package com.kixeye.kixmpp.server.module.presence;
/*
* #%L
* KIXMPP
* %%
* Copyright (C) 2014 KIXEYE, Inc
* %%
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
import io.netty.channel.Channel;
import io.netty.util.AttributeKey;
import java.util.List;
import org.jdom2.Element;
import com.kixeye.kixmpp.KixmppJid;
import com.kixeye.kixmpp.handler.KixmppStanzaHandler;
import com.kixeye.kixmpp.server.KixmppServer;
import com.kixeye.kixmpp.server.module.KixmppServerModule;
import com.kixeye.kixmpp.server.module.bind.BindKixmppServerModule;
/**
* Handles presence features.
*
* @author ebahtijaragic
*/
public class PresenceKixmppServerModule implements KixmppServerModule {
public static AttributeKey<String> PRESENCE = AttributeKey.valueOf("PRESENCE");
private KixmppServer server;
/**
* @see com.kixeye.kixmpp.server.module.KixmppModule#install(com.kixeye.kixmpp.server.KixmppServer)
*/
public void install(KixmppServer server) {
this.server = server;
this.server.getEventEngine().registerGlobalStanzaHandler("presence", PRESENCE_HANDLER);
}
/**
* @see com.kixeye.kixmpp.server.module.KixmppModule#uninstall(com.kixeye.kixmpp.server.KixmppServer)
*/
public void uninstall(KixmppServer server) {
this.server.getEventEngine().unregisterGlobalStanzaHandler("presence", PRESENCE_HANDLER);
}
/**
* @see com.kixeye.kixmpp.server.module.KixmppModule#getFeatures(io.netty.channel.Channel)
*/
public List<Element> getFeatures(Channel channel) {
return null;
}
private KixmppStanzaHandler PRESENCE_HANDLER = new KixmppStanzaHandler() {
/**
* @see com.kixeye.kixmpp.server.KixmppStanzaHandler#handle(io.netty.channel.Channel, org.jdom2.Element)
*/
public void handle(Channel channel, Element stanza) {
if (stanza.getAttributeValue("to") == null) {
KixmppJid jid = channel.attr(BindKixmppServerModule.JID).get();
Element presence = new Element("presence");
String id = stanza.getAttributeValue("id");
if (id != null) {
presence.setAttribute("id", id);
}
if (jid != null) {
presence.setAttribute("from", channel.attr(BindKixmppServerModule.JID).get().toString());
presence.setAttribute("to", channel.attr(BindKixmppServerModule.JID).get().toString());
}
channel.writeAndFlush(presence);
}
}
};
}