Java tutorial
/* * Copyright 2010 Vodafone Group Services Ltd. * * 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. * */ package org.onesocialweb.openfire.handler.pep; import java.util.List; import java.util.Map; import java.util.concurrent.ConcurrentHashMap; import org.dom4j.Attribute; import org.dom4j.Element; import org.jivesoftware.openfire.IQHandlerInfo; import org.jivesoftware.openfire.XMPPServer; import org.jivesoftware.openfire.auth.UnauthorizedException; import org.jivesoftware.openfire.handler.IQHandler; import org.xmpp.packet.IQ; public class IQPEPHandler extends IQHandler { private XMPPServer server; private Map<String, PEPNodeHandler> handlers = new ConcurrentHashMap<String, PEPNodeHandler>(); public IQPEPHandler() { super("Intercept PEP request and divert to another handler based on node URI"); } @Override public void initialize(XMPPServer server) { super.initialize(server); this.server = server; } @Override public IQHandlerInfo getInfo() { return new IQHandlerInfo("pubsub", "http://jabber.org/protocol/pubsub"); } @SuppressWarnings("unchecked") @Override public IQ handleIQ(IQ packet) throws UnauthorizedException { final Element childElement = packet.getChildElement(); final List<Element> pubsubElements = childElement.elements(); if (pubsubElements != null && pubsubElements.size() > 0) { Element actionElement = pubsubElements.get(0); Attribute node = actionElement.attribute("node"); PEPNodeHandler handler = getHandler(node.getValue()); if (handler != null) { return handler.handleIQ(packet); } } return XMPPServer.getInstance().getIQPEPHandler().handleIQ(packet); } public void addHandler(PEPNodeHandler handler) { handler.initialize(server); handlers.put(handler.getNode(), handler); } public PEPNodeHandler getHandler(String node) { return handlers.get(node); } }