imbrokerfilter.java

来自「RESIN 3.2 最新源码」· Java 代码 · 共 84 行

/*
 * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package com.caucho.hemp.jdbc;

import com.caucho.bam.BamStream;
import com.caucho.bam.AbstractBamFilter;
import java.util.*;
import java.util.logging.*;
import java.io.Serializable;


/**
 * Filter on inbound requests
 */
public class ImBrokerFilter extends AbstractBamFilter
{
  private ImUser _resource;
  
  public ImBrokerFilter(BamStream next, ImUser resource)
  {
    super(next);

    _resource = resource;
  }

  @Override
  public void presence(String to,
			   String from,
			   Serializable data)
  {
    if (to != null)
      getNext().presence(to, _resource.getJid(), data);
    else
      _resource.sendPresence(from, data);
  }

  @Override
  public void presenceSubscribe(String to,
				    String from,
				    Serializable data)
  {
    if (_resource.rosterSubscribeTo(to, from, data)) {
      getNext().presenceSubscribe(to, _resource.getJid(), data);
    }
  }

  @Override
  public void presenceSubscribed(String to,
				     String from,
				     Serializable data)
  {
    if (_resource.rosterSubscribedTo(to, from, data)) {
      getNext().presenceSubscribed(to, _resource.getJid(), data);
    }
  }
}