the erbo_reorg_04202002 branch is no more...development continues on the

trunk while the stable_branch_04202002 branch takes the 'stable' role

rpcscripts/session.js

@@ -18,6 +18,7 @@
 
 importPackage(java.util);
 importPackage(Packages.com.silverwrist.venice.core);
+importPackage(Packages.com.silverwrist.venice.ui.helpers);
 importPackage(Packages.com.silverwrist.venice.ui.rpc);
 
 rinput = bsf.lookupBean("request");
@@ -32,7 +33,8 @@ if ("destroy"==call_name)
     vlib.output(new XmlRpcFault(XmlRpcFault.INVALID_PARAMS,"parameter count mismatch"));
   else
   { // end the session
-    rinput.endSession();
+    sctl = vlib.querySessionControl(rinput);
+    sctl.endSession();
     vlib.output(vlib.booleanObject(true));
 
   } // end else

scripts/comm/invite.js

@@ -38,7 +38,8 @@ if ("GET"==rinput.verb)
 { // set up the invitation screen parameters
   rinput.setRequestAttribute("invitation.title","Send Community Invitation:");
   rinput.setRequestAttribute("invitation.subtitle",comm.name);
-  rinput.setRequestAttribute("invitation.action",rinput.formatURL("comm/invite.js.vs",LinkTypes.SERVLET));
+  html = vlib.queryHTMLRendering(rinput);
+  rinput.setRequestAttribute("invitation.action",html.formatURL("comm/invite.js.vs",html.SERVLET));
   rinput.setRequestAttribute("invitation.params",
                              "<INPUT TYPE=\"HIDDEN\" NAME=\"cc\" VALUE=\"" + comm.communityID + "\">");
 

scripts/comm/photo.js

@@ -43,7 +43,8 @@ if ("GET"==rinput.verb)
   { // create and initialize the PhotoUploader
     rc = new PhotoUploader("Upload Community Logo","comm/photo.js.vs",LinkTypes.SERVLET);
     rc.addHiddenParameter("cc",comm.communityID);
-    rc.photoTag = rinput.getCommunityLogoTag(comm.getContactInfo().photoURL);
+    html = vlib.queryHTMLRendering(rinput);
+    rc.photoTag = html.getCommunityLogoTag(comm.getContactInfo().photoURL);
     rc.label = "New community logo";
 
   } // end try

scripts/comm/show.js

@@ -68,7 +68,8 @@ try
     rinput.setRequestAttribute("address.country",ce.name);
 
   // Save off the community logo tag.
-  rinput.setRequestAttribute("community.logo",rinput.getCommunityLogoTag(ci.photoURL));
+  html = vlib.queryHTMLRendering(rinput);
+  rinput.setRequestAttribute("community.logo",html.getCommunityLogoTag(ci.photoURL));
 
   // create the view object
   rc = new JSPView("Community Profile: " + comm.name,"comm/profile.jsp");

scripts/conf/invite_conf.js

@@ -41,7 +41,8 @@ if ("GET"==rinput.verb)
 { // set up the invitation screen parameters
   rinput.setRequestAttribute("invitation.title","Send Conference Invitation:");
   rinput.setRequestAttribute("invitation.subtitle",conf.name);
-  rinput.setRequestAttribute("invitation.action",rinput.formatURL("conf/invite_conf.js.vs",LinkTypes.SERVLET));
+  html = vlib.queryHTMLRendering(rinput);
+  rinput.setRequestAttribute("invitation.action",html.formatURL("conf/invite_conf.js.vs",html.SERVLET));
   rinput.setRequestAttribute("invitation.params",
                              "<INPUT TYPE=\"HIDDEN\" NAME=\"cc\" VALUE=\"" + comm.communityID
                              + "\"><INPUT TYPE=\"HIDDEN\" NAME=\"conf\" VALUE=\"" + conf.confID + "\">");

scripts/conf/invite_topic.js

@@ -45,8 +45,8 @@ if ("GET"==rinput.verb)
 { // set up the invitation screen parameters
   rinput.setRequestAttribute("invitation.title","Send Topic Invitation:");
   rinput.setRequestAttribute("invitation.subtitle",topic.name);
-  rinput.setRequestAttribute("invitation.action",
+  html = vlib.queryHTMLRendering(rinput);
-                             rinput.formatURL("conf/invite_topic.js.vs",LinkTypes.SERVLET));
+  rinput.setRequestAttribute("invitation.action",html.formatURL("conf/invite_topic.js.vs",html.SERVLET));
   rinput.setRequestAttribute("invitation.params",
                              "<INPUT TYPE=\"HIDDEN\" NAME=\"cc\" VALUE=\"" + comm.communityID
                              + "\"><INPUT TYPE=\"HIDDEN\" NAME=\"conf\" VALUE=\"" + conf.confID

scripts/conf/posts.js

@@ -92,8 +92,9 @@ try
   rc.topCustom = conf.getCustomBlock(ConferenceContext.CUST_BLOCK_TOP);
   rc.bottomCustom = conf.getCustomBlock(ConferenceContext.CUST_BLOCK_BOTTOM);
   rc.title = topic.name;
+  html = vlib.queryHTMLRendering(rinput);
   rc.subtitle = topic.totalMessages + " Total; " + rc.unread + " New; Last: "
-              + rinput.formatDate(topic.lastUpdateDate);
+              + html.formatDate(topic.lastUpdateDate);
 
   // do a "read new" on this topic
   if (read_new)

scripts/login.js

@@ -93,10 +93,12 @@ else if (op=="login")
 
     logger.debug("User \"" + user.userName + "\" logged in successfully");
 
-    // If the user wants a cookie, give it to them!
     if (dlg.getValue("saveme").booleanValue())
-      rinput.savePersistentCookie(RequestInput.LOGIN_COOKIE,user.getAuthenticationToken(),
+    { // If the user wants a cookie, give it to them!
-                                  RequestInput.LOGIN_COOKIE_AGE);
+      cctl = vlib.queryCookieControl(rinput);
+      cctl.savePersistentCookie(CookieControl.LOGIN_COOKIE,user.getAuthenticationToken(),
+                                CookieControl.LOGIN_COOKIE_AGE);
+    } // end if
 
     // Clear the left menus (to force recomputation) and bounce us back to whereever we were
     // supposed to go.

scripts/logout.js

@@ -30,8 +30,10 @@ user = rinput.user;
 if (user.isLoggedIn())
 { // user is logged in - we want to log out
   // TODO: only remove the login cookie if it was actually set!
-  rinput.deleteCookie(RequestInput.LOGIN_COOKIE);    // remove the login cookie
+  cctl = vlib.queryCookieControl(rinput);
-  rinput.endSession();
+  cctl.deleteCookie(CookieControl.LOGIN_COOKIE);    // remove the login cookie
+  sctl = vlib.querySessionControl(rinput);
+  sctl.endSession();
 
   target = "top.js.vs";  // take 'em back to the top
 

scripts/new_account.js

@@ -37,8 +37,9 @@ if (user.isLoggedIn())
 
 // Return the text of the User Agreement.
 rinput.displayLogin = false;
-rc = new TextMessage(rinput.getStockMessage("user-agreement-title"),
+html = vlib.queryHTMLRendering(rinput);
-                     rinput.getStockMessage("user-agreement-subtitle"));
+rc = new TextMessage(html.getStockMessage("user-agreement-title"),
+                     html.getStockMessage("user-agreement-subtitle"));
 rc.text = rinput.getStockMessage("user-agreement");
 rc.addButton(LinkTypes.SERVLET,"new_account_2.js.vs?tgt=" + vlib.encodeURL(target),"ua_accept");
 rc.addButton(LinkTypes.SERVLET,"top.js.vs","ua_decline");

scripts/new_account_2.js

@@ -97,7 +97,9 @@ if (op=="create")
     // save the contact info for the user (this also sends email confirmation messages as needed)
     uc.putContactInfo(ci);
 
-    rinput.replaceUser(uc);   // this is now the user for this session!
+    // this is now the user for this session!
+    sctl = vlib.querySessionControl(rinput);
+    sctl.replaceUser(uc);
 
     // Now bounce us immediately to the Verification dialog.
     rc = new Redirect("verify_email.js.vs?tgt=" + vlib.encodeURL(target),LinkTypes.SERVLET);

scripts/profile_photo.js

@@ -45,7 +45,8 @@ if ("GET"==rinput.verb)
   { // create and initialize the PhotoUploader
     rc = new PhotoUploader("Upload User Photo","profile_photo.js.vs",LinkTypes.SERVLET);
     rc.addHiddenParameter("tgt",target);
-    rc.photoTag = rinput.getUserPhotoTag(user.getContactInfo().photoURL);
+    html = vlib.queryHTMLRendering(rinput);
+    rc.photoTag = html.getUserPhotoTag(user.getContactInfo().photoURL);
     rc.label = "New user photo";
     rinput.displayLogin = false;
 

scripts/showuser.js

@@ -88,7 +88,8 @@ try
   rinput.setRequestAttribute("address.lastline",buf.toString());
 
   // Save off the user photo tag.
-  rinput.setRequestAttribute("user.photo",rinput.getUserPhotoTag(prof.photoURL));
+  html = vlib.queryHTMLRendering(rinput);
+  rinput.setRequestAttribute("user.photo",html.getUserPhotoTag(prof.photoURL));
 
   // Create a view object and send it out.
   rc = new JSPView("User Profile - " + username,"user_profile.jsp");

scripts/sysadmin/modify_photo.js

@@ -50,7 +50,8 @@ if ("GET"==rinput.verb)
     admuser = adm.getUserContext(uid);
     rc = new PhotoUploader("Upload User Photo","sysadmin/modify_photo.js.vs",LinkTypes.SERVLET);
     rc.addHiddenParameter("uid",uid);
-    rc.photoTag = rinput.getUserPhotoTag(admuser.getContactInfo().photoURL);
+    html = vlib.queryHTMLRendering(rinput);
+    rc.photoTag = html.getUserPhotoTag(admuser.getContactInfo().photoURL);
     rc.label = "New user photo";
 
   } // end try

src/com/silverwrist/venice/except/InternalStateError.java

@@ -20,15 +20,8 @@ package com.silverwrist.venice.except;
 import java.io.PrintStream;
 import java.io.PrintWriter;
 
-public class InternalStateError extends RuntimeException
+public class InternalStateError extends VeniceRuntimeException
 {
-  /*--------------------------------------------------------------------------------
-   * Attributes
-   *--------------------------------------------------------------------------------
-   */
-
-  private Throwable inner = null;           // internal "root cause" exception
-
   /*--------------------------------------------------------------------------------
    * Constructors
    *--------------------------------------------------------------------------------
@@ -61,8 +54,7 @@ public class InternalStateError extends RuntimeException
    */
   public InternalStateError(Throwable inner)
   {
-    super(inner.getMessage());
+    super(inner);
-    this.inner = inner;
 
   } // end constructor
 
@@ -74,78 +66,8 @@ public class InternalStateError extends RuntimeException
    */
   public InternalStateError(String msg, Throwable inner)
   {
-    super(msg);
+    super(msg,inner);
-    this.inner = inner;
 
   } // end constructor
 
-  /*--------------------------------------------------------------------------------
-   * Overrides from class Throwable
-   *--------------------------------------------------------------------------------
-   */
-
-  /**
-   * Prints this exception and its backtrace to the standard error stream.  Also prints the backtrace
-   * of any "wrapped" exception.
-   *
-   * @see java.lang.System#err
-   */
-  public void printStackTrace()
-  {
-    this.printStackTrace(System.err);
-
-  } // end printStackTrace
-
-  /**
-   * Prints this exception and its backtrace to the specified <CODE>PrintStream</CODE>.  Also prints the
-   * backtrace of any "wrapped" exception.
-   *
-   * @param s <CODE>PrintStream</CODE> to use for output.
-   */
-  public void printStackTrace(PrintStream s)
-  {
-    super.printStackTrace(s);
-    if (inner!=null)
-    { // print the inner stack trace
-      s.print("Root cause: ");
-      inner.printStackTrace(s);
-
-    } // end if
-
-  } // end printStackTrace
-
-  /**
-   * Prints this exception and its backtrace to the specified <CODE>PrintWriter</CODE>.  Also prints the
-   * backtrace of any "wrapped" exception.
-   *
-   * @param s <CODE>PrintWriter</CODE> to use for output.
-   */
-  public void printStackTrace(PrintWriter s)
-  {
-    super.printStackTrace(s);
-    if (inner!=null)
-    { // print the inner stack trace
-      s.print("Root cause: ");
-      inner.printStackTrace(s);
-
-    } // end if
-
-  } // end printStackTrace
-
-  /*--------------------------------------------------------------------------------
-   * External operations
-   *--------------------------------------------------------------------------------
-   */
-
-  /**
-   * Returns the exception wrapped by this exception, or <CODE>null</CODE> if there is none.
-   *
-   * @return See above.
-   */
-  public Throwable getException()
-  {
-    return inner;
-
-  } // end getException
-
 } // end class InternalStateError

src/com/silverwrist/venice/except/NoSuchServiceException.java

@@ -0,0 +1,60 @@
+/*
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
+ * 
+ * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
+ * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
+ * language governing rights and limitations under the License.
+ * 
+ * The Original Code is the Venice Web Communities System.
+ * 
+ * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
+ * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
+ * Copyright (C) 2002 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.venice.except;
+
+/**
+ * An exception thrown by objects that implement <CODE>ServiceProvider</CODE> when they
+ * don't implement a service of a specified class and ID.
+ *
+ * @author Eric J. Bowersox &lt;erbo@silcom.com&gt;
+ * @version X
+ * @see com.silverwrist.venice.util.ServiceProvider
+ */
+public class NoSuchServiceException extends VeniceRuntimeException
+{
+  /*--------------------------------------------------------------------------------
+   * Constructors
+   *--------------------------------------------------------------------------------
+   */
+
+  /**
+   * Constructs a new <CODE>NoSuchServiceException</CODE>.
+   *
+   * @param context Context for the generated exception.
+   * @param klass Class of the service that was requested.
+   */
+  public NoSuchServiceException(String context, Class klass)
+  {
+    super(context + ": no service with class " + klass.getName());
+
+  } // end constructor
+
+  /**
+   * Constructs a new <CODE>NoSuchServiceException</CODE>.
+   *
+   * @param context Context for the generated exception.
+   * @param klass Class of the service that was requested.
+   * @param serviceid ID of the service that was requested.
+   */
+  public NoSuchServiceException(String context, Class klass, String serviceid)
+  {
+    super(context + ": no service with class " + klass.getName() + " and ID " + serviceid);
+
+  } // end constructor
+
+} // end class NoSuchServiceException

src/com/silverwrist/venice/except/VeniceException.java

@@ -112,12 +112,7 @@ public class VeniceException extends Exception implements SupplyFaultCode
   public void printStackTrace(PrintStream s)
   {
     super.printStackTrace(s);
-    if (inner!=null)
+    printRootCause(s,inner);
-    { // print the inner stack trace
-      s.print("Root cause: ");
-      inner.printStackTrace(s);
-
-    } // end if
 
   } // end printStackTrace
 
@@ -130,12 +125,7 @@ public class VeniceException extends Exception implements SupplyFaultCode
   public void printStackTrace(PrintWriter s)
   {
     super.printStackTrace(s);
-    if (inner!=null)
+    printRootCause(s,inner);
-    { // print the inner stack trace
-      s.print("Root cause: ");
-      inner.printStackTrace(s);
-
-    } // end if
 
   } // end printStackTrace
 
@@ -150,6 +140,33 @@ public class VeniceException extends Exception implements SupplyFaultCode
 
   } // end getFaultCode
 
+  /*--------------------------------------------------------------------------------
+   * External static operations
+   *--------------------------------------------------------------------------------
+   */
+
+  public static void printRootCause(PrintStream s, Throwable t)
+  {
+    if (t!=null)
+    { // print the inner stack trace
+      s.print("Root cause: ");
+      t.printStackTrace(s);
+
+    } // end if
+
+  } // end printRootCause
+
+  public static void printRootCause(PrintWriter s, Throwable t)
+  {
+    if (t!=null)
+    { // print the inner stack trace
+      s.print("Root cause: ");
+      t.printStackTrace(s);
+
+    } // end if
+
+  } // end printRootCause
+
   /*--------------------------------------------------------------------------------
    * External operations
    *--------------------------------------------------------------------------------

src/com/silverwrist/venice/except/VeniceRuntimeException.java

@@ -0,0 +1,159 @@
+/*
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
+ * 
+ * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
+ * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
+ * language governing rights and limitations under the License.
+ * 
+ * The Original Code is the Venice Web Communities System.
+ * 
+ * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
+ * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
+ * Copyright (C) 2002 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.venice.except;
+
+import java.io.PrintStream;
+import java.io.PrintWriter;
+
+/**
+ * The root exception of all runtime exceptions thrown by the Venice core code.  It is capable of
+ * "wrapping" another exception within it.
+ *
+ * @author Eric J. Bowersox &lt;erbo@silcom.com&gt;
+ * @version X
+ */
+public class VeniceRuntimeException extends RuntimeException implements SupplyFaultCode
+{
+  /*--------------------------------------------------------------------------------
+   * Attributes
+   *--------------------------------------------------------------------------------
+   */
+
+  private Throwable inner = null;           // internal "root cause" exception
+
+  /*--------------------------------------------------------------------------------
+   * Constructors
+   *--------------------------------------------------------------------------------
+   */
+
+  /**
+   * Constructs a new <CODE>VeniceRuntimeException</CODE>.
+   */
+  public VeniceRuntimeException()
+  {
+    super();
+
+  } // end constructor
+
+  /**
+   * Constructs a new <CODE>VeniceRuntimeException</CODE> with a text message.
+   *
+   * @param msg The message to set in this exception.
+   */
+  public VeniceRuntimeException(String msg)
+  {
+    super(msg);
+
+  } // end constructor
+
+  /**
+   * Constructs a new <CODE>VeniceRuntimeException</CODE> wrapping another exception.
+   *
+   * @param inner The exception wrapped by this one.
+   */
+  public VeniceRuntimeException(Throwable inner)
+  {
+    super(inner.getMessage());
+    this.inner = inner;
+
+  } // end constructor
+
+  /**
+   * Constructs a new <CODE>VeniceRuntimeException</CODE> wrapping another exception.
+   *
+   * @param msg The message to set in this exception.
+   * @param inner The exception wrapped by this one.
+   */
+  public VeniceRuntimeException(String msg, Throwable inner)
+  {
+    super(msg);
+    this.inner = inner;
+
+  } // end constructor
+
+  /*--------------------------------------------------------------------------------
+   * Overrides from class Throwable
+   *--------------------------------------------------------------------------------
+   */
+
+  /**
+   * Prints this exception and its backtrace to the standard error stream.  Also prints the backtrace
+   * of any "wrapped" exception.
+   *
+   * @see java.lang.System#err
+   */
+  public void printStackTrace()
+  {
+    this.printStackTrace(System.err);
+
+  } // end printStackTrace
+
+  /**
+   * Prints this exception and its backtrace to the specified <CODE>PrintStream</CODE>.  Also prints the
+   * backtrace of any "wrapped" exception.
+   *
+   * @param s <CODE>PrintStream</CODE> to use for output.
+   */
+  public void printStackTrace(PrintStream s)
+  {
+    super.printStackTrace(s);
+    VeniceException.printRootCause(s,inner);
+
+  } // end printStackTrace
+
+  /**
+   * Prints this exception and its backtrace to the specified <CODE>PrintWriter</CODE>.  Also prints the
+   * backtrace of any "wrapped" exception.
+   *
+   * @param s <CODE>PrintWriter</CODE> to use for output.
+   */
+  public void printStackTrace(PrintWriter s)
+  {
+    super.printStackTrace(s);
+    VeniceException.printRootCause(s,inner);
+
+  } // end printStackTrace
+
+  /*--------------------------------------------------------------------------------
+   * Implementations from interface SupplyFaultCode
+   *--------------------------------------------------------------------------------
+   */
+
+  public int getFaultCode()
+  {
+    return 0;
+
+  } // end getFaultCode
+
+  /*--------------------------------------------------------------------------------
+   * External operations
+   *--------------------------------------------------------------------------------
+   */
+
+  /**
+   * Returns the exception wrapped by this exception, or <CODE>null</CODE> if there is none.
+   *
+   * @return See above.
+   */
+  public Throwable getException()
+  {
+    return inner;
+
+  } // end getException
+
+} // end class VeniceException

src/com/silverwrist/venice/ui/RequestInput.java

@@ -17,10 +17,8 @@
  */
 package com.silverwrist.venice.ui;
 
-import java.awt.Dimension;
 import java.io.InputStream;
 import java.io.IOException;
-import java.util.Date;
 import java.util.Enumeration;
 import java.util.Map;
 import org.w3c.dom.Document;
@@ -33,163 +31,333 @@ import com.silverwrist.venice.ui.dlg.Dialog;
 import com.silverwrist.venice.ui.helpers.ErrorBox;
 import com.silverwrist.venice.ui.menus.MenuComponent;
 import com.silverwrist.venice.ui.script.ScriptManager;
+import com.silverwrist.venice.util.ServiceProvider;
 
-public interface RequestInput extends LinkTypes
+public interface RequestInput extends ServiceProvider
 {
-  public static final String LOGIN_COOKIE = "VeniceAuth";
-  public static final int LOGIN_COOKIE_AGE = 60*60*24*365;  // one year
   public static final String LEFT_MENU_SESSION_ATTR = "LeftMenu";
 
+  /**
+   * Returns a <CODE>String</CODE> containing the real path for a given virtual path. For example,
+   * the virtual path &quot;/index.html&quot; has a real path of whatever file on the server's filesystem
+   * would be served by a request for &quot;/index.html&quot;.<P>
+   * This method returns <CODE>null</CODE> if the virtual path cannot be translated to a real path for
+   * any reason.
+   *
+   * @param s A <CODE>String</CODE> specifying a virtual path.
+   * @return A <CODE>String</CODE> specifying the real path, or <CODE>null</CODE> if the translation cannot
+   *         be performed.
+   */
   public abstract String mapPath(String s);
 
+  /**
+   * Returns the portion of the request URI that indicates the context of the request, i.e. the servlet
+   * context under which Venice is installed. The context path always comes first in a request URI. The
+   * path starts with a &quot;/&quot; character but does not end with a &quot;/&quot; character.
+   *
+   * @return A <CODE>String</CODE> specifying the portion of the request URI that indicates the context
+   * of the request.
+   */
   public abstract String getContextPath();
 
+  /**
+   * Returns the part of this request's URI that calls the servlet. This includes either the servlet name
+   * or a path to the servlet, but does not include any extra path information or a query string.
+   *
+   * @return A <CODE>String</CODE> containing the name or path of the servlet being called, as specified
+   *         in the request URI.
+   */
   public abstract String getServletPath();
 
+  /**
+   * Returns any extra path information associated with the URI the client sent when it made this request.
+   * The extra path information follows the servlet path but precedes the query string. This method
+   * returns <CODE>null</CODE> if there was no extra path information.  In Venice, the path information is
+   * used to specify parameters in certain servlets.
+   *
+   * @return A <CODE>String</CODE> specifying extra path information that comes after the servlet path
+   *         but before the query string in the request URI; or <CODE>null</CODE> if the URI does not
+   *         have any extra path information.
+   */
   public abstract String getPathInfo();
 
+  /**
+   * Returns the query string that is contained in the request URI after the path. This method returns
+   * <CODE>null</CODE> if the URI does not have a query string.
+   *
+   * @return A <CODE>String</CODE> containing the query string or <CODE>null</CODE> if the URI contains
+   *         no query string.
+   */
   public abstract String getQueryString();
 
+  /**
+   * Returns the name of the HTTP method with which this request was made, for example, GET, POST, or PUT.
+   *
+   * @return A <CODE>String</CODE> specifying the name of the method with which this request was made.
+   */
   public abstract String getVerb();
 
+  /**
+   * Returns the Internet Protocol (IP) address of the client that sent the request.
+   *
+   * @return A <CODE>String</CODE> containing the IP address of the client that sent the request.
+   */
   public abstract String getSourceAddress();
 
-  public abstract void endSession();
+  /**
-
+   * Returns <CODE>true</CODE> if the request parameter with the specified name is defined,
+   * <CODE>false</CODE> if not.  For standard Venice requests, parameters are contained in the
+   * query string or posted form data.
+   *
+   * @param name Parameter name to be checked.
+   * @return See above.
+   */
   public abstract boolean hasParameter(String name);
 
+  /**
+   * Returns the value of a request parameter as a <CODE>String</CODE>, or <CODE>null</CODE> if the
+   * parameter does not exist. For standard Venice requests, parameters are contained in the query
+   * string or posted form data.<P>
+   * You should only use this method when you are sure the parameter has only one value. If the parameter
+   * might have more than one value, use {@link #getParameterValues(java.lang.String)}.<P>
+   * If you use this method with a multivalued parameter, the value returned is equal to the first value
+   * in the array returned by <CODE>getParameterValues</CODE>.
+   *
+   * @param name A <CODE>String</CODE> specifying the name of the parameter.
+   * @return A <CODE>String</CODE> representing the single value of the parameter.
+   * @see #getParameterValues(java.lang.String)
+   */
   public abstract String getParameter(String name);
 
+  /**
+   * Returns the value of a request parameter as a <CODE>int</CODE>, or a specified default value if
+   * the parameter does not exist. For standard Venice requests, parameters are contained in the query
+   * string or posted form data.<P>
+   * If you use this method with a multivalued parameter, the value returned is equal to the
+   * <CODE>int</CODE> equivalent of the first value in the array returned by <CODE>getParameterValues</CODE>.
+   *
+   * @param name A <CODE>String</CODE> specifying the name of the parameter.
+   * @param default_value The default value to use for the parameter if the specified parameter does not exist.
+   * @return An <CODE>int</CODE> representing the single value of the parameter.
+   */
   public abstract int getParameterInt(String name, int default_value);
 
+  /**
+   * Returns the value of a request parameter as a <CODE>short</CODE>, or a specified default value if
+   * the parameter does not exist. For standard Venice requests, parameters are contained in the query
+   * string or posted form data.<P>
+   * If you use this method with a multivalued parameter, the value returned is equal to the
+   * <CODE>short</CODE> equivalent of the first value in the array returned by <CODE>getParameterValues</CODE>.
+   *
+   * @param name A <CODE>String</CODE> specifying the name of the parameter.
+   * @param default_value The default value to use for the parameter if the specified parameter does not exist.
+   * @return A <CODE>short</CODE> representing the single value of the parameter.
+   */
   public abstract short getParameterShort(String name, short default_value);
 
+  /**
+   * Returns the value of a request parameter as a <CODE>long</CODE>, or a specified default value if
+   * the parameter does not exist. For standard Venice requests, parameters are contained in the query
+   * string or posted form data.<P>
+   * If you use this method with a multivalued parameter, the value returned is equal to the
+   * <CODE>long</CODE> equivalent of the first value in the array returned by <CODE>getParameterValues</CODE>.
+   *
+   * @param name A <CODE>String</CODE> specifying the name of the parameter.
+   * @param default_value The default value to use for the parameter if the specified parameter does not exist.
+   * @return A <CODE>long</CODE> representing the single value of the parameter.
+   */
   public abstract long getParameterLong(String name, long default_value);
 
+  /**
+   * Returns an <CODE>Enumeration</CODE> of <CODE>String</CODE> objects containing the names of the
+   * parameters contained in this request. If the request has no parameters, the method returns an empty
+   * <CODE>Enumeration.</CODE>
+   *
+   * @return An <CODE>Enumeration</CODE> of <CODE>String</CODE> objects, each <CODE>String</CODE>
+   *         containing the name of a request parameter, or an empty <CODE>Enumeration</CODE> if the
+   *         request has no parameters.
+   */
   public abstract Enumeration getParameterNames();
 
+  /**
+   * Returns an array of <CODE>String</CODE> objects containing all of the values the given request
+   * parameter has, or <CODE>null</CODE> if the parameter does not exist.<P>
+   * If the parameter has a single value, the array has a length of 1.
+   *
+   * @param name A <CODE>String</CODE> containing the name of the parameter whose value is requested.
+   * @return An array of <CODE>String</CODE> objects containing the parameter's values.
+   * @see #getParameter(java.lang.String)
+   */
   public abstract String[] getParameterValues(String name);
 
+  /**
+   * Returns <CODE>true</CODE> if the specified parameter is a file parameter, <CODE>false</CODE> if
+   * not.  If the parameter does not exist, the return value is <CODE>false</CODE>.
+   *
+   * @param name A <CODE>String</CODE> containing the name of the parameter to test.
+   * @return See above.
+   */
   public abstract boolean isFileParam(String name);
 
+  /**
+   * Returns the MIME type of the specified parameter.  If the type cannot be determined, the return
+   * value is <CODE>null</CODE>.<P>
+   * N.B.: For non-file parameters, or all parameters to a request that is not a file upload, the MIME
+   * type is &quot;text/plain&quot;.
+   *
+   * @param name A <CODE>String</CODE> containing the name of the parameter to test.
+   * @return See above.
+   */
   public abstract String getParameterType(String name);
 
+  /**
+   * Returns the size in bytes of the specified parameter.  If the size cannot be determined, the return
+   * value is -1.<P>
+   * N.B.: For non-file parameters, or all parameters to a request that is not a file upload, the size
+   * is the number of bytes occupied by the parameter, expressed in UTF-8 encoding.
+   *
+   * @param name A <CODE>String</CODE> containing the name of the parameter to test.
+   * @return See above.
+   */
   public abstract int getParameterSize(String name);
 
+  /**
+   * Returns an <CODE>InputStream</CODE> reading from the data of the named file parameter.  If the
+   * named parameter does not exist or is not a file parameter, returns <CODE>null;
+   *
+   * @param name A <CODE>String</CODE> containing the name of the parameter whose value is requested.
+   * @return See above.
+   * @exception com.silverwrist.util.ServletMultipartException If there is a problem retrieving
+   *            the parameter data stream.
+   */
   public abstract InputStream getParameterDataStream(String name) throws ServletMultipartException;
 
-  public abstract Document getRequestDocument();
+  /**
-
+   * Returns <CODE>true</CODE> if the parameter set reflects the clicking of an image button with a
-  public abstract boolean sessionBound();
+   * specified name, <CODE>false</CODE> if not.
-
+   *
+   * @param name A <CODE>String</CODE> containing the name of the image button to test.
+   * @return See above.
+   */
   public abstract boolean isImageButtonClicked(String name);
 
+  /**
+   * Returns the application-level attribute with the given name, or <CODE>null</CODE> if there is no
+   * attribute by that name.
+   *
+   * @param name A <CODE>String</CODE> specifying the name of the attribute.
+   * @return An <CODE>Object</CODE> containing the value of the attribute, or <CODE>null</CODE> if no
+   *         attribute exists matching the given name.
+   */
   public abstract Object getAppAttribute(String name);
 
+  /**
+   * Sets the application-level attribute with the given name.
+   *
+   * @param name A <CODE>String</CODE> specifying the name of the attribute.
+   * @param o The object to be bound as the value of that attribute, or <CODE>null</CODE> if the binding
+   *          is to be removed.
+   */
   public abstract void setAppAttribute(String name, Object o);
 
+  /**
+   * Returns the session-level attribute with the given name, or <CODE>null</CODE> if there is no
+   * attribute by that name.
+   *
+   * @param name A <CODE>String</CODE> specifying the name of the attribute.
+   * @return An <CODE>Object</CODE> containing the value of the attribute, or <CODE>null</CODE> if no
+   *         attribute exists matching the given name.
+   */
   public abstract Object getSessionAttribute(String name);
 
+  /**
+   * Sets the session-level attribute with the given name.
+   *
+   * @param name A <CODE>String</CODE> specifying the name of the attribute.
+   * @param o The object to be bound as the value of that attribute, or <CODE>null</CODE> if the binding
+   *          is to be removed.
+   */
   public abstract void setSessionAttribute(String name, Object o);
 
+  /**
+   * Returns the request-level attribute with the given name, or <CODE>null</CODE> if there is no
+   * attribute by that name.
+   *
+   * @param name A <CODE>String</CODE> specifying the name of the attribute.
+   * @return An <CODE>Object</CODE> containing the value of the attribute, or <CODE>null</CODE> if no
+   *         attribute exists matching the given name.
+   */
   public abstract Object getRequestAttribute(String name);
 
+  /**
+   * Sets the request-level attribute with the given name.
+   *
+   * @param name A <CODE>String</CODE> specifying the name of the attribute.
+   * @param o The object to be bound as the value of that attribute, or <CODE>null</CODE> if the binding
+   *          is to be removed.
+   */
   public abstract void setRequestAttribute(String name, Object o);
 
-  public abstract void savePersistentCookie(String name, String value, int max_age);
+  /**
-
+   * Returns the instance of the Venice engine associated with the application.
-  public abstract void saveTemporaryCookie(String name, String value);
+   *
-
+   * @return See above.
-  public abstract void deleteCookie(String name);
+   */
-
   public abstract VeniceEngine getEngine();
 
+  /**
+   * Returns the instance of the Venice user object associated with the session.
+   *
+   * @return See above.
+   */
   public abstract UserContext getUser();
 
-  public abstract void replaceUser(UserContext new_user);
+  /**
-
+   * Returns the current servlet location.  This is used, for instance, as the context to return to
-  public abstract ScriptManager getScriptManager();
+   * after a login.
-
+   *
-  public abstract String getStyleSheetData() throws IOException;
+   * @return The current servlet location.
-
+   */
-  public abstract String getColor(int selector);
-
-  public abstract String getColor(String name);
-
-  public abstract boolean useHTMLComments();
-
-  public abstract String formatURL(String url, int type);
-
-  public abstract String formatDate(Date date);
-
-  public abstract String getFontTag(int colorsel, int size);
-
-  public abstract String getFontTag(String color, int size);
-
-  public abstract String getFontTag(int colorsel, String size);
-
-  public abstract String getFontTag(String color, String size);
-
-  public abstract int convertLinkType(String str);
-
   public abstract String getLocation();
 
+  /**
+   * Sets the &quot;current&quot; servlet location that is displayed.  This is used, for instance,
+   * as the context to return to after a login.
+   *
+   * @param str The new location to be set.
+   */
   public abstract void setLocation(String str);
 
+  /**
+   * Returns <CODE>true</CODE> if the &quot;Log In&quot; link is to be displayed on the outer frame,
+   * <CODE>false</CODE> if not.
+   *
+   * @return See above.
+   */
   public abstract boolean getDisplayLogin();
 
+  /**
+   * Sets whether or not the &quot;Log In&quot; link is to be displayed on the outer frame.
+   *
+   * @param val <CODE>true</CODE> to display the &quot;Log In&quot; link on the outer frame,
+   *            <CODE>false</CODE> to omit it.
+   */
   public abstract void setDisplayLogin(boolean val);
 
-  public abstract String getStockMessage(String key);
-
-  public abstract String getStockMessage(String key, Map vars);
-
-  public abstract String getStaticPath(String s);
-
-  public abstract String getExternalStaticPath(String s);
-
-  public abstract String getImagePath(String s);
-
   public abstract MenuComponent getMenu(String name);
 
   public abstract MenuComponent getMenu(String name, Map vars);
 
-  public abstract String getScriptName(String raw_name);
-
-  public abstract String getScriptName(boolean strip_ext);
-
-  public abstract String getScriptLoggerName(String raw_name);
-
-  public abstract String getScriptLoggerName();
-
-  public abstract String getRPCScriptName(String raw_name);
-
-  public abstract String getRPCScriptLoggerName(String raw_name);
-
   public abstract Dialog getDialog(String name);
 
   public abstract Content[] getSideBoxes() throws AccessError, DataException;
 
-  public abstract String getUserPhotoTag(String url);
-
-  public abstract String getUserPhotoTag(String url, Dimension size);
-
   public abstract CommunityContext getCommunity();
 
   public abstract CommunityContext getCommunity(boolean required, String on_error) throws ErrorBox;
 
-  public abstract String getActivityString(Date date);
-
   public abstract String getDefaultServletAddress(CommunityContext comm);
 
-  public abstract String getCommunityLogoTag(String url);
-
-  public abstract String expandServletPath(String spath);
-
   public abstract void registerCleanup(AutoCleanup ac);
 
-  public abstract void pushSession(VeniceUISession sess);
-
-  public abstract void popSession();
-
 } // end interface RequestInput

src/com/silverwrist/venice/ui/RequestOutput.java

@@ -11,20 +11,18 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
 package com.silverwrist.venice.ui;
 
-import java.awt.Dimension;
 import java.io.IOException;
 import java.io.Writer;
-import java.util.Date;
-import java.util.Map;
 import javax.servlet.ServletException;
+import com.silverwrist.venice.util.ServiceProvider;
 
-public interface RequestOutput extends LinkTypes
+public interface RequestOutput extends ServiceProvider, LinkTypes
 {
   public abstract Writer getWriter() throws IOException;
 
@@ -54,42 +52,4 @@ public interface RequestOutput extends LinkTypes
 
   public abstract void writeContentHeader(String primary, String secondary) throws IOException;
 
-  public abstract String formatURL(String url, int type);
-
-  public abstract String formatDate(Date date);
-
-  public abstract String getColor(int selector);
-
-  public abstract String getColor(String name);
-
-  public abstract String getFontTag(int colorsel, int size);
-
-  public abstract String getFontTag(String color, int size);
-
-  public abstract String getFontTag(int colorsel, String size);
-
-  public abstract String getFontTag(String color, String size);
-
-  public abstract String getStockMessage(String key);
-
-  public abstract String getStockMessage(String key, Map vars);
-
-  public abstract String getStaticPath(String s);
-
-  public abstract String getExternalStaticPath(String s);
-
-  public abstract String getImagePath(String s);
-
-  public abstract String getButtonVisual(String id);
-
-  public abstract String getButtonInput(String id);
-
-  public abstract String getUserPhotoTag(String url);
-
-  public abstract String getUserPhotoTag(String url, Dimension size);
-
-  public abstract String getActivityString(Date date);
-
-  public abstract String getCommunityLogoTag(String url);
-
 } // end interface RequestOutput

src/com/silverwrist/venice/ui/conf/jsp/PostBoxTag.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -22,8 +22,9 @@ import java.util.*;
 import javax.servlet.jsp.*;
 import javax.servlet.jsp.tagext.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 
-public class PostBoxTag extends VeniceConfBodyTagSupport implements ColorSelectors
+public class PostBoxTag extends VeniceConfBodyTagSupport
 {
   /*--------------------------------------------------------------------------------
    * Attributes
@@ -53,7 +54,8 @@ public class PostBoxTag extends VeniceConfBodyTagSupport implements ColorSelecto
   {
     if (action==null)
       throw new JspTagException("<post:box/> action= attribute not specified!");
-    real_type = getRequestInput().convertLinkType(type);
+    HTMLRendering html = (HTMLRendering)(getRequestInput().queryService(HTMLRendering.class));
+    real_type = html.convertLinkType(type);
     if (real_type<0)
       throw new JspTagException("<post:box/> type= attribute not a valid link type");
     return EVAL_BODY_TAG;
@@ -76,11 +78,13 @@ public class PostBoxTag extends VeniceConfBodyTagSupport implements ColorSelecto
       throw new JspTagException("<post:box/> tag has no <post:text/> tag inside it!");
     if (buttons.isEmpty())
       throw new JspTagException("<post:box/> tag has no <post:button/> tags inside it!");
-    RequestOutput ro = getRequestOutput();
+
+    HTMLRendering html = (HTMLRendering)(getRequestOutput().queryService(HTMLRendering.class));
+
     try
     { // write out what we came here to accomplish
       JspWriter out = pageContext.getOut();
-      out.write("<FORM METHOD=\"POST\" ACTION=\"" + ro.formatURL(action,real_type)
+      out.write("<FORM METHOD=\"POST\" ACTION=\"" + html.formatURL(action,real_type)
 		+ "\"><DIV CLASS=\"content\">\n");
       Iterator it = params.entrySet().iterator();
       while (it.hasNext())
@@ -91,7 +95,7 @@ public class PostBoxTag extends VeniceConfBodyTagSupport implements ColorSelecto
 
       } // end while
 
-      String my_font = ro.getFontTag(CONTENT_FOREGROUND,"content");
+      String my_font = html.getFontTag(html.CONTENT_FOREGROUND,"content");
       out.write("<TABLE BORDER=0 CELLPADDING=0>\n");
       if (newtopic_name!=null)
       { // write the "new topic name" field
@@ -117,7 +121,7 @@ public class PostBoxTag extends VeniceConfBodyTagSupport implements ColorSelecto
 	out.write(" CHECKED");
       out.write("> Attach a file</FONT>\n</TD></TR>\n<TR>\n<TD ALIGN=LEFT CLASS=\"content\">\n"
 		+ my_font + "Message:</FONT>\n</TD>\n<TD ALIGN=RIGHT CLASS=\"content\">" + my_font
-		+ "\n<A HREF=\"" + ro.getExternalStaticPath("html-reference.html")
+		+ "\n<A HREF=\"" + html.getExternalStaticPath("html-reference.html")
 		+ "\" TARGET=\"_blank\">HTML Guide</A>\n</FONT></TD>\n</TR>\n<TR>"
 		+ "<TD ALIGN=LEFT COLSPAN=2 CLASS=\"cinput\">\n<TEXTAREA NAME=\"" + text_name
 		+ "\" WRAP=SOFT ROWS=7 COLS=51>");
@@ -133,7 +137,7 @@ public class PostBoxTag extends VeniceConfBodyTagSupport implements ColorSelecto
 	  first = false;
 	else
 	  out.write("&nbsp;");
-	out.write(ro.getButtonInput(id) + "\n");
+	out.write(html.getButtonInput(id) + "\n");
 
       } // end while
 

src/com/silverwrist/venice/ui/conf/jsp/PostRewriteTag.java

@@ -23,9 +23,10 @@ import javax.servlet.jsp.tagext.*;
 import com.silverwrist.venice.db.PostLinkRewriter;
 import com.silverwrist.venice.db.UserNameRewriter;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 import com.silverwrist.venice.util.IDUtils;
 
-public class PostRewriteTag extends VeniceConfBodyTagSupport implements LinkTypes
+public class PostRewriteTag extends VeniceConfBodyTagSupport
 {
   /*--------------------------------------------------------------------------------
    * Internal operations
@@ -66,7 +67,7 @@ public class PostRewriteTag extends VeniceConfBodyTagSupport implements LinkType
     } // end if
 
     StringBuffer buf = new StringBuffer();
-    RequestInput ri = getRequestInput();
+    HTMLRendering html = (HTMLRendering)(getRequestInput().queryService(HTMLRendering.class));
     String t;
     int p;
 
@@ -87,7 +88,7 @@ public class PostRewriteTag extends VeniceConfBodyTagSupport implements LinkType
 
 	if (p>0)
 	{ // append the post link to the "go" servlet path, and encode the lot
-	  buf.append(ri.formatURL("go/" + t.substring(0,p),SERVLET));
+	  buf.append(html.formatURL("go/" + t.substring(0,p),html.SERVLET));
 	  t = t.substring(p);
 
 	} // end if
@@ -130,7 +131,7 @@ public class PostRewriteTag extends VeniceConfBodyTagSupport implements LinkType
       
       if (p>0)
       { // append the post link to the "user" servlet path, and encode the lot
-	buf.append(ri.formatURL("user/" + t.substring(0,p),SERVLET));
+	buf.append(html.formatURL("user/" + t.substring(0,p),html.SERVLET));
 	t = t.substring(p);
 
       } // end if

src/com/silverwrist/venice/ui/conf/view/FindPostView.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -25,6 +25,7 @@ import com.silverwrist.venice.core.*;
 import com.silverwrist.venice.except.*;
 import com.silverwrist.venice.ui.*;
 import com.silverwrist.venice.ui.conf.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 import com.silverwrist.venice.ui.servlet.RequestImpl;
 
 public class FindPostView implements ContentJSP
@@ -35,6 +36,7 @@ public class FindPostView implements ContentJSP
    */
 
   private RequestInput rinput = null;
+  private HTMLRendering html = null;
   private CommunityContext comm;
   private ConferenceContext conf;
   private TopicContext topic;
@@ -100,12 +102,14 @@ public class FindPostView implements ContentJSP
   public void initialize(RequestInput req)
   {
     rinput = req;
+    html = (HTMLRendering)(req.queryService(HTMLRendering.class));
 
   } // end initialize
 
   public void terminate(RequestInput req)
   {
     rinput = null;
+    html = null;
 
   } // end terminate
 
@@ -194,7 +198,7 @@ public class FindPostView implements ContentJSP
 
   public final String formatDate(Date date)
   {
-    return ((rinput==null) ? null : rinput.formatDate(date));
+    return ((html==null) ? null : html.formatDate(date));
 
   } // end formatDate
 

src/com/silverwrist/venice/ui/conf/view/PostsView.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -26,6 +26,7 @@ import com.silverwrist.venice.core.*;
 import com.silverwrist.venice.except.*;
 import com.silverwrist.venice.ui.*;
 import com.silverwrist.venice.ui.conf.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 import com.silverwrist.venice.ui.servlet.RequestImpl;
 
 public class PostsView implements ContentJSP
@@ -52,6 +53,7 @@ public class PostsView implements ContentJSP
   private boolean show_advanced = false;
   private boolean no_bozos = false;
   private RequestInput rinput = null;
+  private HTMLRendering html = null;
   private List messages = Collections.EMPTY_LIST;
   private TopicVisitOrder tvo = null;
   private String topic_stem = "";
@@ -121,12 +123,14 @@ public class PostsView implements ContentJSP
   public void initialize(RequestInput req)
   {
     rinput = req;
+    html = (HTMLRendering)(req.queryService(HTMLRendering.class));
 
   } // end initialize
 
   public void terminate(RequestInput req)
   {
     rinput = null;
+    html = null;
 
   } // end terminate
 
@@ -428,13 +432,14 @@ public class PostsView implements ContentJSP
   {
     if ((photo_dims==null) || (photo_map==null))
       return "";  // user photos not enabled
-    return ro.getUserPhotoTag((String)(photo_map.get(new Integer(uid))),photo_dims);
+    HTMLRendering html = (HTMLRendering)(ro.queryService(HTMLRendering.class));
+    return html.getUserPhotoTag((String)(photo_map.get(new Integer(uid))),photo_dims);
 
   } // end getUserPhotoTag
 
   public final String formatDate(Date date)
   {
-    return ((rinput==null) ? null : rinput.formatDate(date));
+    return ((html==null) ? null : html.formatDate(date));
 
   } // end formatDate
 

src/com/silverwrist/venice/ui/dlg/BaseDialogField.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -22,9 +22,10 @@ import org.w3c.dom.*;
 import com.silverwrist.util.*;
 import com.silverwrist.venice.except.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 import com.silverwrist.venice.util.XMLLoader;
 
-public abstract class BaseDialogField implements DialogField, ColorSelectors
+public abstract class BaseDialogField implements DialogField
 {
   /*--------------------------------------------------------------------------------
    * Attributes
@@ -94,7 +95,9 @@ public abstract class BaseDialogField implements DialogField, ColorSelectors
 
   private final void renderCaption(RequestOutput out) throws IOException
   {
-    out.write(out.getFontTag(enabled ? CONTENT_FOREGROUND : CONTENT_DISABLED,"content")
+    HTMLRendering html = (HTMLRendering)(out.queryService(HTMLRendering.class));
+
+    out.write(html.getFontTag(enabled ? html.CONTENT_FOREGROUND : html.CONTENT_DISABLED,"content")
 	      + StringUtil.encodeHTML(caption));
     if (!(StringUtil.isStringEmpty(caption2)))
       out.write(" " + StringUtil.encodeHTML(caption2));
@@ -102,7 +105,7 @@ public abstract class BaseDialogField implements DialogField, ColorSelectors
       out.write(":");
     out.write("</FONT>");
     if (required)
-      out.write(out.getFontTag("red","content") + "*</FONT>");
+      out.write(html.getFontTag("red","content") + "*</FONT>");
 
   } // end renderCaption
 

src/com/silverwrist/venice/ui/dlg/CategoryHeader.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -22,6 +22,7 @@ import org.w3c.dom.*;
 import com.silverwrist.util.*;
 import com.silverwrist.venice.except.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 import com.silverwrist.venice.util.XMLLoader;
 
 public class CategoryHeader implements DialogField, ColorSelectors
@@ -88,7 +89,8 @@ public class CategoryHeader implements DialogField, ColorSelectors
 
   public void render(RequestOutput out) throws IOException
   {
-    String open_font = out.getFontTag(enabled ? CONTENT_FOREGROUND : CONTENT_DISABLED,"content");
+    HTMLRendering html = (HTMLRendering)(out.queryService(HTMLRendering.class));
+    String open_font = html.getFontTag(enabled ? html.CONTENT_FOREGROUND : html.CONTENT_DISABLED,"content");
     out.write("<TR VALIGN=MIDDLE><TD ALIGN=RIGHT CLASS=\"content\">" + open_font + "<B>"
 	      + StringUtil.encodeHTML(caption) + ":</B></FONT></TD><TD ALIGN=LEFT CLASS=\"content\">");
     if (rtext==null)

src/com/silverwrist/venice/ui/dlg/CommunityLogoField.java

@@ -21,6 +21,7 @@ import java.io.IOException;
 import org.w3c.dom.*;
 import com.silverwrist.venice.except.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 import com.silverwrist.venice.util.XMLLoader;
 
 public class CommunityLogoField extends BaseDialogField implements LinkTypes
@@ -86,9 +87,11 @@ public class CommunityLogoField extends BaseDialogField implements LinkTypes
 
   protected void renderField(RequestOutput out) throws IOException
   {
+    HTMLRendering html = (HTMLRendering)(out.queryService(HTMLRendering.class));
+
     if (isEnabled())
-      out.write("<A HREF=\"" + out.formatURL(link_url,link_type) + "\">");
+      out.write("<A HREF=\"" + html.formatURL(link_url,link_type) + "\">");
-    out.write(out.getCommunityLogoTag(getStringValue()));
+    out.write(html.getCommunityLogoTag(getStringValue()));
     if (isEnabled())
       out.write("</A>");
 

src/com/silverwrist/venice/ui/dlg/Dialog.java

@@ -24,9 +24,10 @@ import com.silverwrist.util.*;
 import com.silverwrist.venice.except.*;
 import com.silverwrist.venice.ui.*;
 import com.silverwrist.venice.ui.config.RootConfig;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 import com.silverwrist.venice.util.XMLLoader;
 
-public class Dialog implements Cloneable, ContentDirect, ColorSelectors, LinkTypes
+public class Dialog implements Cloneable, ContentDirect
 {
   /*--------------------------------------------------------------------------------
    * Attributes
@@ -40,7 +41,7 @@ public class Dialog implements Cloneable, ContentDirect, ColorSelectors, LinkTyp
   private String formname;                // name of the built-in form
   private boolean file_form = false;      // is this a file form?
   private String action;                  // action URL
-  private int action_type = SERVLET;      // action URL type
+  private int action_type = LinkTypes.SERVLET;   // action URL type
   private String error_message = null;    // error message
   private String instructions = null;     // instructions
   private Map command_buttons;            // the command buttons
@@ -354,19 +355,21 @@ public class Dialog implements Cloneable, ContentDirect, ColorSelectors, LinkTyp
 
   public void render(RequestOutput out) throws IOException
   {
+    HTMLRendering html = (HTMLRendering)(out.queryService(HTMLRendering.class));
+
     out.writeContentHeader(title,subtitle);
 
     // write the error message
     if (error_message!=null)
-      out.write("<DIV ALIGN=\"center\" CLASS=\"content\">\n" + out.getFontTag(CONTENT_ERROR,"dlg-error")
+      out.write("<DIV ALIGN=\"center\" CLASS=\"content\">\n" + html.getFontTag(html.CONTENT_ERROR,"dlg-error")
 		+ "<B>" + StringUtil.encodeHTML(error_message) + "</B></FONT>\n</DIV><P>\n");
 
     // Output the start of the form.
     out.write("<FORM NAME=\"" + formname + "\"");
     if (file_form)
       out.write(" ENCTYPE=\"multipart/form-data\"");
-    out.write(" METHOD=POST ACTION=\"" + out.formatURL(action,action_type) + "\"><DIV CLASS=\"content\">"
+    out.write(" METHOD=POST ACTION=\"" + html.formatURL(action,action_type) + "\"><DIV CLASS=\"content\">"
-	      + out.getFontTag(CONTENT_FOREGROUND,"content") + "\n");
+	      + html.getFontTag(html.CONTENT_FOREGROUND,"content") + "\n");
 
     // Render the hidden fields.
     Iterator it = form_order.iterator();
@@ -384,7 +387,7 @@ public class Dialog implements Cloneable, ContentDirect, ColorSelectors, LinkTyp
     { // write out the "required" instructions
       if (instructions!=null)
 	out.write("<P>");
-      out.write("Required fields are marked with a " + out.getFontTag("red","content") + "*</FONT>.<BR>\n");
+      out.write("Required fields are marked with a " + html.getFontTag("red","content") + "*</FONT>.<BR>\n");
 
     } // end if
     else if (instructions!=null)
@@ -475,7 +478,7 @@ public class Dialog implements Cloneable, ContentDirect, ColorSelectors, LinkTyp
 
   public final void setAction(String action)
   {
-    this.setAction(action,SERVLET);
+    this.setAction(action,LinkTypes.SERVLET);
 
   } // end setAction
 

src/com/silverwrist/venice/ui/dlg/ImageButton.java

@@ -22,6 +22,7 @@ import org.w3c.dom.*;
 import com.silverwrist.util.*;
 import com.silverwrist.venice.except.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 import com.silverwrist.venice.util.XMLLoader;
 
 public class ImageButton implements DialogCommandButton
@@ -65,7 +66,8 @@ public class ImageButton implements DialogCommandButton
 
   public void render(RequestOutput out) throws IOException
   {
-    out.write(out.getButtonInput(buttonid));
+    HTMLRendering html = (HTMLRendering)(out.queryService(HTMLRendering.class));
+    out.write(html.getButtonInput(buttonid));
 
   } // end render
 

src/com/silverwrist/venice/ui/dlg/UserPhotoField.java

@@ -21,6 +21,7 @@ import java.io.IOException;
 import org.w3c.dom.*;
 import com.silverwrist.venice.except.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 import com.silverwrist.venice.util.XMLLoader;
 
 public class UserPhotoField extends BaseDialogField implements LinkTypes
@@ -86,9 +87,11 @@ public class UserPhotoField extends BaseDialogField implements LinkTypes
 
   protected void renderField(RequestOutput out) throws IOException
   {
+    HTMLRendering html = (HTMLRendering)(out.queryService(HTMLRendering.class));
+
     if (isEnabled())
-      out.write("<A HREF=\"" + out.formatURL(link_url,link_type) + "\">");
+      out.write("<A HREF=\"" + html.formatURL(link_url,link_type) + "\">");
-    out.write(out.getUserPhotoTag(getStringValue()));
+    out.write(html.getUserPhotoTag(getStringValue()));
     if (isEnabled())
       out.write("</A>");
 

src/com/silverwrist/venice/ui/helpers/ConfirmBox.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -22,7 +22,7 @@ import java.io.IOException;
 import com.silverwrist.util.StringUtil;
 import com.silverwrist.venice.ui.*;
 
-public class ConfirmBox implements ContentDirect, ColorSelectors, LinkTypes
+public class ConfirmBox implements ContentDirect
 {
   /*--------------------------------------------------------------------------------
    * Static data members
@@ -123,14 +123,15 @@ public class ConfirmBox implements ContentDirect, ColorSelectors, LinkTypes
 
   public void render(RequestOutput out) throws IOException
   {
+    HTMLRendering html = (HTMLRendering)(out.queryService(HTMLRendering.class));
     out.write("<P><TABLE ALIGN=CENTER WIDTH=\"70%\" BORDER=1 CELLPADDING=2 CELLSPACING=1><TR VALIGN=MIDDLE>"
-              + "<TD ALIGN=CENTER BGCOLOR=\"" + out.getColor(CONFIRM_TITLE_BACKGROUND) + "\">\n"
+              + "<TD ALIGN=CENTER BGCOLOR=\"" + html.getColor(html.CONFIRM_TITLE_BACKGROUND) + "\">\n"
-	      + out.getFontTag(CONFIRM_TITLE_FOREGROUND,"confirmbox") + StringUtil.encodeHTML(title)
+	      + html.getFontTag(html.CONFIRM_TITLE_FOREGROUND,"confirmbox") + StringUtil.encodeHTML(title)
 	      + "</FONT>\n</TD></TR><TR VALIGN=MIDDLE><TD ALIGN=CENTER>\n"
-	      + out.getFontTag(CONTENT_FOREGROUND,"confirmbox") + "<P>" + StringUtil.encodeHTML(message)
+	      + html.getFontTag(html.CONTENT_FOREGROUND,"confirmbox") + "<P>" + StringUtil.encodeHTML(message)
-	      + "<P>\n<A HREF=\"" + out.formatURL(confirm_url,confirm_url_type) + "\">"
+	      + "<P>\n<A HREF=\"" + html.formatURL(confirm_url,confirm_url_type) + "\">"
-	      + out.getButtonVisual("yes") + "</A>&nbsp;&nbsp;\n<A HREF=\""
+	      + html.getButtonVisual("yes") + "</A>&nbsp;&nbsp;\n<A HREF=\""
-	      + out.formatURL(deny_url,deny_url_type) + "\">" + out.getButtonVisual("no")
+	      + html.formatURL(deny_url,deny_url_type) + "\">" + html.getButtonVisual("no")
 	      + "</A>\n</FONT></TD></TR></TABLE><P>\n");
 
   } // end render

src/com/silverwrist/venice/ui/helpers/CookieControl.java

@@ -0,0 +1,31 @@
+/*
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
+ * 
+ * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
+ * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
+ * language governing rights and limitations under the License.
+ * 
+ * The Original Code is the Venice Web Communities System.
+ * 
+ * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
+ * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
+ * Copyright (C) 2002 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.venice.ui.helpers;
+
+public interface CookieControl
+{
+  public static final String LOGIN_COOKIE = "VeniceAuth";
+  public static final int LOGIN_COOKIE_AGE = 60*60*24*365;  // one year
+
+  public abstract void savePersistentCookie(String name, String value, int max_age);
+
+  public abstract void saveTemporaryCookie(String name, String value);
+
+  public abstract void deleteCookie(String name);
+
+} // end interface CookieControl

src/com/silverwrist/venice/ui/helpers/ErrorBox.java

@@ -21,7 +21,7 @@ import java.io.IOException;
 import com.silverwrist.util.StringUtil;
 import com.silverwrist.venice.ui.*;
 
-public class ErrorBox extends ThrowableContent implements ContentDirect, ColorSelectors, LinkTypes
+public class ErrorBox extends ThrowableContent implements ContentDirect
 {
   /*--------------------------------------------------------------------------------
    * Static data members
@@ -58,7 +58,7 @@ public class ErrorBox extends ThrowableContent implements ContentDirect, ColorSe
 
   public ErrorBox(String title, String message, String back)
   {
-    this(title,message,back,SERVLET);
+    this(title,message,back,LinkTypes.SERVLET);
 
   } // end constructor
 
@@ -76,7 +76,7 @@ public class ErrorBox extends ThrowableContent implements ContentDirect, ColorSe
 
   public ErrorBox(String title, Throwable t, String back)
   {
-    this(title,t,back,SERVLET);
+    this(title,t,back,LinkTypes.SERVLET);
 
   } // end constructor
 
@@ -94,7 +94,7 @@ public class ErrorBox extends ThrowableContent implements ContentDirect, ColorSe
 
   public ErrorBox(String title, String message, Throwable t, String back)
   {
-    this(title,message,t,back,SERVLET);
+    this(title,message,t,back,LinkTypes.SERVLET);
 
   } // end constructor
 
@@ -134,16 +134,18 @@ public class ErrorBox extends ThrowableContent implements ContentDirect, ColorSe
 
   public void render(RequestOutput out) throws IOException
   {
+    HTMLRendering html = (HTMLRendering)(out.queryService(HTMLRendering.class));
+
     out.write("<P><TABLE ALIGN=CENTER WIDTH=\"70%\" BORDER=1 CELLPADDING=2 CELLSPACING=1><TR VALIGN=MIDDLE>"
-	      + "<TD ALIGN=CENTER BGCOLOR=\"" + out.getColor(ERROR_TITLE_BACKGROUND) + "\">\n"
+	      + "<TD ALIGN=CENTER BGCOLOR=\"" + html.getColor(html.ERROR_TITLE_BACKGROUND) + "\">\n"
-	      + out.getFontTag(ERROR_TITLE_FOREGROUND,"errorbox") + StringUtil.encodeHTML(title)
+	      + html.getFontTag(html.ERROR_TITLE_FOREGROUND,"errorbox") + StringUtil.encodeHTML(title)
 	      + "</FONT>\n</TD></TR>" + "<TR VALIGN=MIDDLE><TD ALIGN=CENTER>\n"
-	      + out.getFontTag(CONTENT_FOREGROUND,"errorbox") + "<P>" + StringUtil.encodeHTML(getMessage())
+	      + html.getFontTag(html.CONTENT_FOREGROUND,"errorbox") + "<P>"
-	      + "<P>\n");
+              + StringUtil.encodeHTML(getMessage()) + "<P>\n");
     if (back==null)
       out.write("Use your browser's <B>Back</B> button to go back.\n");
     else
-      out.write("<A HREF=\"" + out.formatURL(back,back_linktype) + "\">Go back.</A>\n");
+      out.write("<A HREF=\"" + html.formatURL(back,back_linktype) + "\">Go back.</A>\n");
     out.write("<P></FONT></TD></TR></TABLE><P>\n");
     if (canPrintStackTrace())
     { // put the stack trace in an HTML comment so we can see what may be going on...

src/com/silverwrist/venice/ui/helpers/HTMLRendering.java

@@ -0,0 +1,72 @@
+/*
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
+ * 
+ * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
+ * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
+ * language governing rights and limitations under the License.
+ * 
+ * The Original Code is the Venice Web Communities System.
+ * 
+ * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
+ * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
+ * Copyright (C) 2002 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.venice.ui.helpers;
+
+import java.awt.Dimension;
+import java.util.Date;
+import java.util.Map;
+import com.silverwrist.venice.ui.ColorSelectors;
+import com.silverwrist.venice.ui.LinkTypes;
+
+public interface HTMLRendering extends ColorSelectors, LinkTypes
+{
+  public abstract String getColor(int selector);
+
+  public abstract String getColor(String name);
+
+  public abstract boolean useHTMLComments();
+
+  public abstract String formatURL(String url, int type);
+
+  public abstract String formatDate(Date date);
+
+  public abstract String getFontTag(int colorsel, int size);
+
+  public abstract String getFontTag(String color, int size);
+
+  public abstract String getFontTag(int colorsel, String size);
+
+  public abstract String getFontTag(String color, String size);
+
+  public abstract int convertLinkType(String str);
+
+  public abstract String getStockMessage(String key);
+
+  public abstract String getStockMessage(String key, Map vars);
+
+  public abstract String getStaticPath(String s);
+
+  public abstract String getExternalStaticPath(String s);
+
+  public abstract String getImagePath(String s);
+
+  public abstract String getButtonVisual(String id);
+
+  public abstract String getButtonInput(String id);
+
+  public abstract String getUserPhotoTag(String url);
+
+  public abstract String getUserPhotoTag(String url, Dimension size);
+
+  public abstract String getActivityString(Date date);
+
+  public abstract String getCommunityLogoTag(String url);
+
+  public abstract String expandServletPath(String spath);
+
+} // end interface HTMLRendering

src/com/silverwrist/venice/ui/helpers/ImageHandler.java

@@ -168,7 +168,8 @@ public class ImageHandler implements RenderDirect
     { // this may be called by more than one class, so protect this part
       if (fixup)
       { // fix up the host tag URL
-	url = out.getImagePath(url);
+	HTMLRendering html = (HTMLRendering)(out.queryService(HTMLRendering.class));
+	url = html.getImagePath(url);
 	fixup = false;
 
       } // end if

src/com/silverwrist/venice/ui/helpers/SessionControl.java

@@ -0,0 +1,33 @@
+/*
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
+ * 
+ * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
+ * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
+ * language governing rights and limitations under the License.
+ * 
+ * The Original Code is the Venice Web Communities System.
+ * 
+ * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
+ * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
+ * Copyright (C) 2002 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.venice.ui.helpers;
+
+import com.silverwrist.venice.core.UserContext;
+import com.silverwrist.venice.ui.VeniceUISession;
+
+public interface SessionControl
+{
+  public abstract void endSession();
+
+  public abstract void pushSession(VeniceUISession sess);
+
+  public abstract void popSession();
+
+  public abstract void replaceUser(UserContext new_user);
+
+} // end interface SessionControl

src/com/silverwrist/venice/ui/helpers/ThrowableContent.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -19,7 +19,21 @@ package com.silverwrist.venice.ui.helpers;
 
 import java.io.PrintStream;
 import java.io.PrintWriter;
+import com.silverwrist.venice.except.VeniceException;
 
+/**
+ * Intended as the &quot;superclass&quot; of content objects which may be thrown from UI code, as
+ * if they were exceptions.  These are generally used in a similar context to exceptions, such as,
+ * for example, {@link com.silverwrist.venice.ui.helpers.ErrorBox <CODE>ErrorBox</CODE>}, which
+ * displays an error message.<P>
+ * Objects extending this class will generally also implement one or more of the
+ * {@link com.silverwrist.venice.ui.Content <CODE>Content</CODE>} interfaces, such as
+ * {@link com.silverwrist.venice.ui.ContentDirect <CODE>ContentDirect</CODE>} or
+ * {@link com.silverwrist.venice.ui.ContentJSP <CODE>ContentJSP</CODE>}.
+ *
+ * @author Eric J. Bowersox &lt;erbo@silcom.com&gt;
+ * @version X
+ */
 public abstract class ThrowableContent extends Throwable
 {
   /*--------------------------------------------------------------------------------
@@ -27,36 +41,62 @@ public abstract class ThrowableContent extends Throwable
    *--------------------------------------------------------------------------------
    */
 
-  private Throwable inner;
+  private Throwable inner;                     // encapsulated exception
-  private boolean have_stack_trace = false;
+  private boolean have_stack_trace = false;    // do we have a stack trace?
 
   /*--------------------------------------------------------------------------------
    * Constructors
    *--------------------------------------------------------------------------------
    */
 
-  public ThrowableContent()
+  /**
+   * Constructs a new <CODE>ThrowableContent</CODE> with <CODE>null</CODE> as its error message
+   * string. Also, the method {@link #fillInStackTrace() fillInStackTrace()} is called for this object.
+   */
+  protected ThrowableContent()
   {
     super();
     inner = null;
 
   } // end constructor
 
-  public ThrowableContent(String msg)
+  /**
+   * Constructs a new <CODE>ThrowableContent</CODE> with the specified error message. Also, the method
+   * {@link #fillInStackTrace() fillInStackTrace()} is called for this object.
+   *
+   * @param msg The error message. The error message is saved for later retrieval by the
+   *            {@link java.lang.Throwable#getMessage() getMessage()} method.
+   */
+  protected ThrowableContent(String msg)
   {
     super(msg);
     inner = null;
 
   } // end constructor
 
-  public ThrowableContent(Throwable t)
+  /**
+   * Constructs a <CODE>ThrowableContent</CODE> that wraps another exception.  The error message of the
+   * &quot;wrapped&quot; exception is used as the error message of this exception.  Also, the method
+   * {@link #fillInStackTrace() fillInStackTrace()} is called for this object.
+   *
+   * @param t The exception to be wrapped by this <CODE>ThrowableContent</CODE>.
+   */
+  protected ThrowableContent(Throwable t)
   {
     super(t.getMessage());
     inner = t;
 
   } // end constructor
 
-  public ThrowableContent(String msg, Throwable t)
+  /**
+   * Constructs a <CODE>ThrowableContent</CODE> that wraps another exception, with a specified error message.
+   * Also, the method {@link #fillInStackTrace() fillInStackTrace()} is called for this object.
+   *
+   * @param msg The error message. The error message is saved for later retrieval by the
+   *            {@link java.lang.Throwable#getMessage() getMessage()} method.
+   * @param t The exception to be wrapped by this <CODE>ThrowableContent</CODE>.
+   */
+  protected ThrowableContent(String msg, Throwable t)
   {
     super(msg);
     inner = t;
@@ -68,6 +108,11 @@ public abstract class ThrowableContent extends Throwable
    *--------------------------------------------------------------------------------
    */
 
+  /**
+   * Returns a short description of this throwable object.
+   *
+   * @return See above.
+   */
   public String toString()
   {
     return getMessage();
@@ -79,6 +124,14 @@ public abstract class ThrowableContent extends Throwable
    *--------------------------------------------------------------------------------
    */
 
+  /**
+   * Fills in the execution stack trace. This method records within this <CODE>Throwable</CODE> object
+   * information about the current state of the stack frames for the current thread. This method is useful
+   * when an application is re-throwing an error or exception.
+   *
+   * @return This <CODE>Throwable</CODE> object.
+   * @see java.lang.Throwable#fillInStackTrace
+   */
   public Throwable fillInStackTrace()
   {
     have_stack_trace = true;
@@ -88,7 +141,7 @@ public abstract class ThrowableContent extends Throwable
 
   /**
    * Prints this exception and its backtrace to the standard error stream.  Also prints the backtrace
-   * of any "wrapped" exception.
+   * of any &quot;wrapped&quot; exception.
    *
    * @see java.lang.System#err
    */
@@ -100,7 +153,7 @@ public abstract class ThrowableContent extends Throwable
 
   /**
    * Prints this exception and its backtrace to the specified <CODE>PrintStream</CODE>.  Also prints the
-   * backtrace of any "wrapped" exception.
+   * backtrace of any &quot;wrapped&quot; exception.
    *
    * @param s <CODE>PrintStream</CODE> to use for output.
    */
@@ -108,18 +161,13 @@ public abstract class ThrowableContent extends Throwable
   {
     if (have_stack_trace)
       super.printStackTrace(s);
-    if (inner!=null)
+    VeniceException.printRootCause(s,inner);
-    { // print the inner stack trace
-      s.print("Root cause: ");
-      inner.printStackTrace(s);
-
-    } // end if
 
   } // end printStackTrace
 
   /**
    * Prints this exception and its backtrace to the specified <CODE>PrintWriter</CODE>.  Also prints the
-   * backtrace of any "wrapped" exception.
+   * backtrace of any &quot;wrapped&quot; exception.
    *
    * @param s <CODE>PrintWriter</CODE> to use for output.
    */
@@ -127,12 +175,7 @@ public abstract class ThrowableContent extends Throwable
   {
     if (have_stack_trace)
       super.printStackTrace(s);
-    if (inner!=null)
+    VeniceException.printRootCause(s,inner);
-    { // print the inner stack trace
-      s.print("Root cause: ");
-      inner.printStackTrace(s);
-
-    } // end if
 
   } // end printStackTrace
 
@@ -152,6 +195,12 @@ public abstract class ThrowableContent extends Throwable
 
   } // end getException
 
+  /**
+   * Returns <CODE>true</CODE> if this object contains a stack trace which can be printed,
+   * <CODE>false</CODE> if not.
+   *
+   * @return See above.
+   */
   public boolean canPrintStackTrace()
   {
     return (have_stack_trace || (inner!=null));

src/com/silverwrist/venice/ui/jsp/FrameBodyTag.java

@@ -21,6 +21,7 @@ import java.io.IOException;
 import javax.servlet.jsp.*;
 import javax.servlet.jsp.tagext.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 
 public class FrameBodyTag extends VeniceTagSupport implements ColorSelectors
 {
@@ -38,10 +39,12 @@ public class FrameBodyTag extends VeniceTagSupport implements ColorSelectors
 
   public int doStartTag() throws JspException
   {
+    HTMLRendering html = (HTMLRendering)(getRequestInput().queryService(HTMLRendering.class));
+
     try
     { // write out what we came here to accomplish
       JspWriter out = pageContext.getOut();
-      out.write("<BODY BGCOLOR=\"" + getRequestInput().getColor(FRAME_BACKGROUND) + "\"");
+      out.write("<BODY BGCOLOR=\"" + html.getColor(FRAME_BACKGROUND) + "\"");
       if (extra!=null)
 	out.write(" " + extra);
       out.write(">");

src/com/silverwrist/venice/ui/jsp/UtilButtonTag.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -21,6 +21,7 @@ import java.io.IOException;
 import javax.servlet.jsp.*;
 import javax.servlet.jsp.tagext.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 
 public class UtilButtonTag extends VeniceTagSupport
 {
@@ -45,10 +46,11 @@ public class UtilButtonTag extends VeniceTagSupport
       throw new JspTagException("<util:button/> type not valid!");
 
     String data;
+    HTMLRendering html = (HTMLRendering)(getRequestOutput().queryService(HTMLRendering.class));
     if (type.equals("img"))
-      data = getRequestOutput().getButtonVisual(id);
+      data = html.getButtonVisual(id);
     else
-      data = getRequestOutput().getButtonInput(id);
+      data = html.getButtonInput(id);
 
     try
     { // write out what we came here to accomplish

src/com/silverwrist/venice/ui/jsp/UtilColorTag.java

@@ -21,6 +21,7 @@ import java.io.IOException;
 import javax.servlet.jsp.*;
 import javax.servlet.jsp.tagext.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 
 public class UtilColorTag extends VeniceTagSupport
 {
@@ -41,10 +42,12 @@ public class UtilColorTag extends VeniceTagSupport
     if (name==null)
       throw new JspTagException("<color/> tag specified without a color name");
 
+    HTMLRendering html = (HTMLRendering)(getRequestInput().queryService(HTMLRendering.class));
+
     try
     { // write out what we came here to accomplish
       JspWriter out = pageContext.getOut();
-      out.write(getRequestInput().getColor(name));
+      out.write(html.getColor(name));
 
     } // end try
     catch (IOException e)

src/com/silverwrist/venice/ui/jsp/UtilCommentTag.java

@@ -21,6 +21,7 @@ import java.io.IOException;
 import javax.servlet.jsp.*;
 import javax.servlet.jsp.tagext.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 
 public class UtilCommentTag extends VeniceTagSupport
 {
@@ -38,7 +39,8 @@ public class UtilCommentTag extends VeniceTagSupport
 
   public int doStartTag() throws JspException
   {
-    enable = getRequestInput().useHTMLComments();
+    HTMLRendering html = (HTMLRendering)(getRequestInput().queryService(HTMLRendering.class));
+    enable = html.useHTMLComments();
     if (!enable)
       return SKIP_BODY;
 

src/com/silverwrist/venice/ui/jsp/UtilExpandServletTag.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -21,6 +21,7 @@ import java.io.IOException;
 import javax.servlet.jsp.*;
 import javax.servlet.jsp.tagext.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 
 public class UtilExpandServletTag extends VeniceBodyTagSupport
 {
@@ -31,11 +32,13 @@ public class UtilExpandServletTag extends VeniceBodyTagSupport
 
   public int doAfterBody() throws JspException
   {
+    HTMLRendering html = (HTMLRendering)(getRequestInput().queryService(HTMLRendering.class));
     BodyContent body = getBodyContent();
+
     try
     { // write the escaped information
       JspWriter out = body.getEnclosingWriter();
-      out.write(getRequestInput().expandServletPath(body.getString()));
+      out.write(html.expandServletPath(body.getString()));
 
     } // end try
     catch (IOException e)

src/com/silverwrist/venice/ui/jsp/UtilFontTag.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -21,6 +21,7 @@ import java.io.IOException;
 import javax.servlet.jsp.*;
 import javax.servlet.jsp.tagext.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 
 public class UtilFontTag extends VeniceTagSupport
 {
@@ -39,10 +40,12 @@ public class UtilFontTag extends VeniceTagSupport
 
   public int doStartTag() throws JspException
   {
+    HTMLRendering html = (HTMLRendering)(getRequestInput().queryService(HTMLRendering.class));
+
     try
     { // write out what we came here to accomplish
       JspWriter out = pageContext.getOut();
-      out.write(getRequestInput().getFontTag(color,size_str));
+      out.write(html.getFontTag(color,size_str));
 
     } // end try
     catch (IOException e)

src/com/silverwrist/venice/ui/jsp/UtilFormTag.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -23,6 +23,7 @@ import javax.servlet.jsp.*;
 import javax.servlet.jsp.tagext.*;
 import com.silverwrist.util.StringUtil;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 
 public class UtilFormTag extends VeniceTagSupport
 {
@@ -58,8 +59,11 @@ public class UtilFormTag extends VeniceTagSupport
       throw new JspTagException("<util:form/> action not specified!");
     if (type==null)
       throw new JspTagException("<util:form/> type not specified!");
+
     RequestInput ri = getRequestInput();
-    int ityp = ri.convertLinkType(type);
+    HTMLRendering html = (HTMLRendering)(ri.queryService(HTMLRendering.class));
+
+    int ityp = html.convertLinkType(type);
     if (ityp==-1)
       throw new JspTagException("<util:form/> invalid action type!");
 
@@ -75,7 +79,7 @@ public class UtilFormTag extends VeniceTagSupport
 	out.write("CLASS=\"" + cls + "\" ");
       if ((isfile!=null) && isfile.equals("true"))
 	out.write("ENCTYPE=\"multipart/form-data\" ");
-      out.write("ACTION=\"" + ri.formatURL(action,ityp) + "\">");
+      out.write("ACTION=\"" + html.formatURL(action,ityp) + "\">");
 
     } // end try
     catch (IOException e)

src/com/silverwrist/venice/ui/jsp/UtilHeaderTag.java

@@ -23,6 +23,7 @@ import javax.servlet.jsp.*;
 import javax.servlet.jsp.tagext.*;
 import com.silverwrist.util.StringUtil;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 
 public class UtilHeaderTag extends VeniceBodyTagSupport
 {
@@ -56,13 +57,14 @@ public class UtilHeaderTag extends VeniceBodyTagSupport
   public int doEndTag() throws JspException
   {
     RequestOutput ro = getRequestOutput();
+    HTMLRendering html = (HTMLRendering)(ro.queryService(HTMLRendering.class));
 
     // find the real title string
     String real_title = null;
     if (title!=null)
       real_title = title;
     else if (stocktitle!=null)
-      real_title = ro.getStockMessage(stocktitle);
+      real_title = html.getStockMessage(stocktitle);
     if (real_title==null)
       throw new JspTagException("<util:header/> contains no title= or stocktitle= attributes!");
 
@@ -71,7 +73,7 @@ public class UtilHeaderTag extends VeniceBodyTagSupport
     if (subtitle!=null)
       real_subtitle = subtitle;
     else if (stocksubtitle!=null)
-      real_subtitle = ro.getStockMessage(stocksubtitle);
+      real_subtitle = html.getStockMessage(stocksubtitle);
 
     try
     { // write out what we came here to accomplish

src/com/silverwrist/venice/ui/jsp/UtilHrefTag.java

@@ -20,6 +20,7 @@ package com.silverwrist.venice.ui.jsp;
 import javax.servlet.jsp.*;
 import javax.servlet.jsp.tagext.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 
 public class UtilHrefTag extends VeniceBodyTagSupport
 {
@@ -40,7 +41,8 @@ public class UtilHrefTag extends VeniceBodyTagSupport
   {
     if (type==null)
       throw new JspTagException("<util:href/> type= attribute not specified");
-    real_type = getRequestInput().convertLinkType(type);
+    HTMLRendering html = (HTMLRendering)(getRequestInput().queryService(HTMLRendering.class));
+    real_type = html.convertLinkType(type);
     if (real_type<0)
       throw new JspTagException("<util:href/> type= attribute not a valid link type");
     return EVAL_BODY_TAG;

src/com/silverwrist/venice/ui/jsp/UtilImageTag.java

@@ -21,6 +21,7 @@ import java.io.IOException;
 import javax.servlet.jsp.*;
 import javax.servlet.jsp.tagext.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 
 public class UtilImageTag extends VeniceBodyTagSupport
 {
@@ -95,7 +96,11 @@ public class UtilImageTag extends VeniceBodyTagSupport
 
     String real_src;
     if (fixup!=null)
-      real_src = getRequestOutput().getImagePath(src);
+    { // fix up the image path
+      HTMLRendering html = (HTMLRendering)(getRequestOutput().queryService(HTMLRendering.class));
+      real_src = html.getImagePath(src);
+
+    } // end if
     else
       real_src = src;
 

src/com/silverwrist/venice/ui/jsp/UtilLinkTag.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -23,6 +23,7 @@ import javax.servlet.jsp.*;
 import javax.servlet.jsp.tagext.*;
 import com.silverwrist.util.StringUtil;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 
 public class UtilLinkTag extends VeniceTagSupport
 {
@@ -56,8 +57,11 @@ public class UtilLinkTag extends VeniceTagSupport
       throw new JspTagException("<util:link/> href not specified!");
     if (type==null)
       throw new JspTagException("<util:link/> type not specified!");
+
     RequestInput ri = getRequestInput();
-    int ityp = ri.convertLinkType(type);
+    HTMLRendering html = (HTMLRendering)(ri.queryService(HTMLRendering.class));
+
+    int ityp = html.convertLinkType(type);
     if (ityp==-1)
       throw new JspTagException("<util:link/> invalid link type!");
 
@@ -71,7 +75,7 @@ public class UtilLinkTag extends VeniceTagSupport
       out.write("<A ");
       if (cls!=null)
 	out.write("CLASS=\"" + cls + "\" ");
-      out.write("HREF=\"" + ri.formatURL(href,ityp) + "\"");
+      out.write("HREF=\"" + html.formatURL(href,ityp) + "\"");
       if (title!=null)
 	out.write(" TITLE=\"" + title + "\"");
       if (target!=null)

src/com/silverwrist/venice/ui/jsp/UtilMenuHeaderTag.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -23,8 +23,9 @@ import javax.servlet.jsp.*;
 import javax.servlet.jsp.tagext.*;
 import com.silverwrist.util.StringUtil;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 
-public class UtilMenuHeaderTag extends VeniceBodyTagSupport implements ColorSelectors
+public class UtilMenuHeaderTag extends VeniceBodyTagSupport
 {
   /*--------------------------------------------------------------------------------
    * Internal class for holding the menu links
@@ -45,12 +46,12 @@ public class UtilMenuHeaderTag extends VeniceBodyTagSupport implements ColorSele
 
     } // end constructor
 
-    final void write(JspWriter out, RequestOutput ro, boolean selected) throws IOException
+    final void write(JspWriter out, HTMLRendering html, boolean selected) throws IOException
     {
       if (selected)
 	out.write("<B>");
       else
-	out.write("<A HREF=\"" + ro.formatURL(href,type) + "\">");
+	out.write("<A HREF=\"" + html.formatURL(href,type) + "\">");
       out.write(text);
       if (selected)
 	out.write("</B>");
@@ -95,14 +96,14 @@ public class UtilMenuHeaderTag extends VeniceBodyTagSupport implements ColorSele
     if (items.isEmpty())
       throw new JspTagException("<util:menuheader/> has no menu header items!");
 
-    RequestOutput ro = getRequestOutput();
+    HTMLRendering html = (HTMLRendering)(getRequestOutput().queryService(HTMLRendering.class));
 
     try
     { // write out what we came here to accomplish
       JspWriter out = pageContext.getOut();
-      out.write("<SPAN CLASS=\"chead1\">" + ro.getFontTag(CONTENT_HEADER,"header") + "<B>"
+      out.write("<SPAN CLASS=\"chead1\">" + html.getFontTag(html.CONTENT_HEADER,"header") + "<B>"
 		+ StringUtil.encodeHTML(caption) + "</B></FONT></SPAN>&nbsp;&nbsp;<SPAN CLASS=\"chead2\">"
-		+ ro.getFontTag(CONTENT_HEADER,"subhead"));
+		+ html.getFontTag(html.CONTENT_HEADER,"subhead"));
       boolean first = true;
       Iterator it = items.iterator();
       while (it.hasNext())
@@ -117,7 +118,7 @@ public class UtilMenuHeaderTag extends VeniceBodyTagSupport implements ColorSele
 	else  // write the separator
 	  out.write("|");
 	out.write("&nbsp;");
-	mi.write(out,ro,(mi==selected_item));
+	mi.write(out,html,(mi==selected_item));
 	out.write("&nbsp;");
 
       } // end while

src/com/silverwrist/venice/ui/jsp/UtilStdBulletTag.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -21,6 +21,7 @@ import java.io.IOException;
 import javax.servlet.jsp.*;
 import javax.servlet.jsp.tagext.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 
 public class UtilStdBulletTag extends VeniceTagSupport
 {
@@ -31,12 +32,13 @@ public class UtilStdBulletTag extends VeniceTagSupport
 
   public int doStartTag() throws JspException
   {
-    RequestOutput ro = getRequestOutput();
+    HTMLRendering html = (HTMLRendering)(getRequestOutput().queryService(HTMLRendering.class));
+
     try
     { // write out what we came here to accomplish
       JspWriter out = pageContext.getOut();
       // TODO: make this configurable
-      out.write("<IMG SRC=\"" + ro.getImagePath("purple-ball.gif")
+      out.write("<IMG SRC=\"" + html.getImagePath("purple-ball.gif")
 		+ "\" ALT=\"*\" WIDTH=14 HEIGHT=14 BORDER=0>");
 
     } // end try

src/com/silverwrist/venice/ui/jsp/UtilStockMessageTag.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -21,6 +21,7 @@ import java.io.IOException;
 import javax.servlet.jsp.*;
 import javax.servlet.jsp.tagext.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 
 public class UtilStockMessageTag extends VeniceTagSupport
 {
@@ -40,7 +41,8 @@ public class UtilStockMessageTag extends VeniceTagSupport
   {
     if (key==null)
       throw new JspTagException("<util:stock-message/> key not specified!");
-    String msg = getRequestInput().getStockMessage(key);
+    HTMLRendering html = (HTMLRendering)(getRequestInput().queryService(HTMLRendering.class));
+    String msg = html.getStockMessage(key);
     if (msg==null)
       return SKIP_BODY;
 

src/com/silverwrist/venice/ui/jsp/UtilXLinkTag.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -23,6 +23,7 @@ import javax.servlet.jsp.*;
 import javax.servlet.jsp.tagext.*;
 import com.silverwrist.util.StringUtil;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 
 public class UtilXLinkTag extends VeniceBodyTagSupport
 {
@@ -77,13 +78,15 @@ public class UtilXLinkTag extends VeniceBodyTagSupport
     if (href.indexOf(LOCATION_PARAM)>=0)
       href = StringUtil.replaceAllInstances(href,LOCATION_PARAM,URLEncoder.encode(ri.getLocation()));
 
+    HTMLRendering html = (HTMLRendering)(ri.queryService(HTMLRendering.class));
+
     try
     { // write out what we came here to accomplish
       JspWriter out = pageContext.getOut();
       out.write("<A ");
       if (cls!=null)
 	out.write("CLASS=\"" + cls + "\" ");
-      out.write("HREF=\"" + ri.formatURL(href,type) + "\"");
+      out.write("HREF=\"" + html.formatURL(href,type) + "\"");
       if (title!=null)
 	out.write(" TITLE=\"" + title + "\"");
       if (target!=null)

src/com/silverwrist/venice/ui/menus/CommunityMenu.java

@@ -24,8 +24,9 @@ import com.silverwrist.util.*;
 import com.silverwrist.venice.core.*;
 import com.silverwrist.venice.except.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 
-public class CommunityMenu implements MenuComponent, ColorSelectors, LinkTypes
+public class CommunityMenu implements MenuComponent
 {
   /*--------------------------------------------------------------------------------
    * Attributes
@@ -77,11 +78,13 @@ public class CommunityMenu implements MenuComponent, ColorSelectors, LinkTypes
 
   public void render(RequestOutput out, Writer wr, Set defines) throws IOException
   {
+    HTMLRendering html = (HTMLRendering)(out.queryService(HTMLRendering.class));
+
     if (wr==null)
       wr = out.getWriter();
 
     wr.write("<TABLE BORDER=0 CELLPADDING=2 CELLSPACING=0><TR VALIGN=BOTTOM>\n<TD ALIGN=LEFT WIDTH=110>"
-	     + out.getCommunityLogoTag(image_url) + "</TD>\n<TD ALIGN=LEFT>\n");
+	     + html.getCommunityLogoTag(image_url) + "</TD>\n<TD ALIGN=LEFT>\n");
 
     // display the title
     out.writeContentHeader(wr,title,null);
@@ -97,9 +100,9 @@ public class CommunityMenu implements MenuComponent, ColorSelectors, LinkTypes
     } // end while
 
     if (show_unjoin)  // display the "Unjoin" link
-      wr.write("<P><IMG SRC=\"" + out.getImagePath("purple-ball.gif")
+      wr.write("<P><IMG SRC=\"" + html.getImagePath("purple-ball.gif")
 	       + "\" ALT=\"*\" WIDTH=14 HEIGHT=14 BORDER=0><A HREF=\""
-	       + out.formatURL("comm/unjoin.js.vs?cc=" + cid,SERVLET) + "\">Unjoin</A><BR>\n");
+	       + html.formatURL("comm/unjoin.js.vs?cc=" + cid,html.SERVLET) + "\">Unjoin</A><BR>\n");
 
     wr.write("\n");  // all done...
 
@@ -113,12 +116,14 @@ public class CommunityMenu implements MenuComponent, ColorSelectors, LinkTypes
 
   public void renderOnLeft(RequestOutput out, Writer wr, Set defines) throws IOException
   {
+    HTMLRendering html = (HTMLRendering)(out.queryService(HTMLRendering.class));
+
     if (wr==null)
       wr = out.getWriter();
-    String hilite = out.getFontTag(LEFT_LINK,null);
+    String hilite = html.getFontTag(html.LEFT_LINK,null);
 
     // display the image URL and title
-    wr.write("<DIV ALIGN=\"LEFT\">" + out.getCommunityLogoTag(image_url) + "</DIV>\n<B>"
+    wr.write("<DIV ALIGN=\"LEFT\">" + html.getCommunityLogoTag(image_url) + "</DIV>\n<B>"
 	     + StringUtil.encodeHTML(title) + "</B><BR>\n");
 
     // display the menu items
@@ -131,7 +136,7 @@ public class CommunityMenu implements MenuComponent, ColorSelectors, LinkTypes
     } // end while
 
     if (show_unjoin)
-      wr.write("<BR>\n<A CLASS=\"lbar\" HREF=\"" + out.formatURL("comm/unjoin.js.vs?cc=" + cid,SERVLET)
+      wr.write("<BR>\n<A CLASS=\"lbar\" HREF=\"" + html.formatURL("comm/unjoin.js.vs?cc=" + cid,html.SERVLET)
 	       + "\">" + hilite	+ "Unjoin</FONT></A>\n");
 
     wr.write("\n");  // all done...

src/com/silverwrist/venice/ui/menus/ImageItem.java

@@ -24,6 +24,7 @@ import org.w3c.dom.*;
 import com.silverwrist.util.DOMElementHelper;
 import com.silverwrist.venice.except.ConfigException;
 import com.silverwrist.venice.ui.RequestOutput;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 import com.silverwrist.venice.util.XMLLoader;
 
 class ImageItem implements MenuComponent
@@ -85,7 +86,8 @@ class ImageItem implements MenuComponent
     wr.write("<IMG SRC=\"");
     if (fixup)
     { // fix up the image path
-      src = out.getImagePath(src);
+      HTMLRendering html = (HTMLRendering)(out.queryService(HTMLRendering.class));
+      src = html.getImagePath(src);
       fixup = false;
 
     } // end if

src/com/silverwrist/venice/ui/menus/LinkItem.java

@@ -27,9 +27,10 @@ import com.silverwrist.util.*;
 import com.silverwrist.venice.except.ConfigException;
 import com.silverwrist.venice.ui.*;
 import com.silverwrist.venice.ui.config.RootConfig;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 import com.silverwrist.venice.util.XMLLoader;
 
-class LinkItem implements MenuComponent, ColorSelectors, LinkTypes
+class LinkItem implements MenuComponent
 {
   /*--------------------------------------------------------------------------------
    * Static data members
@@ -76,7 +77,7 @@ class LinkItem implements MenuComponent, ColorSelectors, LinkTypes
 
     } // end if
     else // default to "absolute"
-      type = ABSOLUTE;
+      type = LinkTypes.ABSOLUTE;
 
     // load the "target"
     if (h.hasAttribute("target"))
@@ -136,6 +137,18 @@ class LinkItem implements MenuComponent, ColorSelectors, LinkTypes
 
   } // end constructor
 
+  /*--------------------------------------------------------------------------------
+   * Internal operations
+   *--------------------------------------------------------------------------------
+   */
+
+  private final String getAddress(HTMLRendering html, Map vars)
+  {
+    String s = StringUtil.replaceAllVariables(href,vars);
+    return html.formatURL(s,type);
+
+  } // end getAddress
+
   /*--------------------------------------------------------------------------------
    * Implementations from interface MenuComponent
    *--------------------------------------------------------------------------------
@@ -153,15 +166,18 @@ class LinkItem implements MenuComponent, ColorSelectors, LinkTypes
       return;
     if ((ifndef_sym!=null) && defines.contains(ifndef_sym))
       return;
+
+    HTMLRendering html = (HTMLRendering)(out.queryService(HTMLRendering.class));
+
     if (wr==null)
       wr = out.getWriter();
     for (int i=0; i<indent; i++)
       wr.write("&nbsp;&nbsp;&nbsp;&nbsp;");  // do indent
-    wr.write("<IMG SRC=\"" + out.getImagePath("purple-ball.gif")
+    wr.write("<IMG SRC=\"" + html.getImagePath("purple-ball.gif")
 	      + "\" ALT=\"*\" WIDTH=14 HEIGHT=14 BORDER=0>&nbsp;");
     if (enabled)
     { // render the URL as an <A> tag
-      wr.write("<A HREF=\"" + out.formatURL(href,type) + "\"");
+      wr.write("<A HREF=\"" + html.formatURL(href,type) + "\"");
       if (target!=null)
 	wr.write(" TARGET=\"" + target + "\"");
       if (title!=null)
@@ -172,7 +188,7 @@ class LinkItem implements MenuComponent, ColorSelectors, LinkTypes
       
     } // end if
     else  // just disable the color
-      wr.write(out.getFontTag(CONTENT_DISABLED,null));
+      wr.write(html.getFontTag(html.CONTENT_DISABLED,null));
     contents.render(out,wr,defines);
     if (enabled)
       wr.write("</A>");
@@ -194,24 +210,27 @@ class LinkItem implements MenuComponent, ColorSelectors, LinkTypes
       return;
     if ((ifndef_sym!=null) && defines.contains(ifndef_sym))
       return;
+
+    HTMLRendering html = (HTMLRendering)(out.queryService(HTMLRendering.class));
+
     if (wr==null)
       wr = out.getWriter();
     for (int i=0; i<indent; i++)
       wr.write("&nbsp;");  // do indent
     if (enabled)
     { // write the opening <A> and <FONT> tags
-      wr.write("<A HREF=\"" + out.formatURL(href,type) + "\" CLASS=\"lbar\"");
+      wr.write("<A HREF=\"" + html.formatURL(href,type) + "\" CLASS=\"lbar\"");
       if (target!=null)
 	wr.write(" TARGET=\"" + target + "\"");
       if (title!=null)
 	wr.write(" TITLE=\"" + title + "\"");
       if (on_click!=null)
 	wr.write(" onClick=\"" + on_click + "\"");
-      wr.write(">" + out.getFontTag(LEFT_LINK,null));
+      wr.write(">" + html.getFontTag(html.LEFT_LINK,null));
       
     } // end if
     else
-      wr.write(out.getFontTag(CONTENT_DISABLED,null));
+      wr.write(html.getFontTag(html.CONTENT_DISABLED,null));
     contents.renderOnLeft(out,wr,defines);
     wr.write("</FONT>");
     if (enabled)
@@ -233,15 +252,13 @@ class LinkItem implements MenuComponent, ColorSelectors, LinkTypes
 
   final String getAddress(RequestOutput out, Map vars)
   {
-    String s = StringUtil.replaceAllVariables(href,vars);
+    return this.getAddress((HTMLRendering)(out.queryService(HTMLRendering.class)),vars);
-    return out.formatURL(s,type);
 
   } // end getAddress
 
   final String getAddress(RequestInput inp, Map vars)
   {
-    String s = StringUtil.replaceAllVariables(href,vars);
+    return this.getAddress((HTMLRendering)(inp.queryService(HTMLRendering.class)),vars);
-    return inp.formatURL(s,type);
 
   } // end getAddress
 

src/com/silverwrist/venice/ui/menus/Menu.java

@@ -27,9 +27,10 @@ import com.silverwrist.util.StringUtil;
 import com.silverwrist.venice.except.*;
 import com.silverwrist.venice.ui.*;
 import com.silverwrist.venice.ui.config.RootConfig;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 import com.silverwrist.venice.util.XMLLoader;
 
-public class Menu implements MenuComponent, ColorSelectors
+public class Menu implements MenuComponent
 {
   /*--------------------------------------------------------------------------------
    * Constructor
@@ -144,6 +145,8 @@ public class Menu implements MenuComponent, ColorSelectors
 
   public void render(RequestOutput out, Writer wr, Set defines) throws IOException
   {
+    HTMLRendering html = (HTMLRendering)(out.queryService(HTMLRendering.class));
+
     if (title!=null)
     { // write the header
       if (wr==null)
@@ -155,12 +158,12 @@ public class Menu implements MenuComponent, ColorSelectors
 
     if (wr!=null)
     { // write using specified writer
-      wr.write(out.getFontTag(CONTENT_FOREGROUND,"content") + "\n");
+      wr.write(html.getFontTag(html.CONTENT_FOREGROUND,"content") + "\n");
       wr.flush();
 
     } // end if
     else
-      out.write(out.getFontTag(CONTENT_FOREGROUND,"content") + "\n");
+      out.write(html.getFontTag(html.CONTENT_FOREGROUND,"content") + "\n");
 
     Iterator it = menu_items.iterator();
     while (it.hasNext())

src/com/silverwrist/venice/ui/rpc/XmlRpcMethod.java

@@ -26,8 +26,10 @@ import com.silverwrist.util.*;
 import com.silverwrist.venice.except.*;
 import com.silverwrist.venice.ui.*;
 import com.silverwrist.venice.ui.config.RootConfig;
+import com.silverwrist.venice.ui.helpers.SessionControl;
 import com.silverwrist.venice.ui.helpers.ThrowableContent;
 import com.silverwrist.venice.ui.script.*;
+import com.silverwrist.venice.util.ServiceProvider;
 import com.silverwrist.venice.util.XMLLoader;
 
 public class XmlRpcMethod
@@ -178,7 +180,8 @@ public class XmlRpcMethod
 
     } // end if
 
-    req.pushSession(vuis);  // push the session into the request
+    SessionControl sctl = (SessionControl)(req.queryService(SessionControl.class));
+    sctl.pushSession(vuis);  // push the session into the request
 
   } // end bindSession
 
@@ -233,7 +236,11 @@ public class XmlRpcMethod
       finally
       { // pop the session we pushed
 	if (session_param>=0)
-	  req.popSession();
+	{ // pop the session
+	  SessionControl sctl = (SessionControl)(req.queryService(SessionControl.class));
+	  sctl.popSession();
+
+	} // end if
 
       } // end finally
 
@@ -241,8 +248,9 @@ public class XmlRpcMethod
 
     if (script_name!=null)
     { // script method call - prepare the script and execute it
-      String full_name = req.getRPCScriptName(script_name);
+      ScriptSupport ssup = (ScriptSupport)(req.queryService(ScriptSupport.class));
-      String logger_name = req.getRPCScriptLoggerName(script_name);
+      String full_name = ssup.getRPCScriptName(script_name);
+      String logger_name = ssup.getRPCScriptLoggerName(script_name);
       if (logger.isDebugEnabled())
 	logger.debug("EXECUTING " + full_name);
       try
@@ -250,7 +258,7 @@ public class XmlRpcMethod
 	if (session_param>=0)
 	  bindSession(req,xreq);
 
-	ScriptManager smgr = req.getScriptManager();
+	ScriptManager smgr = (ScriptManager)(req.queryService(ScriptManager.class));
 	smgr.pushContext();
 	smgr.register("xmlrpc",xreq);
 	smgr.register("environment",env);
@@ -265,7 +273,11 @@ public class XmlRpcMethod
 	{ // make sure and pop the context before we return
 	  smgr.popContext();
 	  if (session_param>=0)
-	    req.popSession();
+	  { // pop the session
+	    SessionControl sctl = (SessionControl)(req.queryService(SessionControl.class));
+	    sctl.popSession();
+
+	  } // end if
 
 	} // end finally
 

src/com/silverwrist/venice/ui/rpc/XmlRpcServlet.java

@@ -23,6 +23,7 @@ import javax.servlet.*;
 import javax.servlet.http.*;
 import org.apache.log4j.*;
 import org.apache.regexp.*;
+import org.w3c.dom.Document;
 import com.silverwrist.util.*;
 import com.silverwrist.venice.core.*;
 import com.silverwrist.venice.ui.*;
@@ -115,7 +116,8 @@ public class XmlRpcServlet extends BaseServlet
     XmlRpcRequest xreq;
     try
     { // get the XML-RPC request structure
-      xreq = new XmlRpcRequest(req,req.getRequestDocument());
+      Document req_doc = (Document)(req.queryService(Document.class,"requestDocument"));
+      xreq = new XmlRpcRequest(req,req_doc);
 
     } // end try
     catch (XmlRpcFault f)

src/com/silverwrist/venice/ui/script/ScriptLibrary.java

@@ -22,6 +22,9 @@ import java.util.*;
 import org.w3c.dom.*;
 import com.silverwrist.util.StringUtil;
 import com.silverwrist.venice.core.*;
+import com.silverwrist.venice.ui.helpers.CookieControl;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
+import com.silverwrist.venice.ui.helpers.SessionControl;
 import com.silverwrist.venice.util.*;
 
 public class ScriptLibrary
@@ -196,6 +199,24 @@ public class ScriptLibrary
 
   } // end join
 
+  public final CookieControl queryCookieControl(ServiceProvider sp)
+  {
+    return (CookieControl)(sp.queryService(CookieControl.class));
+
+  } // end queryCookieControl
+
+  public final HTMLRendering queryHTMLRendering(ServiceProvider sp)
+  {
+    return (HTMLRendering)(sp.queryService(HTMLRendering.class));
+
+  } // end queryHTMLRendering
+
+  public final SessionControl querySessionControl(ServiceProvider sp)
+  {
+    return (SessionControl)(sp.queryService(SessionControl.class));
+
+  } // end querySessionControl
+
   public final List splitList(String data, String delims)
   {
     return StringUtil.splitList(data,delims);

src/com/silverwrist/venice/ui/script/ScriptManager.java

@@ -38,10 +38,12 @@ public class ScriptManager
     public Object exec(String script) throws ScriptingException, ThrowableContent
     {
       RequestInput ri = (RequestInput)(ScriptManager.this.lookupObject("request"));
-      String script_file = ri.getScriptName(script);
+      ScriptSupport ssup = (ScriptSupport)(ri.queryService(ScriptSupport.class));
-      String logger_name = ri.getScriptLoggerName(script);
+      String script_file = ssup.getScriptName(script);
+      String logger_name = ssup.getScriptLoggerName(script);
       if (logger.isDebugEnabled())
 	logger.debug("EXECUTING " + script_file);
+
       ScriptReturn sro = new ScriptReturn();
       ScriptManager.this.exec(new File(script_file),logger_name,sro);
       return sro.get();
@@ -122,6 +124,9 @@ public class ScriptManager
 
   private static Category logger = Category.getInstance(ScriptManager.class);
 
+  private static final Class[] fixupRhino_parmtypes = { Boolean.TYPE };
+  private static final Object[] fixupRhino_parms = { Boolean.FALSE };
+
   /*--------------------------------------------------------------------------------
    * Attributes
    *--------------------------------------------------------------------------------
@@ -137,6 +142,12 @@ public class ScriptManager
    *--------------------------------------------------------------------------------
    */
 
+  /**
+   * Creates a new instance of <CODE>ScriptManager</CODE>.
+   *
+   * @param temp_dir Temporary directory that the scripting engines managed by this
+   *                 <CODE>ScriptManager</CODE> can use for storing temporary files.
+   */
   public ScriptManager(String temp_dir) throws ScriptingException
   {
     // initialize the BSFManager
@@ -183,16 +194,18 @@ public class ScriptManager
    *--------------------------------------------------------------------------------
    */
 
+  /**
+   * What fixupRhino does is to turn off the fancy caching in the JavaScript engine.  This is because
+   * caching involves dynamic creation of classes on the fly, and, for some reason (probably because
+   * of differing ClassLoader implementations), that doesn't work, whether Rhino is loaded in the
+   * Web application or in the JRE extensions.  When caching is turned off, Rhino can be loaded as
+   * part of the web application, and it can see all the standard classes and all the Web application
+   * classes.  But we have to turn it off by manipulating it via the Reflection API, as, for all we know,
+   * Rhino isn't even being loaded right now.  (Though we have BSF load Rhino right away if it can,
+   * to try and get this straightened out.)
+   */
   private static void fixupRhino()
   {
-    // What fixupRhino does is to turn off the fancy caching in the JavaScript engine.  This is because
-    // caching involves dynamic creation of classes on the fly, and, for some reason (probably because
-    // of differing ClassLoader implementations), that doesn't work, whether Rhino is loaded in the
-    // Web application or in the JRE extensions.  When caching is turned off, Rhino can be loaded as
-    // part of the web application, and it can see all the standard classes and all the Web application
-    // classes.  But we have to turn it off by manipulating it via the Reflection API, as, for all we know,
-    // Rhino isn't even being loaded right now.  (Though we have BSF load Rhino right away if it can,
-    // to try and get this straightened out.)
     if (logger.isDebugEnabled())
       logger.debug("Entered fixupRhino");
 
@@ -201,12 +214,10 @@ public class ScriptManager
       Class klass = Class.forName("org.mozilla.javascript.Context");
 
       // get a pointer to its setCachingEnabled method
-      final Class[] parmtypes = { Boolean.TYPE };
+      Method m = klass.getMethod("setCachingEnabled",fixupRhino_parmtypes);
-      Method m = klass.getMethod("setCachingEnabled",parmtypes);
 
       // invoke it to turn caching off!
-      final Object[] parms = { Boolean.FALSE };
+      m.invoke(null,fixupRhino_parms);
-      m.invoke(null,parms);
 
       // all done!
       if (logger.isDebugEnabled())
@@ -237,6 +248,20 @@ public class ScriptManager
 
   } // end translateReturnedObject
 
+  /**
+   * Translates an exception thrown by script execution into one of the exception types that
+   * <CODE>ScriptManager</CODE> officially supports throwing.
+   *
+   * @param source Source script name.
+   * @param lang Language the source script is in (JavaScript, Tcl, etc.)
+   * @param e <CODE>BSFException</CODE> that was thrown by a BSF method, which will be
+   *          &quot;unwrapped&quot; by this method.
+   * @exception com.silverwrist.venice.ui.script.ScriptingException In most cases, the
+   *            <CODE>BSFException</CODE> will translate to one of these.
+   * @exception com.silverwrist.venice.ui.helpers.ThrowableContent This is actually ordinary content
+   *            which may have been &quot;thrown&quot; by the script, and will be processed at a
+   *            higher level.
+   */
   private void translateScriptException(String source, String lang, BSFException e)
       throws ScriptingException, ThrowableContent
   {
@@ -260,9 +285,10 @@ public class ScriptManager
 
     } // end if
 
-    if (e.getReason()==BSFException.REASON_EXECUTION_ERROR)
+    if (   (e.getReason()==BSFException.REASON_EXECUTION_ERROR)
+        || (e.getReason()==BSFException.REASON_OTHER_ERROR))
     { // throw a ScriptingException
-      logger.error("Execution exception while running script",t);
+      logger.error("Script compiler or execution exception",t);
       if (t!=null)
       { // throw THIS exception
 	logger.error("Exception type: " + t.getClass().getName());
@@ -273,19 +299,6 @@ public class ScriptManager
 	throw new ScriptingException(source,lang,e.getMessage(),e);
       
     } // end if
-    else if (e.getReason()==BSFException.REASON_OTHER_ERROR)
-    { // usually indicates a compiler error in the scripting engine
-      logger.error("Script compilation error",e);
-      if (t!=null)
-      { // throw THIS exception
-	logger.error("Exception type: " + t.getClass().getName());
-	throw new ScriptingException(source,lang,e.getMessage(),t);
-
-      } // end if
-      else  // throw the regular old name
-	throw new ScriptingException(source,lang,e.getMessage(),e);
-
-    } // end else if
     else
     { // unknown exception type here!
       logger.error("Unknown BSFException in script execution (reason " + e.getReason() + ")",e);

src/com/silverwrist/venice/ui/script/ScriptManagerContainer.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -36,9 +36,9 @@ public class ScriptManagerContainer
    *--------------------------------------------------------------------------------
    */
 
-  private String temp_directory;
+  private String temp_directory;         // temporary directory for scripts
-  private LinkedList cached_engines;
+  private LinkedList cached_engines;     // list of cached engines
-  private ReferenceQueue rq_engines;
+  private ReferenceQueue rq_engines;     // reference queue of engines dumped from the cache
 
   /*--------------------------------------------------------------------------------
    * Constructor

src/com/silverwrist/venice/ui/script/ScriptSupport.java

@@ -0,0 +1,34 @@
+/*
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
+ * 
+ * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
+ * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
+ * language governing rights and limitations under the License.
+ * 
+ * The Original Code is the Venice Web Communities System.
+ * 
+ * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
+ * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
+ * Copyright (C) 2002 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.venice.ui.script;
+
+public interface ScriptSupport
+{
+  public abstract String getScriptName(String raw_name);
+
+  public abstract String getScriptName(boolean strip_ext);
+
+  public abstract String getScriptLoggerName(String raw_name);
+
+  public abstract String getScriptLoggerName();
+
+  public abstract String getRPCScriptName(String raw_name);
+
+  public abstract String getRPCScriptLoggerName(String raw_name);
+
+} // end interface ScriptSupport

src/com/silverwrist/venice/ui/servlet/BaseServlet.java

@@ -116,10 +116,8 @@ public abstract class BaseServlet extends HttpServlet
       RequestImpl the_request = null;
       try
       { // create the request object
-        the_request = new RequestImpl(ctxt,request,response,
+        the_request = new RequestImpl(ctxt,request,response,getVeniceEngine(ctxt),
-				      (VeniceEngine)(ctxt.getAttribute(ENGINE_ATTRIBUTE)),
+				      getRootConfig(ctxt),getSessionFactory());
-				      (RootConfig)(ctxt.getAttribute(UICONFIG_ATTRIBUTE)),
-				      getSessionFactory());
 
       } // end try
       catch (ValidationException ve)
@@ -252,6 +250,35 @@ public abstract class BaseServlet extends HttpServlet
 
   } // end translateServletException
 
+  /*--------------------------------------------------------------------------------
+   * Internal operations
+   *--------------------------------------------------------------------------------
+   */
+
+  protected final VeniceEngine getVeniceEngine(ServletContext ctxt)
+  {
+    return (VeniceEngine)(ctxt.getAttribute(ENGINE_ATTRIBUTE));
+
+  } // end getVeniceEngine
+
+  protected final VeniceEngine getVeniceEngine()
+  {
+    return this.getVeniceEngine(getServletContext());
+
+  } // end getVeniceEngine
+
+  protected final RootConfig getRootConfig(ServletContext ctxt)
+  {
+    return (RootConfig)(ctxt.getAttribute(UICONFIG_ATTRIBUTE));
+
+  } // end getRootConfig
+
+  protected final RootConfig getRootConfig()
+  {
+    return this.getRootConfig(getServletContext());
+
+  } // end getRootConfig
+
   /*--------------------------------------------------------------------------------
    * Overrides from class GenericServlet
    *--------------------------------------------------------------------------------

src/com/silverwrist/venice/ui/servlet/FrameServlet.java

@@ -195,7 +195,8 @@ public class FrameServlet extends BaseServlet
       rc = (FramedData)(cache.get(page_name));
       if (rc==null)
       { // we have to map the name to a static path and thence to a real filename
-	String locator = req.getStaticPath(page_name);
+	HTMLRendering html = (HTMLRendering)(req.queryService(HTMLRendering.class));
+	String locator = html.getStaticPath(page_name);
 	String real_path = req.mapPath(locator);
 	if (real_path==null)
 	{ // the mapper doesn't work!

src/com/silverwrist/venice/ui/servlet/HttpVeniceUISession.java

@@ -24,6 +24,7 @@ import org.apache.log4j.*;
 import com.silverwrist.venice.core.*;
 import com.silverwrist.venice.except.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.CookieControl;
 
 class HttpVeniceUISession implements VeniceUISession
 {
@@ -62,7 +63,7 @@ class HttpVeniceUISession implements VeniceUISession
       Cookie[] cookies = request.getCookies();
       for (int i=0; (venice_cookie==null) && (i<cookies.length); i++)
       { // look for a Venice authentication cookie
-	if (RequestInput.LOGIN_COOKIE.equals(cookies[i].getName()))
+	if (CookieControl.LOGIN_COOKIE.equals(cookies[i].getName()))
 	  venice_cookie = cookies[i];
 
       } // end for
@@ -171,12 +172,17 @@ class HttpVeniceUISession implements VeniceUISession
       try
       { // attempt authentication
 	if (!(user.authenticateWithToken(venice_cookie.getValue())))
-	  ri.deleteCookie(RequestInput.LOGIN_COOKIE);  // delete bogus cookie if it didn't work
+	{ // delete bogus cookie if it didn't work
+	  CookieControl cctl = (CookieControl)(ri.queryService(CookieControl.class));
+	  cctl.deleteCookie(CookieControl.LOGIN_COOKIE);
+
+	} // end if
 
       } // end try
       catch (DataException de)
       { // it didn't work...
-	ri.deleteCookie(RequestInput.LOGIN_COOKIE);
+	CookieControl cctl = (CookieControl)(ri.queryService(CookieControl.class));
+	cctl.deleteCookie(CookieControl.LOGIN_COOKIE);
 
       } // end catch
 

src/com/silverwrist/venice/ui/servlet/ScriptExecServlet.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -39,11 +39,13 @@ public class ScriptExecServlet extends BaseServlet
 
   public Object process(RequestInput req) throws Exception, ThrowableContent
   {
-    String script_file = req.getScriptName(true);
+    ScriptSupport ssup = (ScriptSupport)(req.queryService(ScriptSupport.class));
-    String logger_name = req.getScriptLoggerName();
+    String script_file = ssup.getScriptName(true);
+    String logger_name = ssup.getScriptLoggerName();
     if (logger.isDebugEnabled())
       logger.debug("EXECUTING " + script_file);
-    ScriptManager smgr = req.getScriptManager();
+
+    ScriptManager smgr = (ScriptManager)(req.queryService(ScriptManager.class));
     ScriptReturn sro = new ScriptReturn();
     smgr.exec(new File(script_file),logger_name,sro);
     return sro.get();

src/com/silverwrist/venice/ui/servlet/StyleSheetServlet.java

@@ -11,15 +11,18 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
 package com.silverwrist.venice.ui.servlet;
 
 import java.io.IOException;
+import java.lang.ref.SoftReference;
+import javax.servlet.ServletContext;
 import javax.servlet.http.HttpServletResponse;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.config.RootConfig;
 
 public class StyleSheetServlet extends BaseServlet
 {
@@ -49,6 +52,13 @@ public class StyleSheetServlet extends BaseServlet
 
   } // end class StyleSheetOutput
 
+  /*--------------------------------------------------------------------------------
+   * Attributes
+   *--------------------------------------------------------------------------------
+   */
+
+  private SoftReference ref_stylesheet = null;  // reference to stylesheet data
+
   /*--------------------------------------------------------------------------------
    * Implementations from class BaseServlet
    *--------------------------------------------------------------------------------
@@ -56,17 +66,38 @@ public class StyleSheetServlet extends BaseServlet
 
   public Object process(RequestInput req)
   {
-    String data;
+    String data = null;
-    try
+    ServletContext ctxt = getServletContext();
-    { // get the data from the request object
+    RootConfig config = getRootConfig(ctxt);
-      data = req.getStyleSheetData();
 
-    } // end try
+    if (config.usingStyleSheet())
-    catch (IOException e)
+    { // we need to load the stylesheet data...
-    { // we can't load it
+      synchronized (this)
-      data = null;
+      { // see if the stylesheet data has already been loaded
+	if (ref_stylesheet!=null)
+	  data = (String)(ref_stylesheet.get());
+	if ((data==null) || config.hasStyleSheetChanged())
+	{ // construct or reconstruct the stylesheet data, save a soft reference to it
+	  if (ref_stylesheet!=null)
+	    ref_stylesheet.clear();
+	  try
+	  { // retrieve the stylesheet data
+	    data = config.loadStyleSheetData();
+	    ref_stylesheet = new SoftReference(data);
 
-    } // end catch
+	  } // end try
+	  catch (IOException e)
+	  { // can't load the stylesheet
+	    data = null;
+
+	  } // end catch
+
+	} // end if
+
+      } // end synchronized block
+
+    } // end if
+    // else not using stylesheet data at all...
 
     return new StyleSheetOutput(data);
 

src/com/silverwrist/venice/ui/servlet/UserServlet.java

@@ -45,11 +45,13 @@ public class UserServlet extends BaseServlet
     req.setRequestAttribute("username",uname);
 
     // Set up to execute a script to handle this request.
-    String script_file = req.getScriptName(SCRIPT_EXEC);
+    ScriptSupport ssup = (ScriptSupport)(req.queryService(ScriptSupport.class));
-    String logger_name = req.getScriptLoggerName(SCRIPT_EXEC);
+    String script_file = ssup.getScriptName(SCRIPT_EXEC);
+    String logger_name = ssup.getScriptLoggerName(SCRIPT_EXEC);
     if (logger.isDebugEnabled())
       logger.debug("EXECUTING " + script_file);
-    ScriptManager smgr = req.getScriptManager();
+
+    ScriptManager smgr = (ScriptManager)(req.queryService(ScriptManager.class));
     ScriptReturn sro = new ScriptReturn();
     smgr.exec(new File(script_file),logger_name,sro);
     return sro.get();

src/com/silverwrist/venice/ui/sidebox/CommunityBox.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -24,6 +24,7 @@ import com.silverwrist.util.*;
 import com.silverwrist.venice.core.*;
 import com.silverwrist.venice.except.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 import com.silverwrist.venice.ui.helpers.ImageHandler;
 
 public class CommunityBox implements SideBoxFactory
@@ -33,7 +34,7 @@ public class CommunityBox implements SideBoxFactory
    *--------------------------------------------------------------------------------
    */
 
-  class CommunityBoxImpl implements ContentDirect, ColorSelectors, LinkTypes
+  class CommunityBoxImpl implements ContentDirect
   {
     private UserContext uc;
     private List comm_list;
@@ -82,9 +83,11 @@ public class CommunityBox implements SideBoxFactory
 
     public void render(RequestOutput out) throws IOException
     {
+      HTMLRendering html = (HTMLRendering)(out.queryService(HTMLRendering.class));
+
       if (comm_list.size()>0)
       { // load up the rendering data and render the contents of the list
-	String link_font = out.getFontTag(SIDEBOX_CONTENT_LINK,"sidebox");
+	String link_font = html.getFontTag(html.SIDEBOX_CONTENT_LINK,"sidebox");
 	out.write("<TABLE ALIGN=CENTER BORDER=0 CELLPADDING=0 CELLSPACING=2>\n");
 	Iterator it = comm_list.iterator();
 	while (it.hasNext())
@@ -93,7 +96,7 @@ public class CommunityBox implements SideBoxFactory
 	  out.write("<TR VALIGN=MIDDLE>\n<TD ALIGN=CENTER WIDTH=" + bullet.getWidth() + ">");
 	  bullet.render(out);
 	  out.write("</TD>\n<TD ALIGN=LEFT CLASS=\"sidebox\">\n<A CLASS=\"sidebox\" HREF=\""
-		    + out.formatURL("community/" + comm.getAlias(),SERVLET) + "\">" + link_font + "<B>"
+		    + html.formatURL("community/" + comm.getAlias(),html.SERVLET) + "\">" + link_font + "<B>"
 		    + StringUtil.encodeHTML(comm.getName()) + "</B></FONT></A>\n");
 
 	  if (comm.isAdmin())
@@ -111,17 +114,17 @@ public class CommunityBox implements SideBoxFactory
 
       } // end if
       else // write the "no communities" message
-	out.write(out.getFontTag(SIDEBOX_CONTENT_FOREGROUND,"sidebox") + "<EM>"
+	out.write(html.getFontTag(html.SIDEBOX_CONTENT_FOREGROUND,"sidebox") + "<EM>"
 		  + StringUtil.encodeHTML(null_message) + "</EM></FONT>\n");
 
       if (uc.isLoggedIn())
       { // write the links at the end
-	String hilite = out.getFontTag(SIDEBOX_CONTENT_LINK,"sidebox-footer");
+	String hilite = html.getFontTag(html.SIDEBOX_CONTENT_LINK,"sidebox-footer");
-	out.write("<P>" + out.getFontTag(SIDEBOX_CONTENT_FOREGROUND,"sidebox-footer")
+	out.write("<P>" + html.getFontTag(html.SIDEBOX_CONTENT_FOREGROUND,"sidebox-footer")
-		  + "<B>[ <A CLASS=\"sidebox\" HREF=\"" + out.formatURL("comm/sb_list.js.vs",SERVLET)
+		  + "<B>[ <A CLASS=\"sidebox\" HREF=\"" + html.formatURL("comm/sb_list.js.vs",html.SERVLET)
 		  + "\">" + hilite + StringUtil.encodeHTML(manage_link) + "</FONT></A> ");
 	if (uc.canCreateCommunity())
-	  out.write("| <A CLASS=\"sidebox\" HREF=\"" + out.formatURL("comm/create.js.vs",SERVLET) + "\">"
+	  out.write("| <A CLASS=\"sidebox\" HREF=\"" + html.formatURL("comm/create.js.vs",html.SERVLET) + "\">"
 		    + hilite + StringUtil.encodeHTML(create_new_link) + "</FONT></A> ");
 	out.write("]</B></FONT>");
 

src/com/silverwrist/venice/ui/sidebox/ConferenceBox.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -24,6 +24,7 @@ import com.silverwrist.util.*;
 import com.silverwrist.venice.core.*;
 import com.silverwrist.venice.except.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 import com.silverwrist.venice.ui.helpers.ImageHandler;
 
 public class ConferenceBox implements SideBoxFactory
@@ -33,7 +34,7 @@ public class ConferenceBox implements SideBoxFactory
    *--------------------------------------------------------------------------------
    */
 
-  class ConferenceBoxImpl implements ContentDirect, ColorSelectors, LinkTypes
+  class ConferenceBoxImpl implements ContentDirect
   {
     private UserContext uc;     // current user context
     private List hotlist;       // current conference hotlist
@@ -82,10 +83,13 @@ public class ConferenceBox implements SideBoxFactory
 
     public void render(RequestOutput out) throws IOException
     {
-      String norm_font = out.getFontTag(SIDEBOX_CONTENT_FOREGROUND,"sidebox");
+      HTMLRendering html = (HTMLRendering)(out.queryService(HTMLRendering.class));
+
+      String norm_font = html.getFontTag(html.SIDEBOX_CONTENT_FOREGROUND,"sidebox");
+
       if (hotlist.size()>0)
       { // write out the hotlist....
-	String hilite = out.getFontTag(SIDEBOX_CONTENT_LINK,"sidebox");
+	String hilite = html.getFontTag(html.SIDEBOX_CONTENT_LINK,"sidebox");
 	out.write("<TABLE ALIGN=CENTER BORDER=0 CELLPADDING=0 CELLSPACING=2>\n");
 	Iterator it = hotlist.iterator();
 	while (it.hasNext())
@@ -97,14 +101,14 @@ public class ConferenceBox implements SideBoxFactory
 	  out.write("<TR VALIGN=MIDDLE>\n<TD ALIGN=CENTER WIDTH=" + bullet.getWidth() + ">");
 	  bullet.render(out);
 	  out.write("</TD>\n<TD ALIGN=LEFT CLASS=\"sidebox\">\n" + norm_font
-		    + "<B><A CLASS=\"sidebox\" HREF=\"" + out.formatURL(href,SERVLET) + "\">" + hilite
+		    + "<B><A CLASS=\"sidebox\" HREF=\"" + html.formatURL(href,html.SERVLET) + "\">" + hilite
 		    + StringUtil.encodeHTML(conf.getName()) + "</FONT></A></B> ("
 		    + StringUtil.encodeHTML(conf.getEnclosingCommunity().getName()) + ")</FONT>\n");
 	  if (conf.anyUnread())
 	  { // write out the new-messages tag and its enclosing link
             href = "conf/read_new.js.vs?sig=" + conf.getEnclosingCommunity().getCommunityID() + "&conf="
                  + conf.getConfID();
-	    out.write("&nbsp;<A HREF=\"" + out.formatURL(href,SERVLET) + "\">");
+	    out.write("&nbsp;<A HREF=\"" + html.formatURL(href,html.SERVLET) + "\">");
 	    newmsg.render(out);
 	    out.write("</A>\n");
 
@@ -122,10 +126,10 @@ public class ConferenceBox implements SideBoxFactory
 
       if (uc.isLoggedIn())
       { // write the link at the end
-	out.write("<P>" + out.getFontTag(SIDEBOX_CONTENT_FOREGROUND,"sidebox-footer")
+	out.write("<P>" + html.getFontTag(html.SIDEBOX_CONTENT_FOREGROUND,"sidebox-footer")
-		  + "<B>[ <A CLASS=\"sidebox\" HREF=\"" + out.formatURL("conf/hotlist.js.vs",SERVLET) + "\">"
+		  + "<B>[ <A CLASS=\"sidebox\" HREF=\"" + html.formatURL("conf/hotlist.js.vs",html.SERVLET)
-		  + out.getFontTag(SIDEBOX_CONTENT_LINK,"sidebox-footer") + StringUtil.encodeHTML(manage_link)
+                  + "\">" + html.getFontTag(html.SIDEBOX_CONTENT_LINK,"sidebox-footer")
-		  + "</FONT></A> ]</B></FONT>");
+                  + StringUtil.encodeHTML(manage_link) + "</FONT></A> ]</B></FONT>");
 
       } // end if
 

src/com/silverwrist/venice/ui/view/AuditView.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -23,9 +23,10 @@ import javax.servlet.*;
 import com.silverwrist.util.StringUtil;
 import com.silverwrist.venice.core.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 import com.silverwrist.venice.ui.servlet.RequestImpl;
 
-public class AuditView implements ContentDirect, ColorSelectors, LinkTypes
+public class AuditView implements ContentDirect
 {
   /*--------------------------------------------------------------------------------
    * Static data members
@@ -114,33 +115,35 @@ public class AuditView implements ContentDirect, ColorSelectors, LinkTypes
 
   public void render(RequestOutput out) throws IOException
   {
+    HTMLRendering html = (HTMLRendering)(out.queryService(HTMLRendering.class));
     out.writeContentHeader(title,null);
 
     // Write the return URL
-    out.write("<DIV CLASS=\"content\">" + out.getFontTag(CONTENT_FOREGROUND,"content") + "<A HREF=\""
+    out.write("<DIV CLASS=\"content\">" + html.getFontTag(html.CONTENT_FOREGROUND,"content") + "<A HREF=\""
-              + out.formatURL(return_url,SERVLET) + "\">" + StringUtil.encodeHTML(return_text)
+              + html.formatURL(return_url,html.SERVLET) + "\">" + StringUtil.encodeHTML(return_text)
               + "</A></FONT></DIV>\n");
 
     // Write the informational and navigational table
     out.write("<TABLE WIDTH=\"100%\" BORDER=0><TR VALIGN=MIDDLE><TD ALIGN=LEFT CLASS=\"content\">"
-              + out.getFontTag(CONTENT_FOREGROUND,"content") + "\nDisplaying records <B>" + (offset+1)
+              + html.getFontTag(html.CONTENT_FOREGROUND,"content") + "\nDisplaying records <B>" + (offset+1)
 	      + "</B> to <B>" + last_index + "</B> of <B>" + total_count + "</B>\n"
 	      + "</FONT></TD><TD ALIGN=RIGHT>\n");
 
     if (prev_url==null)
-      out.write(out.getButtonVisual("_null_"));
+      out.write(html.getButtonVisual("_null_"));
     else
-      out.write("<A HREF=\"" + out.formatURL(prev_url,SERVLET) + "\">" + out.getButtonVisual("previous")
+      out.write("<A HREF=\"" + html.formatURL(prev_url,html.SERVLET) + "\">" + html.getButtonVisual("previous")
 		+ "</A>");
     out.write("&nbsp;");
     if (next_url==null)
-      out.write(out.getButtonVisual("_null_"));
+      out.write(html.getButtonVisual("_null_"));
     else
-      out.write("<A HREF=\"" + out.formatURL(next_url,SERVLET) + "\">" + out.getButtonVisual("next") + "</A>");
+      out.write("<A HREF=\"" + html.formatURL(next_url,html.SERVLET) + "\">" + html.getButtonVisual("next")
+                + "</A>");
     out.write("\n</TD></TR></TABLE>\n");
 
     // Start writing the table containing the actual audit records.
-    String tb_font = out.getFontTag(CONTENT_FOREGROUND,"content");
+    String tb_font = html.getFontTag(html.CONTENT_FOREGROUND,"content");
     out.write("<TABLE BORDER=0 CELLPADDING=0 CELLSPACING=3>\n<TR>\n<TH ALIGN=LEFT CLASS=\"content\" NOWRAP>"
 	      + tb_font + "<B>Date/Time</B></FONT></TH>\n<TH ALIGN=LEFT CLASS=\"content\" NOWRAP>"
 	      + tb_font + "<B>Description</B></FONT></TH>\n<TH ALIGN=LEFT CLASS=\"content\" NOWRAP>"
@@ -152,7 +155,7 @@ public class AuditView implements ContentDirect, ColorSelectors, LinkTypes
     while (it.hasNext())
     { // display each record in turn
       AuditData dat = (AuditData)(it.next());
-      out.write("<TR>\n<TD ALIGN=LEFT CLASS=\"content\" NOWRAP>" + tb_font + out.formatDate(dat.getDateTime())
+      out.write("<TR>\n<TD ALIGN=LEFT CLASS=\"content\" NOWRAP>" + tb_font + html.formatDate(dat.getDateTime())
                 + "</FONT></TD>\n<TD ALIGN=LEFT CLASS=\"content\" NOWRAP>" + tb_font
 		+ StringUtil.encodeHTML(dat.getDescription())
 		+ "</FONT></TD>\n<TD ALIGN=LEFT CLASS=\"content\" NOWRAP>" + tb_font

src/com/silverwrist/venice/ui/view/FindView.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -22,6 +22,7 @@ import javax.servlet.*;
 import com.silverwrist.venice.core.*;
 import com.silverwrist.venice.except.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 import com.silverwrist.venice.ui.servlet.RequestImpl;
 
 public class FindView implements ContentJSP
@@ -48,6 +49,7 @@ public class FindView implements ContentJSP
   private int display;                          // which display are we doing?
   private int max_results;                      // the maximum number of results displayed
   private RequestInput rinput = null;           // the RequestInput (during execution)
+  private HTMLRendering html = null;            // HTML Rendering module (during execution)
   private int field = -1;                       // search field indicator
   private int mode = -1;                        // search mode indicator
   private String term = null;                   // current search term
@@ -112,12 +114,14 @@ public class FindView implements ContentJSP
   public void initialize(RequestInput req)
   {
     rinput = req;
+    html = (HTMLRendering)(req.queryService(HTMLRendering.class));
 
   } // end initialize
 
   public void terminate(RequestInput req)
   {
     rinput = null;
+    html = null;
 
   } // end terminate
 
@@ -128,13 +132,13 @@ public class FindView implements ContentJSP
 
   public final String formatDate(Date date)
   {
-    return ((rinput==null) ? null : rinput.formatDate(date));
+    return ((html==null) ? null : html.formatDate(date));
 
   } // end formatDate
 
   public final String getActivityString(Date date)
   {
-    return (rinput==null) ? null : rinput.getActivityString(date);
+    return (html==null) ? null : html.getActivityString(date);
 
   } // end getActivityString
 

src/com/silverwrist/venice/ui/view/JSPView.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -22,6 +22,7 @@ import java.util.HashMap;
 import javax.servlet.*;
 import com.silverwrist.venice.core.CommunityContext;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 import com.silverwrist.venice.ui.servlet.RequestImpl;
 
 public class JSPView implements ContentJSP
@@ -36,6 +37,7 @@ public class JSPView implements ContentJSP
   private String qid = null;
   private String jsp_name;
   private RequestInput rinput = null;
+  private HTMLRendering html = null;
 
   /*--------------------------------------------------------------------------------
    * Constructor
@@ -92,12 +94,14 @@ public class JSPView implements ContentJSP
   public void initialize(RequestInput req)
   {
     rinput = req;
+    html = (HTMLRendering)(req.queryService(HTMLRendering.class));
 
   } // end initialize
 
   public void terminate(RequestInput req)
   {
     rinput = null;
+    html = null;
 
   } // end terminate
 
@@ -128,7 +132,7 @@ public class JSPView implements ContentJSP
 
   public final String formatDate(Date date)
   {
-    return ((rinput==null) ? null : rinput.formatDate(date));
+    return ((html==null) ? null : html.formatDate(date));
 
   } // end formatDate
 
@@ -140,7 +144,7 @@ public class JSPView implements ContentJSP
 
   public final String getActivityString(Date date)
   {
-    return ((rinput==null) ? null : rinput.getActivityString(date));
+    return ((html==null) ? null : html.getActivityString(date));
 
   } // end getActivityString
 

src/com/silverwrist/venice/ui/view/NestedJSPView.java

@@ -21,6 +21,7 @@ import java.util.Date;
 import javax.servlet.*;
 import com.silverwrist.venice.core.CommunityContext;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 import com.silverwrist.venice.ui.servlet.RequestImpl;
 
 public class NestedJSPView implements ContentJSP
@@ -33,6 +34,7 @@ public class NestedJSPView implements ContentJSP
   private Content outer;
   private String jspname;
   private RequestInput rinput = null;
+  private HTMLRendering html = null;
 
   /*--------------------------------------------------------------------------------
    * Constructor
@@ -89,12 +91,14 @@ public class NestedJSPView implements ContentJSP
   public void initialize(RequestInput req)
   {
     rinput = req;
+    html = (HTMLRendering)(req.queryService(HTMLRendering.class));
 
   } // end initialize
 
   public void terminate(RequestInput req)
   {
     rinput = null;
+    html = null;
 
   } // end terminate
 
@@ -117,7 +121,7 @@ public class NestedJSPView implements ContentJSP
 
   public final String formatDate(Date date)
   {
-    return ((rinput==null) ? null : rinput.formatDate(date));
+    return ((html==null) ? null : html.formatDate(date));
 
   } // end formatDate
 
@@ -129,7 +133,7 @@ public class NestedJSPView implements ContentJSP
 
   public final String getActivityString(Date date)
   {
-    return ((rinput==null) ? null : rinput.getActivityString(date));
+    return ((html==null) ? null : html.getActivityString(date));
 
   } // end getActivityString
 

src/com/silverwrist/venice/ui/view/PhotoUploader.java

@@ -20,6 +20,7 @@ package com.silverwrist.venice.ui.view;
 import java.util.*;
 import javax.servlet.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 import com.silverwrist.venice.ui.servlet.RequestImpl;
 
 public class PhotoUploader implements ContentJSP
@@ -115,7 +116,10 @@ public class PhotoUploader implements ContentJSP
 
   public final String getAction()
   {
-    return ((rinput==null) ? action : rinput.formatURL(action,action_type));
+    if (rinput==null)
+      return action;
+    HTMLRendering html = (HTMLRendering)(rinput.queryService(HTMLRendering.class));
+    return html.formatURL(action,action_type);
 
   } // end getAction
 

src/com/silverwrist/venice/ui/view/SideBoxNestedView.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -22,8 +22,9 @@ import javax.servlet.ServletException;
 import com.silverwrist.venice.core.UserContext;
 import com.silverwrist.venice.except.*;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 
-public class SideBoxNestedView implements ContentDirect, ColorSelectors, LinkTypes
+public class SideBoxNestedView implements ContentDirect
 {
   private Content inner;
   private Content[] sideboxes;
@@ -63,6 +64,8 @@ public class SideBoxNestedView implements ContentDirect, ColorSelectors, LinkTyp
 
   public void render(RequestOutput out) throws IOException
   {
+    HTMLRendering html = (HTMLRendering)(out.queryService(HTMLRendering.class));
+
     try
     { // Write out the start of the content structure.
       out.write("<TABLE BORDER=0 ALIGN=CENTER WIDTH=\"100%\" CELLPADDING=4 CELLSPACING=0><TR VALIGN=TOP>\n"
@@ -76,11 +79,11 @@ public class SideBoxNestedView implements ContentDirect, ColorSelectors, LinkTyp
       for (int i=0; i<sideboxes.length; i++)
       { // draw in the outer framework of the current sidebox
 	out.write("<TABLE ALIGN=CENTER WIDTH=200 BORDER=0 CELLPADDING=2 CELLSPACING=0><TR VALIGN=MIDDLE "
-		  + "BGCOLOR=\"" + out.getColor(SIDEBOX_TITLE_BACKGROUND)
+		  + "BGCOLOR=\"" + html.getColor(html.SIDEBOX_TITLE_BACKGROUND)
 		  + "\"><TD ALIGN=LEFT CLASS=\"sideboxtop\">\n"
-		  + out.getFontTag(SIDEBOX_TITLE_FOREGROUND,"sidebox-title") + "<B>"
+		  + html.getFontTag(html.SIDEBOX_TITLE_FOREGROUND,"sidebox-title") + "<B>"
 		  + sideboxes[i].getPageTitle(out) + "</B></FONT>\n</TD></TR><TR VALIGN=TOP BGCOLOR=\""
-		  + out.getColor(SIDEBOX_CONTENT_BACKGROUND) + "\"><TD ALIGN=LEFT CLASS=\"sidebox\">\n");
+		  + html.getColor(html.SIDEBOX_CONTENT_BACKGROUND) + "\"><TD ALIGN=LEFT CLASS=\"sidebox\">\n");
 
 	out.output(sideboxes[i]);    // output the sidebox content
 
@@ -90,8 +93,8 @@ public class SideBoxNestedView implements ContentDirect, ColorSelectors, LinkTyp
       } // end for
 
       if (do_configure) // write the Configure button below the sideboxes
-	out.write("<A HREF=\"" + out.formatURL("usr/sidebox.js.vs",SERVLET) + "\">"
+	out.write("<A HREF=\"" + html.formatURL("usr/sidebox.js.vs",html.SERVLET) + "\">"
-		  + out.getButtonVisual("configure") + "</A>\n");
+		  + html.getButtonVisual("configure") + "</A>\n");
 
       // Finish up.
       out.write("</TD>\n</TR></TABLE>");

src/com/silverwrist/venice/ui/view/TextMessage.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -21,8 +21,9 @@ import java.io.IOException;
 import java.util.*;
 import com.silverwrist.util.StringUtil;
 import com.silverwrist.venice.ui.*;
+import com.silverwrist.venice.ui.helpers.HTMLRendering;
 
-public class TextMessage implements ContentDirect, ColorSelectors
+public class TextMessage implements ContentDirect
 {
   /*--------------------------------------------------------------------------------
    * Internal class that holds button details
@@ -43,9 +44,9 @@ public class TextMessage implements ContentDirect, ColorSelectors
 
     } // end constructor
 
-    public final String getEquivalent(RequestOutput ro)
+    public final String getEquivalent(HTMLRendering html)
     {
-      return "<A HREF=\"" + ro.formatURL(link,linktype) + "\">" + ro.getButtonVisual(id) + "</A>";
+      return "<A HREF=\"" + html.formatURL(link,linktype) + "\">" + html.getButtonVisual(id) + "</A>";
 
     } // end getEquivalent
 
@@ -126,20 +127,22 @@ public class TextMessage implements ContentDirect, ColorSelectors
 
   public void render(RequestOutput out) throws IOException
   {
+    HTMLRendering html = (HTMLRendering)(out.queryService(HTMLRendering.class));
+
     if (render_buttons==null)
     { // pre-render the buttons
       render_buttons = new String[buttons.size()];
       for (int i=0; i<render_buttons.length; i++)
       { // pre-render the buttons into an array
 	Button b = (Button)(buttons.get(i));
-	render_buttons[i] = b.getEquivalent(out);
+	render_buttons[i] = b.getEquivalent(html);
 
       } // end for
 
     } // end if
 
     out.writeContentHeader(title,subtitle);
-    out.write(out.getFontTag(CONTENT_FOREGROUND,"content") + "\n" + text
+    out.write(html.getFontTag(html.CONTENT_FOREGROUND,"content") + "\n" + text
 	      + "</FONT><P>\n<DIV ALIGN=\"center\">\n" + StringUtil.join((Object[])render_buttons,"&nbsp;\n")
 	      + "</DIV>\n");
 

src/com/silverwrist/venice/util/ServiceProvider.java

@@ -0,0 +1,58 @@
+/*
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
+ * 
+ * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
+ * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
+ * language governing rights and limitations under the License.
+ * 
+ * The Original Code is the Venice Web Communities System.
+ * 
+ * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
+ * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
+ * Copyright (C) 2002 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.venice.util;
+
+/**
+ * An interface that is implemented by objects that wish to provide other interfaces or objects as
+ * services, instead of through inheritance or interface implementation.
+ *
+ * @author Eric J. Bowersox &lt;erbo@silcom.com&gt;
+ * @version X
+ */
+public interface ServiceProvider
+{
+  /**
+   * Queries this object for a specified service.
+   *
+   * @param klass The class of the object that should be returned as a service.
+   * @return A service object.  The service object is guaranteed to be of the class
+   *         specified by <CODE>klass</CODE>; that is, if <CODE>queryService(klass)</CODE>
+   *         yields some object <CODE>x</CODE>, then the expression <CODE>klass.isInstance(x)</CODE>
+   *         is true.
+   * @exception com.silverwrist.venice.except.NoSuchServiceException If no service is available in
+   *            the specified class.
+   */
+  public abstract Object queryService(Class klass);
+
+  /**
+   * Queries this object for a specified service.
+   *
+   * @param klass The class of the object that should be returned as a service.
+   * @param serviceid ID for the service to be requested, to further discriminate between requests.
+   * @return A service object.  The service object is guaranteed to be of the class
+   *         specified by <CODE>klass</CODE>; that is, if <CODE>queryService(klass)</CODE>
+   *         yields some object <CODE>x</CODE>, then the expression <CODE>klass.isInstance(x)</CODE>
+   *         is true.
+   * @exception com.silverwrist.venice.except.NoSuchServiceException If no service is available in
+   *            the specified class.
+   */
+  public abstract Object queryService(Class klass, String serviceid);
+
+} // end interface ServiceProvider
+
+