broke out the object cache functionality; generalized ReadOnlyVector;

finally implemented background sweeps of unreferenced cache objects;
anonymous user, when viewing profiles, now sees them as if all "privacy"
flags were switched on

TODO

@@ -2,20 +2,13 @@ Lots!
 
 - Unimplemented functions on the SIG Administration page:
   Set SIG Features (sigadmin, command=F)
-  View Audit Records (needs to be added)
 
 - Unimplemented functions in the system admin menu:
   Set Global Parameters
   View/Edit Banned Users
   User Account Management
-  View Audit Records (needs to be added)
   (More stuff needs to be added, I'm just not sure what.)
 
-- Should we provide the sysadmin the ability to disable SIG creation for
-  non-admin users?  Maybe there needs to be a "global" set of levels that
-  aren't hardcoded.  Where do they get stored?  The database?  (Maybe the
-  nice shiny new "globals" table?)
-
 - Unimplemented functions on the Top page:
   Customize Sideboxes
 

setup/database.sql

@@ -40,7 +40,8 @@ CREATE TABLE globals (
     max_sig_mbr_page INT NOT NULL,
     max_conf_mbr_page INT NOT NULL,
     fp_posts INT NOT NULL,
-    num_audit_page INT NOT NULL
+    num_audit_page INT NOT NULL,
+    sig_create_lvl INT NOT NULL
 );
 
 # The audit records table.  Most "major" events add a record to this table.
@@ -1325,8 +1326,8 @@ INSERT INTO refsigftr (ftr_code, is_default, is_locked, is_hidden, require_read,
 
 # Initialize the system globals table.
 INSERT INTO globals (posts_per_page, old_posts_at_top, max_search_page, max_sig_mbr_page, max_conf_mbr_page,
-                     fp_posts, num_audit_page)
-    VALUES (20, 2, 20, 50, 50, 10, 100);
+                     fp_posts, num_audit_page, sig_create_lvl)
+    VALUES (20, 2, 20, 50, 50, 10, 100, 1000);
 
 # Add the 'Anonymous Honyak' user to the users table.
 # (Do 'SELECT * FROM users WHERE is_anon = 1' to retrieve the AC user details.)

src/com/silverwrist/util/collections/ReadOnlyVector.java

@@ -7,7 +7,7 @@
  * 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 Community System.
+ * 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
@@ -15,11 +15,11 @@
  * 
  * Contributor(s): 
  */
-package com.silverwrist.venice.core.impl;
+package com.silverwrist.util.collections;
 
 import java.util.*;
 
-class ReadOnlyVector extends AbstractList
+public class ReadOnlyVector extends AbstractList
 {
   /*--------------------------------------------------------------------------------
    * Attributes
@@ -33,7 +33,7 @@ class ReadOnlyVector extends AbstractList
    *--------------------------------------------------------------------------------
    */
 
-  ReadOnlyVector(Vector vec)
+  public ReadOnlyVector(Vector vec)
   {
     my_vec = vec;
     my_vec.trimToSize();
@@ -70,4 +70,3 @@ class ReadOnlyVector extends AbstractList
   } // end size
 
 } // end class ReadOnlyVector
-

src/com/silverwrist/util/rcache/ReferenceCache.java

@@ -0,0 +1,162 @@
+/*
+ * 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) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.util.rcache;
+
+import java.util.*;
+import com.silverwrist.util.collections.*;
+
+public class ReferenceCache
+{
+  /*--------------------------------------------------------------------------------
+   * Attributes
+   *--------------------------------------------------------------------------------
+   */
+
+  private HashMap the_data;
+
+  /*--------------------------------------------------------------------------------
+   * Constructor
+   *--------------------------------------------------------------------------------
+   */
+
+  public ReferenceCache()
+  {
+    the_data = new HashMap();
+
+  } // end constructor
+
+  /*--------------------------------------------------------------------------------
+   * External operations
+   *--------------------------------------------------------------------------------
+   */
+
+  public synchronized ReferencedData get(Object key)
+  {
+    ReferencedData rc = (ReferencedData)(the_data.get(key));
+    if (rc!=null)
+      rc.rd_addRef();
+    return rc;
+
+  } // end get
+
+  public synchronized ReferencedData getOrCreate(Object key, ReferencedDataBuilder builder)
+      throws ReferencedDataBuilderException
+  {
+    ReferencedData rc = (ReferencedData)(the_data.get(key));
+    if (rc==null)
+    { // use the builder to build one
+      rc = builder.build(key);
+      if (rc!=null)
+	the_data.put(key,rc);
+
+    } // end if
+    else  // just add a reference
+      rc.rd_addRef();
+
+    return rc;
+
+  } // end getOrCreate
+
+  public void register(ReferencedData data)
+  {
+    Object key = data.rd_getKey();
+
+    synchronized (this)
+    { // see if it's in the cache, if not, add it
+      if (the_data.get(key)!=null)
+	throw new ReferenceCacheException("object already in cache",key);
+
+      // dump it in the object cache
+      the_data.put(key,data);
+
+    } // end synchronized block
+    
+  } // end register
+
+  public synchronized void detach(Object key)
+  {
+    the_data.remove(key);
+
+  } // end detach
+
+  public void sweep()
+  {
+    int count = 0;
+
+    synchronized (this)
+    { // bail out early if possible
+      if (the_data.size()==0)
+	return;
+
+      // provide a storage bin for all keys we decide to 86
+      Object keyzap[] = new Object[the_data.size()];
+      Iterator it = the_data.values().iterator();
+
+      while (it.hasNext())
+      { // check each value we contain in turn
+	ReferencedData rd = (ReferencedData)(it.next());
+	if (rd.rd_unreferenced())
+	  keyzap[count++] = rd.rd_getKey();
+
+      } // end while
+
+      for (int i=0; i<count; i++)
+	the_data.remove(keyzap[i]);
+
+    } // end synchronized block
+
+  } // end sweep
+
+  public List sweepReturn()
+  {
+    Vector rc = new Vector();
+    int count = 0;
+
+    synchronized (this)
+    { // bail out early if possible
+      if (the_data.size()>0)
+      { // provide a storage bin for all keys we decide to 86
+	Object keyzap[] = new Object[the_data.size()];
+	Iterator it = the_data.values().iterator();
+
+	while (it.hasNext())
+	{ // check each value we contain in turn
+	  ReferencedData rd = (ReferencedData)(it.next());
+	  if (rd.rd_unreferenced())
+	    keyzap[count++] = rd.rd_getKey();
+	  else
+	  { // add another reference and tack it onto the list
+	    rd.rd_addRef();
+	    rc.add(rd);
+
+	  } // end else
+
+	} // end while
+
+	for (int i=0; i<count; i++)
+	  the_data.remove(keyzap[i]);
+
+      } // end if
+
+    } // end synchronized block
+
+    return new ReadOnlyVector(rc);
+
+  } // end sweepReturn
+
+} // end ReferenceCache

src/com/silverwrist/util/rcache/ReferenceCacheException.java

@@ -0,0 +1,52 @@
+/*
+ * 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) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.util.rcache;
+
+public class ReferenceCacheException extends RuntimeException
+{
+  /*--------------------------------------------------------------------------------
+   * Attributes
+   *--------------------------------------------------------------------------------
+   */
+
+  private Object keyval;
+
+  /*--------------------------------------------------------------------------------
+   * Constructor
+   *--------------------------------------------------------------------------------
+   */
+
+  public ReferenceCacheException(String msg, Object keyval)
+  {
+    super("[keyval " + keyval.toString() + "]: " + msg);
+    this.keyval = keyval;
+
+  } // end constructor
+
+  /*--------------------------------------------------------------------------------
+   * External operations
+   *--------------------------------------------------------------------------------
+   */
+
+  public Object getKeyVal()
+  {
+    return keyval;
+
+  } // end getKeyVal
+
+} // end class ReferenceCacheException

src/com/silverwrist/util/rcache/ReferencedData.java

@@ -7,7 +7,7 @@
  * 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 Community System.
+ * 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
@@ -15,7 +15,7 @@
  * 
  * Contributor(s): 
  */
-package com.silverwrist.venice.core.impl;
+package com.silverwrist.util.rcache;
 
 public interface ReferencedData
 {
@@ -25,4 +25,6 @@ public interface ReferencedData
 
   public abstract boolean rd_unreferenced();
 
+  public abstract Object rd_getKey();
+
 } // end interface ReferencedData

src/com/silverwrist/util/rcache/ReferencedDataBuilder.java

@@ -0,0 +1,24 @@
+/*
+ * 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) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.util.rcache;
+
+public interface ReferencedDataBuilder
+{
+  public abstract ReferencedData build(Object key) throws ReferencedDataBuilderException;
+
+} // end interface ReferencedDataBuilder

src/com/silverwrist/util/rcache/ReferencedDataBuilderException.java

@@ -0,0 +1,52 @@
+/*
+ * 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) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.util.rcache;
+
+public class ReferencedDataBuilderException extends Exception
+{
+  /*--------------------------------------------------------------------------------
+   * Attributes
+   *--------------------------------------------------------------------------------
+   */
+
+  private Exception target;
+
+  /*--------------------------------------------------------------------------------
+   * Constructors
+   *--------------------------------------------------------------------------------
+   */
+
+  public ReferencedDataBuilderException(Exception target)
+  {
+    super("Error building new object: " + target.getMessage());
+    this.target = target;
+
+  } // end constructor
+
+  /*--------------------------------------------------------------------------------
+   * External operations
+   *--------------------------------------------------------------------------------
+   */
+
+  public Exception getTarget()
+  {
+    return target;
+
+  } // end getTarget
+
+} // end class ReferencedDataBuilderException

src/com/silverwrist/venice/core/impl/BackgroundSIGPurge.java

@@ -21,6 +21,7 @@ import java.sql.*;
 import java.util.*;
 import org.apache.log4j.*;
 import com.silverwrist.util.ParallelRunQueue;
+import com.silverwrist.util.rcache.ReferenceCache;
 import com.silverwrist.venice.db.*;
 import com.silverwrist.venice.core.DataException;
 import com.silverwrist.venice.core.InternalStateError;
@@ -45,7 +46,7 @@ class BackgroundSIGPurge implements Runnable
   private int sigid;
   private int num_confs;
   private int max_confid;
-  private Hashtable conf_objects;
+  private ReferenceCache conf_refcache;
 
   /*--------------------------------------------------------------------------------
    * Constructor
@@ -53,7 +54,7 @@ class BackgroundSIGPurge implements Runnable
    */
 
   BackgroundSIGPurge(EngineBackend engine, DataPool datapool, UserBackend user, int sigid, int num_confs,
-		     int max_confid, Hashtable conf_objects)
+		     int max_confid, ReferenceCache conf_refcache)
   {
     this.engine = engine;
     this.datapool = datapool;
@@ -61,7 +62,7 @@ class BackgroundSIGPurge implements Runnable
     this.sigid = sigid;
     this.num_confs = num_confs;
     this.max_confid = max_confid;
-    this.conf_objects = conf_objects;
+    this.conf_refcache = conf_refcache;
 
   } // end constructor
 
@@ -100,10 +101,10 @@ class BackgroundSIGPurge implements Runnable
       for (int i=0; i<conferences; i++)
       { // look to see if there's a conference SIG object first
 	Integer key = new Integer(conf_ids[i]);
-	ConferenceSIGContext confobj = (ConferenceSIGContext)(conf_objects.get(key));
+	ConferenceSIGContext confobj = (ConferenceSIGContext)(conf_refcache.get(key));
 	if (confobj!=null)
 	{ // OK, there's an object - do the delete internally and release the object
-	  conf_objects.remove(key);
+	  conf_refcache.detach(key);
 	  confobj.delete(user);
 	  confobj.rd_release();
 	  

src/com/silverwrist/venice/core/impl/CategoryDescriptorImpl.java

@@ -20,6 +20,7 @@ package com.silverwrist.venice.core.impl;
 import java.sql.*;
 import java.util.*;
 import org.apache.log4j.*;
+import com.silverwrist.util.collections.*;
 import com.silverwrist.venice.db.*;
 import com.silverwrist.venice.core.*;
 

src/com/silverwrist/venice/core/impl/ConferenceCoreData.java

@@ -20,6 +20,7 @@ package com.silverwrist.venice.core.impl;
 import java.sql.*;
 import java.util.*;
 import org.apache.log4j.*;
+import com.silverwrist.util.collections.*;
 import com.silverwrist.venice.db.*;
 import com.silverwrist.venice.security.AuditRecord;
 import com.silverwrist.venice.security.DefaultLevels;
@@ -185,6 +186,12 @@ class ConferenceCoreData implements ConferenceData
 
   } // end rd_unreferenced
 
+  public Object rd_getKey()
+  {
+    return new Integer(confid);
+
+  } // end rd_getKey
+
   /*--------------------------------------------------------------------------------
    * Implementations from interface ConferenceData
    *--------------------------------------------------------------------------------

src/com/silverwrist/venice/core/impl/ConferenceData.java

@@ -20,6 +20,7 @@ package com.silverwrist.venice.core.impl;
 import java.sql.Connection;
 import java.util.Date;
 import java.util.List;
+import com.silverwrist.util.rcache.ReferencedData;
 import com.silverwrist.venice.core.DataException;
 
 public interface ConferenceData extends ReferencedData

src/com/silverwrist/venice/core/impl/ConferenceSIGContext.java

@@ -20,6 +20,7 @@ package com.silverwrist.venice.core.impl;
 import java.sql.Connection;
 import java.util.Date;
 import java.util.List;
+import com.silverwrist.util.rcache.ReferencedData;
 import com.silverwrist.venice.core.DataException;
 
 public interface ConferenceSIGContext extends ReferencedData

src/com/silverwrist/venice/core/impl/ConferenceSIGContextImpl.java

@@ -261,6 +261,12 @@ class ConferenceSIGContextImpl implements ConferenceSIGContext
 
   } // end rd_unreferences
 
+  public Object rd_getKey()
+  {
+    return new Integer(confid);
+
+  } // end rd_getKey
+
   /*--------------------------------------------------------------------------------
    * Implementations from interface ConferenceSIGContext
    *--------------------------------------------------------------------------------

src/com/silverwrist/venice/core/impl/ConferenceUserContextImpl.java

@@ -20,6 +20,8 @@ package com.silverwrist.venice.core.impl;
 import java.sql.*;
 import java.util.*;
 import org.apache.log4j.*;
+import com.silverwrist.util.collections.*;
+import com.silverwrist.util.rcache.ReferencedData;
 import com.silverwrist.venice.db.*;
 import com.silverwrist.venice.htmlcheck.*;
 import com.silverwrist.venice.security.DefaultLevels;
@@ -237,6 +239,8 @@ class ConferenceUserContextImpl implements ConferenceContext, ConferenceBackend
       if (deleted)
 	throw new DataException("This conference has been deleted.");
       confdata = sig.getConferenceDataObject(confid);
+      if (confdata!=null)
+	sig.saveMRU("conf",confdata);
 
       // clear cache when we get the real confdata
       cache = null;
@@ -257,6 +261,8 @@ class ConferenceUserContextImpl implements ConferenceContext, ConferenceBackend
       try
       { // attempt to load the ConferenceSIGContext
 	confdata = sig.getConferenceDataObject(confid);
+	if (confdata!=null)
+	  sig.saveMRU("conf",confdata);
 
       } // end try
       catch (DataException e)
@@ -1476,6 +1482,12 @@ class ConferenceUserContextImpl implements ConferenceContext, ConferenceBackend
 
   } // end realFullName
 
+  public void saveMRU(String tag, ReferencedData data)
+  {
+    sig.saveMRU(tag,data);
+
+  } // end saveMRU
+
   /*--------------------------------------------------------------------------------
    * Implementations from interface SIGBackend
    *--------------------------------------------------------------------------------

src/com/silverwrist/venice/core/impl/EngineBackend.java

@@ -38,6 +38,8 @@ public interface EngineBackend
   public static final int IP_MAXCONFMEMBERDISPLAY = 4;
   public static final int IP_NUMFRONTPAGEPOSTS = 5;
   public static final int IP_NUMAUDITRECSPERPAGE = 6;
+  public static final int IP_CREATESIGLVL = 7;
+  public static final int IPC_NUM_PARAMS = 8;
 
   public abstract SimpleEmailer createEmailer();
 

src/com/silverwrist/venice/core/impl/SIGCoreData.java

@@ -21,6 +21,8 @@ import java.sql.*;
 import java.util.*;
 import org.apache.log4j.*;
 import com.silverwrist.util.StringUtil;
+import com.silverwrist.util.collections.*;
+import com.silverwrist.util.rcache.*;
 import com.silverwrist.venice.db.*;
 import com.silverwrist.venice.core.*;
 import com.silverwrist.venice.security.AuditRecord;
@@ -29,6 +31,35 @@ import com.silverwrist.venice.security.DefaultLevels;
 
 class SIGCoreData implements SIGData, SIGDataBackend
 {
+  /*--------------------------------------------------------------------------------
+   * Internal class that creates new ConferenceSIGContextImpl objects
+   *--------------------------------------------------------------------------------
+   */
+
+  protected class ConferenceSIGContextImplCreator implements ReferencedDataBuilder
+  {
+    protected ConferenceSIGContextImplCreator()
+    { // do nothing
+    } // end constructor
+
+    public ReferencedData build(Object key) throws ReferencedDataBuilderException
+    {
+      Integer xconf = (Integer)key;
+      try
+      { // create the desired object
+	return new ConferenceSIGContextImpl(engine,SIGCoreData.this,datapool,xconf.intValue());
+
+      } // end try
+      catch (DataException e)
+      { // rethrow as a "wrapped" exception
+	throw new ReferencedDataBuilderException(e);
+
+      } // end catch
+
+    } // end build
+
+  } // end class ConferenceCoreDataCreator
+
   /*--------------------------------------------------------------------------------
    * Static data members
    *--------------------------------------------------------------------------------
@@ -68,7 +99,8 @@ class SIGCoreData implements SIGData, SIGDataBackend
   private String alias;                 // the community alias value
   private boolean public_sig;           // is this a public SIG?
   private BitSet features;              // set of available features
-  private Hashtable conf_objects = new Hashtable();    // holder for ConferenceSIGContextImpl objects
+  private ReferenceCache conf_refcache = new ReferenceCache();
+  private ConferenceSIGContextImplCreator conf_creator = new ConferenceSIGContextImplCreator();
   private boolean deleted = false;      // has this SIG been deleted?
 
   /*--------------------------------------------------------------------------------
@@ -258,6 +290,12 @@ class SIGCoreData implements SIGData, SIGDataBackend
 
   } // end rd_unreferenced
 
+  public Object rd_getKey()
+  {
+    return new Integer(sigid);
+
+  } // end rd_getKey
+
   /*--------------------------------------------------------------------------------
    * Implementations from interface SIGData
    *--------------------------------------------------------------------------------
@@ -1393,25 +1431,21 @@ class SIGCoreData implements SIGData, SIGDataBackend
     if (logger.isDebugEnabled())
       logger.debug("getConferenceDataObject(" + confid + ")...");
 
-    Integer the_confid = new Integer(confid);
-    ConferenceSIGContext csc = (ConferenceSIGContext)(conf_objects.get(the_confid));
-    if (csc==null)
-    { // create a new ConferenceSIGContextImpl object and save it off
-      csc = new ConferenceSIGContextImpl(engine,this,datapool,confid);
-      conf_objects.put(the_confid,csc);
-      if (logger.isDebugEnabled())
-	logger.debug("...created new object");
+    try
+    { // delegate to the conf_refcache and conf_creator objects
+      return (ConferenceSIGContext)(conf_refcache.getOrCreate(new Integer(confid),conf_creator));
 
-    } // end if
+    } // end try
+    catch (ReferencedDataBuilderException e)
+    { // this may be a DataException, or it may not
+      Exception e2 = e.getTarget();
+      if (e2 instanceof DataException)
+	throw (DataException)e2;
       else
-    { // this is an extra reference to the ConferenceSIGContext
-      csc.rd_addRef();
-      if (logger.isDebugEnabled())
-	logger.debug("...using cached object");
+	throw new InternalStateError("unknown creation exception thrown in getConferenceDataObject: "
+				     + e2.getClass().getName(),e2);
 
-    } // end else
-
-    return csc;
+    } // end catch
 
   } // end getConferenceDataObject
 
@@ -1420,16 +1454,7 @@ class SIGCoreData implements SIGData, SIGDataBackend
     if (logger.isDebugEnabled())
       logger.debug("detachConferenceDataObject(" + confid + ")...");
 
-    Integer the_confid = new Integer(confid);
-    ConferenceSIGContext csc = (ConferenceSIGContext)(conf_objects.get(the_confid));
-    if (csc!=null)
-    { // remove from the hashtable
-      conf_objects.remove(the_confid);
-      csc.rd_release();
-      if (logger.isDebugEnabled())
-	logger.debug("...reference released");
-
-    } // end if
+    conf_refcache.detach(new Integer(confid));
 
   } // end detachConferenceDataObject
 
@@ -1452,17 +1477,7 @@ class SIGCoreData implements SIGData, SIGDataBackend
     cdata.rd_release();
     rcs = null;
 
-    synchronized (this)
-    { // Register this object with our local cache of ConferenceSIGData objects.
-      Integer the_confid = new Integer(conf.getConfID());
-      if (conf_objects.get(the_confid)!=null)
-	throw new InternalStateError("ConfID " + the_confid + " already exists...but it CAN'T HAVE!");
-
-      // throw an extra reference on it and dump it in the object cache
-      conf.rd_addRef();
-      conf_objects.put(the_confid,conf);
-
-    } // end synchronized block
+    conf_refcache.register(conf);  // register this object with our local cache
 
     return conf;  // pass it up to the next level
 
@@ -1853,13 +1868,19 @@ class SIGCoreData implements SIGData, SIGDataBackend
 
     // Delete the rest of the gunk in the background; use another thread to do it.
     BackgroundSIGPurge purger = new BackgroundSIGPurge(engine,datapool,user,sigid,conf_count,conf_max,
-						       conf_objects);
+						       conf_refcache);
     Thread thrd = new Thread(purger);
     thrd.setPriority(Thread.NORM_PRIORITY-1);
     thrd.start();
 
   } // end delete
 
+  public void sweepCache()
+  {
+    conf_refcache.sweep();
+
+  } // end sweepCache
+
   /*--------------------------------------------------------------------------------
    * Implementations from interface SIGDataBackend
    *--------------------------------------------------------------------------------

src/com/silverwrist/venice/core/impl/SIGData.java

@@ -7,7 +7,7 @@
  * 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 Community System.
+ * 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
@@ -20,6 +20,7 @@ package com.silverwrist.venice.core.impl;
 import java.util.BitSet;
 import java.util.Date;
 import java.util.List;
+import com.silverwrist.util.rcache.ReferencedData;
 import com.silverwrist.venice.core.AccessError;
 import com.silverwrist.venice.core.ContactInfo;
 import com.silverwrist.venice.core.DataException;
@@ -150,4 +151,6 @@ public interface SIGData extends ReferencedData
 
   public abstract void delete(UserBackend user) throws DataException;
 
+  public abstract void sweepCache();
+
 } // end interface SIGData

src/com/silverwrist/venice/core/impl/SIGUserContextImpl.java

@@ -21,6 +21,8 @@ import java.sql.*;
 import java.util.*;
 import org.apache.log4j.*;
 import com.silverwrist.util.StringUtil;
+import com.silverwrist.util.collections.*;
+import com.silverwrist.util.rcache.ReferencedData;
 import com.silverwrist.venice.db.*;
 import com.silverwrist.venice.security.AuditRecord;
 import com.silverwrist.venice.security.Capability;
@@ -180,6 +182,8 @@ class SIGUserContextImpl implements SIGContext, SIGBackend
       if (deleted)
 	throw new DataException("This SIG has been deleted.");
       sigdata = engine.getSIGDataObject(sigid);
+      if (sigdata!=null)
+	user.saveMRU("sig",sigdata);
 
       // clear cache when we get the real sigdata
       cache = null;
@@ -199,6 +203,8 @@ class SIGUserContextImpl implements SIGContext, SIGBackend
       try
       { // attempt to load the SIGDataObject
 	sigdata = engine.getSIGDataObject(sigid);
+	if (sigdata!=null)
+	  user.saveMRU("sig",sigdata);
 
       } // end try
       catch (DataException e)
@@ -1397,6 +1403,12 @@ class SIGUserContextImpl implements SIGContext, SIGBackend
 
   } // end realFullName
 
+  public void saveMRU(String tag, ReferencedData data)
+  {
+    user.saveMRU(tag,data);
+
+  } // end saveMRU
+
   /*--------------------------------------------------------------------------------
    * Implementations from interface SIGBackend
    *--------------------------------------------------------------------------------

src/com/silverwrist/venice/core/impl/TopicMessageUserContextImpl.java

@@ -22,6 +22,7 @@ import java.sql.*;
 import java.util.*;
 import org.apache.log4j.*;
 import com.silverwrist.util.StringUtil;
+import com.silverwrist.util.collections.*;
 import com.silverwrist.venice.db.*;
 import com.silverwrist.venice.security.AuditRecord;
 import com.silverwrist.venice.security.Capability;

src/com/silverwrist/venice/core/impl/TopicUserContextImpl.java

@@ -20,6 +20,7 @@ package com.silverwrist.venice.core.impl;
 import java.sql.*;
 import java.util.*;
 import org.apache.log4j.*;
+import com.silverwrist.util.collections.*;
 import com.silverwrist.venice.db.*;
 import com.silverwrist.venice.htmlcheck.*;
 import com.silverwrist.venice.security.AuditRecord;

src/com/silverwrist/venice/core/impl/UserBackend.java

@@ -17,6 +17,7 @@
  */
 package com.silverwrist.venice.core.impl;
 
+import com.silverwrist.util.rcache.ReferencedData;
 import com.silverwrist.venice.core.DataException;
 
 public interface UserBackend
@@ -37,4 +38,6 @@ public interface UserBackend
 
   public abstract String realFullName() throws DataException;
 
+  public abstract void saveMRU(String tag, ReferencedData data);
+
 } // end interface UserBackend

src/com/silverwrist/venice/core/impl/UserContextImpl.java

@@ -22,6 +22,8 @@ import java.sql.*;
 import org.apache.log4j.*;
 import com.silverwrist.util.LocaleFactory;
 import com.silverwrist.util.StringUtil;
+import com.silverwrist.util.collections.*;
+import com.silverwrist.util.rcache.ReferencedData;
 import com.silverwrist.venice.*;
 import com.silverwrist.venice.core.*;
 import com.silverwrist.venice.db.*;
@@ -62,6 +64,7 @@ class UserContextImpl implements UserContext, UserBackend
   private String full_name = null;         // my full name (cached)
   private Locale my_locale = null;         // my default locale (cached)
   private TimeZone my_tz = null;           // my default timezone (cached)
+  private Hashtable mru_cache = new Hashtable();  // MRU cache for ReferencedData objects
 
   /*--------------------------------------------------------------------------------
    * Constructor
@@ -82,6 +85,14 @@ class UserContextImpl implements UserContext, UserBackend
 
   protected void finalize()
   {
+    Iterator it = mru_cache.values().iterator();
+    while (it.hasNext())
+    { // release all our ReferencedData objects
+      ReferencedData rd = (ReferencedData)(it.next());
+      rd.rd_release();
+
+    } // end while
+
     engine = null;
     datapool = null;
     username = null;
@@ -860,10 +871,10 @@ class UserContextImpl implements UserContext, UserBackend
   public SIGContext createSIG(String name, String alias, String language, String synopsis, String rules,
 			      String joinkey, int hide_mode) throws DataException, AccessError
   {
-    if (!(Capability.canCreateSIG(level)))
+    if (!canCreateSIG())
       throw new AccessError("You are not authorized to create new SIGs.");
 
-    // Convert the "hide mode" value int othe two hide flags.
+    // Convert the "hide mode" value into the two hide flags.
     boolean hide_dir = (hide_mode!=SIGContext.HIDE_NONE);
     boolean hide_search = (hide_mode==SIGContext.HIDE_BOTH);
 
@@ -884,7 +895,7 @@ class UserContextImpl implements UserContext, UserBackend
 
   public boolean canCreateSIG()
   {
-    return Capability.canCreateSIG(level);
+    return (level>=engine.getParamInt(EngineBackend.IP_CREATESIGLVL));
 
   } // end canCreateSIG
 
@@ -1102,6 +1113,16 @@ class UserContextImpl implements UserContext, UserBackend
 
   } // end realFullName
 
+  public void saveMRU(String tag, ReferencedData data)
+  {
+    ReferencedData old = (ReferencedData)(mru_cache.get(tag));
+    data.rd_addRef();
+    mru_cache.put(tag,data);
+    if (old!=null)
+      old.rd_release();
+
+  } // end saveMRU
+
   /*--------------------------------------------------------------------------------
    * Operations private to implementation package
    *--------------------------------------------------------------------------------

src/com/silverwrist/venice/core/impl/UserProfileImpl.java

@@ -156,6 +156,7 @@ class UserProfileImpl implements UserProfile
     ResultSet rs = stmt.executeQuery(sql.toString());
     if (rs.next())
     { // load all the record data
+      boolean me_anon = user.userIsAnonymous();
       given_name = rs.getString("given_name");
       family_name = rs.getString("family_name");
       String blort = rs.getString("middle_init");
@@ -166,7 +167,7 @@ class UserProfileImpl implements UserProfile
       prefix = rs.getString("prefix");
       suffix = rs.getString("suffix");
       company = rs.getString("company");
-      if (!override && rs.getBoolean("pvt_addr"))
+      if (!override && (me_anon || rs.getBoolean("pvt_addr")))
       { // enforce address privacy
 	addr1 = null;
 	addr2 = null;
@@ -183,7 +184,7 @@ class UserProfileImpl implements UserProfile
       region = rs.getString("region");
       postal_code = rs.getString("pcode");
       country = rs.getString("country");
-      if (!override && rs.getBoolean("pvt_phone"))
+      if (!override && (me_anon || rs.getBoolean("pvt_phone")))
       { // enforce phone privacy
 	phone = null;
 	mobile = null;
@@ -196,13 +197,13 @@ class UserProfileImpl implements UserProfile
 
       } // end else
 
-      if (!override && rs.getBoolean("pvt_fax"))
+      if (!override && (me_anon || rs.getBoolean("pvt_fax")))
 	fax = null;
       else
 	fax = rs.getString("fax");
 
       real_email = rs.getString("email");
-      if (!override && rs.getBoolean("pvt_email"))
+      if (!override && (me_anon || rs.getBoolean("pvt_email")))
 	email = null;
       else
 	email = real_email;

src/com/silverwrist/venice/core/impl/VeniceEngineImpl.java

@@ -23,6 +23,8 @@ import org.apache.log4j.*;
 import org.w3c.dom.*;
 import com.silverwrist.util.StringUtil;
 import com.silverwrist.util.DOMElementHelper;
+import com.silverwrist.util.collections.*;
+import com.silverwrist.util.rcache.*;
 import com.silverwrist.venice.core.*;
 import com.silverwrist.venice.db.*;
 import com.silverwrist.venice.htmlcheck.*;
@@ -278,6 +280,104 @@ public class VeniceEngineImpl implements VeniceEngine, EngineBackend
 
   } // end class MasterSideBoxList
 
+  /*--------------------------------------------------------------------------------
+   * Internal cache sweeper class information.
+   *--------------------------------------------------------------------------------
+   */
+
+  protected class CacheSweeper implements Runnable
+  {
+    public void run()
+    {
+      for (;;)
+      { // this is a background thread that runs always
+	try
+	{ // wait for a little while
+	  Thread.sleep(10000);
+
+	} // end try
+	catch (InterruptedException e)
+	{ // if we're interrupted, just schedule the next run a little early
+	} // end catch
+
+	// sweep the SIG cache first
+	List sigs = sig_refcache.sweepReturn();
+	Iterator it = sigs.iterator();
+	while (it.hasNext())
+	{ // perform subsweeps on the SIG data
+	  SIGData sig = (SIGData)(it.next());
+	  sig.sweepCache();
+	  sig.rd_release();
+
+	} // end while
+
+	// now sweep other caches
+	conf_refcache.sweep();
+
+      } // end for (ever)
+
+    } // end run
+
+  } // end class CacheSweeper
+
+  /*--------------------------------------------------------------------------------
+   * Internal class for creating new SIGCoreData objects.
+   *--------------------------------------------------------------------------------
+   */
+
+  protected class SIGCoreDataCreator implements ReferencedDataBuilder
+  {
+    protected SIGCoreDataCreator()
+    { // do nothing
+    } // end constructor
+
+    public ReferencedData build(Object key) throws ReferencedDataBuilderException
+    {
+      Integer xsigid = (Integer)key;
+      try
+      { // create the desired object
+	return new SIGCoreData(VeniceEngineImpl.this,datapool,xsigid.intValue());
+
+      } // end try
+      catch (DataException e)
+      { // rethrow as a "wrapped" exception
+	throw new ReferencedDataBuilderException(e);
+
+      } // end catch
+
+    } // end build
+
+  } // end class SIGCoreDataCreator
+
+  /*--------------------------------------------------------------------------------
+   * Internal class for creating new ConferenceCoreData objects.
+   *--------------------------------------------------------------------------------
+   */
+
+  protected class ConferenceCoreDataCreator implements ReferencedDataBuilder
+  {
+    protected ConferenceCoreDataCreator()
+    { // do nothing
+    } // end constructor
+
+    public ReferencedData build(Object key) throws ReferencedDataBuilderException
+    {
+      Integer xconf = (Integer)key;
+      try
+      { // create the desired object
+	return new ConferenceCoreData(VeniceEngineImpl.this,datapool,xconf.intValue());
+
+      } // end try
+      catch (DataException e)
+      { // rethrow as a "wrapped" exception
+	throw new ReferencedDataBuilderException(e);
+
+      } // end catch
+
+    } // end build
+
+  } // end class ConferenceCoreDataCreator
+
   /*--------------------------------------------------------------------------------
    * Static data values
    *--------------------------------------------------------------------------------
@@ -296,10 +396,12 @@ public class VeniceEngineImpl implements VeniceEngine, EngineBackend
   private Properties email_props = null;              // email properties
   private javax.mail.Session mailsession = null;      // email session object
   private Hashtable stock_messages = null;            // stock messages holder
-  private Hashtable sig_objects = new Hashtable();    // holder for SIGCoreData objects
+  private ReferenceCache sig_refcache = new ReferenceCache();
+  private SIGCoreDataCreator sig_creator = new SIGCoreDataCreator();
   private VeniceFeatureDef[] features;                // master feature table
   private Hashtable feature_syms = new Hashtable();   // hashtable mapping symbols to features
-  private Hashtable conf_objects = new Hashtable();   // holder for ConferenceCoreData objects
+  private ReferenceCache conf_refcache = new ReferenceCache();
+  private ConferenceCoreDataCreator conf_creator = new ConferenceCoreDataCreator();
   private HTMLCheckerConfig[] html_configs;           // holder for HTML checker configurations
   private int[] gp_ints;                              // global integer parameters
   private MasterSideBox[] sideboxes;                  // master sidebox table
@@ -336,7 +438,7 @@ public class VeniceEngineImpl implements VeniceEngine, EngineBackend
   {
     final String query =
         "SELECT posts_per_page, old_posts_at_top, max_search_page, max_sig_mbr_page, max_conf_mbr_page, "
-      + "fp_posts, num_audit_page FROM globals;";
+      + "fp_posts, num_audit_page, sig_create_lvl FROM globals;";
     ResultSet rs = stmt.executeQuery(query);
     if (!(rs.next()))
       throw new DataException("Globals table does not appear to be loaded!");
@@ -349,6 +451,7 @@ public class VeniceEngineImpl implements VeniceEngine, EngineBackend
     gp_ints[IP_MAXCONFMEMBERDISPLAY] = rs.getInt(5);
     gp_ints[IP_NUMFRONTPAGEPOSTS] = rs.getInt(6);
     gp_ints[IP_NUMAUDITRECSPERPAGE] = rs.getInt(7);
+    gp_ints[IP_CREATESIGLVL] = rs.getInt(8);
     
   } // end loadDefaults
 
@@ -493,7 +596,7 @@ public class VeniceEngineImpl implements VeniceEngine, EngineBackend
     } // end catch
 
     // Allocate the global parameter arrays.
-    gp_ints = new int[7];
+    gp_ints = new int[IPC_NUM_PARAMS];
 
     // initialize anything that requires us to pull from the database
     Connection conn = null;
@@ -634,6 +737,12 @@ public class VeniceEngineImpl implements VeniceEngine, EngineBackend
     cfg.addOutputFilter(html_filter);
     html_configs[HTMLC_ESCAPE_BODY_PSEUD] = cfg;
 
+    // Start the cache sweeper.
+    Thread thrd = new Thread(new CacheSweeper());
+    thrd.setPriority(Thread.currentThread().getPriority()-2);
+    thrd.setDaemon(true);
+    thrd.start();
+
     if (logger.isDebugEnabled())
       logger.debug("initialize() complete :-)");
 
@@ -1555,50 +1664,37 @@ public class VeniceEngineImpl implements VeniceEngine, EngineBackend
 
   } // end getLanguageNameForCode
 
-  public synchronized SIGData getSIGDataObject(int sigid) throws DataException
+  public SIGData getSIGDataObject(int sigid) throws DataException
   {
     checkInitialized();
     if (logger.isDebugEnabled())
       logger.debug("getSIGDataObject(" + sigid + ")...");
 
-    Integer the_sigid = new Integer(sigid);
-    SIGData sd = (SIGData)(sig_objects.get(the_sigid));
-    if (sd==null)
-    { // create a new SIGCoreData object and save it off
-      sd = new SIGCoreData(this,datapool,sigid);
-      sig_objects.put(the_sigid,sd);
-      if (logger.isDebugEnabled())
-	logger.debug("...created new object");
+    try
+    { // delegate to the sig_refcache and sig_creator objects
+      return (SIGData)(sig_refcache.getOrCreate(new Integer(sigid),sig_creator));
 
-    } // end if
+    } // end try
+    catch (ReferencedDataBuilderException e)
+    { // this may be a DataException, or it may not
+      Exception e2 = e.getTarget();
+      if (e2 instanceof DataException)
+	throw (DataException)e2;
       else
-    {  // this is an extra reference to the SIGDataObject
-      sd.rd_addRef();
-      if (logger.isDebugEnabled())
-	logger.debug("...using cached object");
+	throw new InternalStateError("unknown creation exception thrown in getSIGDataObject: "
+				     + e2.getClass().getName(),e2);
 
-    } // end else
-
-    return sd;
+    } // end catch
 
   } // end getSIGDataObject
 
-  public synchronized void detachSIGDataObject(int sigid)
+  public void detachSIGDataObject(int sigid)
   {
     checkInitialized();
     if (logger.isDebugEnabled())
       logger.debug("detachSIGDataObject(" + sigid + ")...");
 
-    Integer the_sigid = new Integer(sigid);
-    SIGData sd = (SIGData)(sig_objects.get(the_sigid));
-    if (sd!=null)
-    { // pull the reference out of our hashtable
-      sig_objects.remove(the_sigid);
-      sd.rd_release();
-      if (logger.isDebugEnabled())
-	logger.debug("...reference detached");
-      
-    } // end if
+    sig_refcache.detach(new Integer(sigid));
 
   } // end detachSIGDataObject
 
@@ -1680,21 +1776,13 @@ public class VeniceEngineImpl implements VeniceEngine, EngineBackend
 
   } // end getDefaultFeaturesMask
 
-  public synchronized void registerNewSIG(SIGData sig)
+  public void registerNewSIG(SIGData sig)
   {
     checkInitialized();
     if (logger.isDebugEnabled())
       logger.debug("registerNewSIG(" + sig.getID() + ")...");
 
-    Integer the_sigid = new Integer(sig.getID());
-    if (sig_objects.get(the_sigid)!=null)
-      throw new InternalStateError("SIGID " + the_sigid + " already exists...but it CAN'T HAVE!");
-
-    // throw an extra reference on it and dump it in the object cache
-    sig.rd_addRef();
-    sig_objects.put(the_sigid,sig);
-    if (logger.isDebugEnabled())
-      logger.debug("...registered new object");
+    sig_refcache.register(sig);
 
   } // end registerNewSIG
 
@@ -1718,50 +1806,37 @@ public class VeniceEngineImpl implements VeniceEngine, EngineBackend
 
   } // end canAccessFeature
 
-  public synchronized ConferenceData getConferenceDataObject(int confid) throws DataException
+  public ConferenceData getConferenceDataObject(int confid) throws DataException
   {
     checkInitialized();
     if (logger.isDebugEnabled())
       logger.debug("getConferenceDataObject(" + confid + ")...");
 
-    Integer the_confid = new Integer(confid);
-    ConferenceData cd = (ConferenceData)(conf_objects.get(the_confid));
-    if (cd==null)
-    { // create a new ConferenceCoreData object and save it off
-      cd = new ConferenceCoreData(this,datapool,confid);
-      conf_objects.put(the_confid,cd);
-      if (logger.isDebugEnabled())
-	logger.debug("...created new object");
+    try
+    { // delegate to the conf_refcache and conf_creator objects
+      return (ConferenceData)(conf_refcache.getOrCreate(new Integer(confid),conf_creator));
 
-    } // end if
+    } // end try
+    catch (ReferencedDataBuilderException e)
+    { // this may be a DataException, or it may not
+      Exception e2 = e.getTarget();
+      if (e2 instanceof DataException)
+	throw (DataException)e2;
       else
-    {  // this is an extra reference to the ConferenceDataObject
-      cd.rd_addRef();
-      if (logger.isDebugEnabled())
-	logger.debug("...using cached object");
+	throw new InternalStateError("unknown creation exception thrown in getConferenceDataObject: "
+				     + e2.getClass().getName(),e2);
 
-    } // end else
-
-    return cd;
+    } // end catch
 
   } // end getConferenceDataObject
 
-  public synchronized void detachConferenceDataObject(int confid)
+  public void detachConferenceDataObject(int confid)
   {
     checkInitialized();
     if (logger.isDebugEnabled())
       logger.debug("detachConferenceDataObject(" + confid + ")...");
 
-    Integer the_confid = new Integer(confid);
-    ConferenceData cd = (ConferenceData)(conf_objects.get(the_confid));
-    if (cd!=null)
-    { // remove it from our hashtable
-      conf_objects.remove(the_confid);
-      cd.rd_release();
-      if (logger.isDebugEnabled())
-	logger.debug("...detached reference");
-
-    } // end if
+    conf_refcache.detach(new Integer(confid));
 
   } // end detachConferenceDataObject
 
@@ -1793,21 +1868,13 @@ public class VeniceEngineImpl implements VeniceEngine, EngineBackend
 
   } // end saveAuditRecord
 
-  public synchronized void registerNewConference(ConferenceData conf)
+  public void registerNewConference(ConferenceData conf)
   {
     checkInitialized();
     if (logger.isDebugEnabled())
       logger.debug("registerNewConference(" + conf.getID() + ")...");
 
-    Integer the_confid = new Integer(conf.getID());
-    if (conf_objects.get(the_confid)!=null)
-      throw new InternalStateError("ConfID " + the_confid + " already exists...but it CAN'T HAVE!");
-
-    // throw an extra reference on it and dump it in the object cache
-    conf.rd_addRef();
-    conf_objects.put(the_confid,conf);
-    if (logger.isDebugEnabled())
-      logger.debug("...registered new object");
+    conf_refcache.register(conf);
 
   } // end registerNewConference
 

src/com/silverwrist/venice/security/AuditRecord.java

@@ -19,6 +19,7 @@ package com.silverwrist.venice.security;
 
 import java.sql.*;
 import java.util.*;
+import com.silverwrist.util.collections.*;
 import com.silverwrist.venice.db.SQLUtil;
 import com.silverwrist.venice.core.AuditData;
 import com.silverwrist.venice.core.DataException;
@@ -26,43 +27,6 @@ import com.silverwrist.venice.core.InternalStateError;
 
 public class AuditRecord implements AuditData
 {
-  /*--------------------------------------------------------------------------------
-   * Private implementation of ReadOnlyVector
-   *--------------------------------------------------------------------------------
-   */
-
-  static class ReadOnlyVector extends AbstractList
-  {
-    private Vector my_vec;  // local vector
-
-    ReadOnlyVector(Vector vec)
-    {
-      my_vec = vec;
-      my_vec.trimToSize();
-
-    } // end constructor
-
-    protected void finalize() throws Throwable
-    {
-      my_vec = null;
-      super.finalize();
-
-    } // end finalize
-
-    public Object get(int index)
-    {
-      return my_vec.elementAt(index);
-
-    } // end get
-
-    public int size()
-    {
-      return my_vec.size();
-      
-    } // end size
-
-  } // end class ReadOnlyVector
-
   /*--------------------------------------------------------------------------------
    * Internal class for caching description strings on load
    *--------------------------------------------------------------------------------

src/com/silverwrist/venice/security/Capability.java

@@ -85,12 +85,6 @@ public class Capability implements SecLevels
 
   } // end showHiddenSIGMembers
 
-  public static boolean canCreateSIG(int level)
-  {
-    return (level>=GLOBAL_NORMAL);
-
-  } // end canCreateSIG
-
   public static boolean hideHiddenConferences(int level)
   {
     return (level<SIG_ANYADMIN);

src/com/silverwrist/venice/security/Role.java

@@ -18,46 +18,10 @@
 package com.silverwrist.venice.security;
 
 import java.util.*;
+import com.silverwrist.util.collections.*;
 
 public class Role implements Comparable, SecLevels
 {
-  /*--------------------------------------------------------------------------------
-   * Private implementation of ReadOnlyVector
-   *--------------------------------------------------------------------------------
-   */
-
-  static class ReadOnlyVector extends AbstractList
-  {
-    private Vector my_vec;  // local vector
-
-    ReadOnlyVector(Vector vec)
-    {
-      my_vec = vec;
-      my_vec.trimToSize();
-
-    } // end constructor
-
-    protected void finalize() throws Throwable
-    {
-      my_vec = null;
-      super.finalize();
-
-    } // end finalize
-
-    public Object get(int index)
-    {
-      return my_vec.elementAt(index);
-
-    } // end get
-
-    public int size()
-    {
-      return my_vec.size();
-      
-    } // end size
-
-  } // end class ReadOnlyVector
-
   /*--------------------------------------------------------------------------------
    * Static data members
    *--------------------------------------------------------------------------------

web/format/top_content.jsp

@@ -28,7 +28,7 @@
 <% if (rdat.useHTMLComments()) { %><!-- Top content panel --><% } %>
 <% if (data.displayWelcome()) { %>
   <% rdat.writeContentHeader(out,rdat.getStockMessage("welcome-top"),null); %>
-  <%= rdat.getStdFontTag(null,1) %><%= rdat.getStockMessage(out,"welcome"); %></FONT><P>
+  <%= rdat.getStdFontTag(null,1) %><%= rdat.getStockMessage("welcome") %></FONT><P>
 <% } // end if %>
 <% rdat.writeContentHeader(out,rdat.getStockMessage("currents-top"),null); %>
 <% int ntp = data.getNumTopPosts(); %>