/*
* 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.server.components;
import org.apache.vysper.xml.fragment.XMLElement;
import org.apache.vysper.xmpp.protocol.AbstractStanzaHandlerLookup;
import org.apache.vysper.xmpp.protocol.DefaultHandlerDictionary;
import org.apache.vysper.xmpp.protocol.StanzaHandler;
import org.apache.vysper.xmpp.stanza.Stanza;
/**
* look up a component's handler for a stanza
*/
public class ComponentStanzaHandlerLookup extends AbstractStanzaHandlerLookup {
private static class ComponentHandlerDictionary extends DefaultHandlerDictionary {
public ComponentHandlerDictionary() {
super();
}
}
protected ComponentHandlerDictionary defaultHandlers = new ComponentHandlerDictionary();
public void addDefaultHandler(StanzaHandler stanzaHandler) {
defaultHandlers.register(stanzaHandler);
}
@Override
public StanzaHandler getHandler(Stanza stanza) {
XMLElement firstInnerElement = stanza;
if (stanza.getVerifier().subElementsPresentExact(1)) {
firstInnerElement = stanza.getFirstInnerElement();
}
StanzaHandler stanzaHandler = getHandlerForElement(stanza, firstInnerElement);
if (stanzaHandler == null)
stanzaHandler = defaultHandlers.get(stanza);
return stanzaHandler;
}
}