/*
 * 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) 2003 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
 * 
 * Contributor(s): 
 */
package com.silverwrist.venice.conf.module;

import java.security.Principal;
import java.security.acl.*;
import java.util.*;
import org.apache.log4j.Logger;
import com.silverwrist.dynamo.except.*;
import com.silverwrist.dynamo.iface.*;
import com.silverwrist.dynamo.security.SecurityReferenceMonitor;
import com.silverwrist.venice.except.*;
import com.silverwrist.venice.iface.*;
import com.silverwrist.venice.obj.*;
import com.silverwrist.venice.util.*;
import com.silverwrist.venice.conf.ConfNamespaces;
import com.silverwrist.venice.conf.iface.*;

class Controller implements CommunityServiceController
{
  /*--------------------------------------------------------------------------------
   * Static data members
   *--------------------------------------------------------------------------------
   */

  private static Logger logger = Logger.getLogger(Controller.class);

  /*--------------------------------------------------------------------------------
   * Attributes
   *--------------------------------------------------------------------------------
   */

  private DynamicImplCommunityServiceController m_dobj;
  private UseCount m_uc;
  private ConferenceAccessObject m_access;
  private String m_srm_name;

  /*--------------------------------------------------------------------------------
   * Constructor
   *--------------------------------------------------------------------------------
   */

  Controller(UseCount uc, ConferenceAccessObject access, String srm_name)
  {
    m_dobj = new DynamicImplCommunityServiceController(this);
    m_uc = uc;
    uc.incrementUseCount();
    m_access = access;
    m_srm_name = srm_name;

  } // end constructor

  /*--------------------------------------------------------------------------------
   * Implementations from interface DynamicObject
   *--------------------------------------------------------------------------------
   */

  public Object get(String property_name) throws DynamicObjectException
  {
    return m_dobj.get(property_name);

  } // end get

  public void set(String property_name, Object value) throws DynamicObjectException
  {
    m_dobj.set(property_name,value);

  } // end set

  public Object call(String method_name, Object[] parameters) throws DynamicObjectException
  {
    return m_dobj.call(method_name,parameters);

  } // end call

  public Object call(String method_name, List parameters) throws DynamicObjectException
  {
    return m_dobj.call(method_name,parameters);

  } // end call

  public DynamicClass getDClass()
  {
    return m_dobj.getDClass();

  } // end getDClass
  
  /*--------------------------------------------------------------------------------
   * Implementations from interface ComponentShutdown
   *--------------------------------------------------------------------------------
   */

  public void shutdown()
  {
    m_uc.decrementUseCount();
    m_uc = null;
    m_access = null;

  } // end shutdown

  /*--------------------------------------------------------------------------------
   * Implementations from interface CommunityServiceController
   *--------------------------------------------------------------------------------
   */

  public String getDescription()
  {
    ResourceBundle b = ResourceBundle.getBundle("com.silverwrist.venice.conf.module.ModuleMessages");
    return b.getString("description");

  } // end getDescription

  public void addServiceToCommunity(Request req, VeniceCommunity comm)
      throws DatabaseException, CommunityServiceException
  {
    if (logger.isDebugEnabled())
      logger.debug("[Conferencing service] addServiceToCommunity(" + req.toString() + ", " + comm.getName() + ")");
    AclEditHelper helper = new AclEditHelper(req,m_srm_name);
    DynamoUser hostuser = comm.getHostUser();
    DynamoGroup hostgroup = comm.getHostGroup();
    try
    { // add the necessary default permissions to the community ACL
      DynamoAcl acl = comm.getAcl();
      helper.addPermission(hostuser,acl,hostgroup,false,ConfNamespaces.PERMISSIONS_NAMESPACE,"create");
      helper.addPermission(hostuser,acl,hostgroup,false,ConfNamespaces.PERMISSIONS_NAMESPACE,"manage.order");
      helper.addPermission(hostuser,acl,hostgroup,false,ConfNamespaces.PERMISSIONS_NAMESPACE,"see.hidden");
      helper.addPermission(hostuser,acl,hostgroup,false,ConfNamespaces.PERMISSIONS_NAMESPACE,"conference.sequence");
      helper.addPermission(hostuser,acl,hostgroup,false,ConfNamespaces.PERMISSIONS_NAMESPACE,"hide.show");

    } // end try
    catch (AclNotFoundException e)
    { // what happened to the community's ACL?
      CommunityServiceException cse = new CommunityServiceException(Controller.class,"ModuleMessages","cse.noAcl",e);
      cse.setParameter(0,comm.getName());
      throw cse;

    } // end catch
    catch (NotOwnerException e)
    { // damn!  we need to be the ACL owner!
      CommunityServiceException cse = new CommunityServiceException(Controller.class,"ModuleMessages",
								    "cse.notAclOwner",e);
      cse.setParameter(0,comm.getName());
      throw cse;

    } // end catch

  } // end addServiceToCommunity

  public void removeServiceFromCommunity(Request req, VeniceCommunity comm)
      throws DatabaseException, CommunityServiceException
  {
    if (logger.isDebugEnabled())
      logger.debug("[Conferencing service] removeServiceFromCommunity(" + req.toString() + ", " + comm.getName()
		   + ")");
    AclEditHelper helper = new AclEditHelper(req,m_srm_name);
    DynamoUser hostuser = comm.getHostUser();
    try
    { // remove permissions from the community ACL
      DynamoAcl acl = comm.getAcl();
      helper.stripPermission(hostuser,acl,ConfNamespaces.PERMISSIONS_NAMESPACE,"create");
      helper.stripPermission(hostuser,acl,ConfNamespaces.PERMISSIONS_NAMESPACE,"manage.order");
      helper.stripPermission(hostuser,acl,ConfNamespaces.PERMISSIONS_NAMESPACE,"see.hidden");
      helper.stripPermission(hostuser,acl,ConfNamespaces.PERMISSIONS_NAMESPACE,"conference.sequence");
      helper.stripPermission(hostuser,acl,ConfNamespaces.PERMISSIONS_NAMESPACE,"hide.show");

    } // end try
    catch (AclNotFoundException e)
    { // what happened to the community's ACL?
      CommunityServiceException cse = new CommunityServiceException(Controller.class,"ModuleMessages","cse.noAcl",e);
      cse.setParameter(0,comm.getName());
      throw cse;

    } // end catch
    catch (NotOwnerException e)
    { // damn!  we need to be the ACL owner!
      CommunityServiceException cse = new CommunityServiceException(Controller.class,"ModuleMessages",
								    "cse.notAclOwner",e);
      cse.setParameter(0,comm.getName());
      throw cse;

    } // end catch

  } // end removeServiceFromCommunity

  public DynamicObject getAccessObject()
  {
    return m_access;

  } // end getAccessObject

} // end class Controller