Android Open Source - smsgateway-android Pair Chat Manager

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 */* ww  w.  j  a  v  a  2  s.c o m*/
 * ((e)) emite: A pure gwt (Google Web Toolkit) xmpp (jabber) library
 *
 * (c) 2008-2009 The emite development team (see CREDITS for details)
 * This file is part of emite.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program 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.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
package com.calclab.emite.im.client.chat;

import java.util.Collection;
import java.util.HashSet;

import com.calclab.emite.core.client.packet.IPacket;
import com.calclab.emite.core.client.packet.NoPacket;
import com.calclab.emite.core.client.xmpp.session.Session;
import com.calclab.emite.core.client.xmpp.stanzas.Message;
import com.calclab.emite.core.client.xmpp.stanzas.XmppURI;
import com.calclab.emite.core.client.xmpp.stanzas.Message.Type;
import com.calclab.emite.im.client.chat.Chat.State;
import com.calclab.suco.client.events.Event;
import com.calclab.suco.client.events.Listener;

/**
 * Default ChatManager implementation. Use ChatManager interface instead
 * 
 * @see ChatManager
 */
public class PairChatManager implements ChatManager {
    protected final HashSet<Chat> chats;
    protected final Event<Chat> onChatCreated;
    protected Event<Chat> onChatClosed;
    protected final Session session;

    public PairChatManager(final Session session) {
  this.session = session;
  this.onChatCreated = new Event<Chat>("chatManager:onChatCreated");
  this.onChatClosed = new Event<Chat>("chatManager:onChatClosed");
  this.chats = new HashSet<Chat>();

  session.onMessage(new Listener<Message>() {
      public void onEvent(final Message message) {
    eventMessage(message);
      }
  });

    }

    public void close(final Chat chat) {
  chats.remove(chat);
  ((AbstractChat) chat).setState(State.locked);
  onChatClosed.fire(chat);
    }

    public Collection<? extends Chat> getChats() {
  return chats;
    }

    public void onChatClosed(final Listener<Chat> listener) {
  onChatClosed.add(listener);
    }

    public void onChatCreated(final Listener<Chat> listener) {
  onChatCreated.add(listener);
    }

    public Chat open(final XmppURI uri) {
  Chat chat = findChat(uri);
  if (chat == null) {
      chat = createChat(uri, session.getCurrentUser());
  }
  return chat;
    }

    /**
     * Template method. Should be protected to be overriden by Room Manager
     * Currently it filters all the Messages without body. (see issue #114)
     * 
     * @param message
     */
    protected void eventMessage(final Message message) {
  final Type type = message.getType();
  switch (type) {
  case chat:
  case normal:
      final IPacket body = message.getFirstChild("body");
      if (body != NoPacket.INSTANCE) {
    final XmppURI from = message.getFrom();

    Chat chat = findChat(from);
    if (chat == null) {
        chat = createChat(from, from);
    }
      }
      break;
  }
    }

    protected Chat openChat(final XmppURI jid, final XmppURI currentUser) {
  return null;
    }

    private <T> Chat createChat(final XmppURI toURI, final XmppURI starterURI) {
  final PairChat pairChat = new PairChat(session, toURI, starterURI, null);
  chats.add(pairChat);
  onChatCreated.fire(pairChat);
  pairChat.setState(Chat.State.ready);
  return pairChat;
    }

    /**
     * Find a chat using the given uri.
     */

    private Chat findChat(final XmppURI uri) {
  for (final Chat chat : chats) {
      final XmppURI chatTargetURI = chat.getURI();
      if (uri.equalsNoResource(chatTargetURI)) {
    return chat;
      }
  }
  return null;
    }

}

Java Source Code List

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