/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*
*/
package org.apache.vysper.xmpp.modules.core.im.handler;
import static org.apache.vysper.xmpp.stanza.PresenceStanzaType.isSubscriptionType;
import org.apache.vysper.xmpp.modules.core.base.handler.XMPPCoreStanzaHandler;
import org.apache.vysper.xmpp.modules.roster.persistence.RosterManager;
import org.apache.vysper.xmpp.modules.roster.persistence.RosterManagerUtils;
import org.apache.vysper.xmpp.server.ServerRuntimeContext;
import org.apache.vysper.xmpp.server.SessionContext;
import org.apache.vysper.xmpp.stanza.PresenceStanza;
import org.apache.vysper.xmpp.stanza.Stanza;
import org.apache.vysper.xmpp.stanza.XMPPCoreStanza;
/**
* handling presence stanzas
*
* @author The Apache MINA Project (dev@mina.apache.org)
*/
public class PresenceHandler extends XMPPCoreStanzaHandler {
private final static PresenceAvailabilityHandler AVAILABILITY_HANDLER = new PresenceAvailabilityHandler();
private final static PresenceSubscriptionHandler SUBSCRIPTION_HANDLER = new PresenceSubscriptionHandler();
public String getName() {
return "presence";
}
@Override
protected boolean verifyType(Stanza stanza) {
return PresenceStanza.isOfType(stanza);
}
@Override
protected Stanza executeCore(XMPPCoreStanza stanza, ServerRuntimeContext serverRuntimeContext,
boolean isOutboundStanza, SessionContext sessionContext) {
PresenceStanza presenceStanza = (PresenceStanza) stanza;
boolean subscriptionRelated = isSubscriptionType(presenceStanza.getPresenceType());
RosterManager rosterManager = RosterManagerUtils.getRosterInstance(serverRuntimeContext, sessionContext);
if (!subscriptionRelated)
return AVAILABILITY_HANDLER.executeCorePresence(serverRuntimeContext, isOutboundStanza, sessionContext,
presenceStanza, rosterManager);
else
return SUBSCRIPTION_HANDLER.executeCorePresence(serverRuntimeContext, isOutboundStanza, sessionContext,
presenceStanza, rosterManager);
}
}