| /* |
| * 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.axis2.transport.xmpp.util; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.InputStream; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.Semaphore; |
| |
| import org.apache.axis2.context.MessageContext; |
| import org.apache.commons.lang.StringEscapeUtils; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.jivesoftware.smack.PacketListener; |
| import org.jivesoftware.smack.packet.Message; |
| import org.jivesoftware.smack.packet.Packet; |
| |
| public class XMPPClientResponseManager implements PacketListener { |
| private static Log log = LogFactory.getLog(XMPPClientResponseManager.class); |
| |
| private ConcurrentHashMap<String, WaitingDetails> prespectiveResponseMap = new ConcurrentHashMap<String, WaitingDetails>(); |
| |
| |
| public XMPPClientResponseManager(){ |
| } |
| |
| |
| public void listenForResponse(String key, MessageContext messageContext){ |
| prespectiveResponseMap.put(key, new WaitingDetails(messageContext)); |
| } |
| |
| |
| /** |
| * This method will be triggered, when a message is arrived at client side |
| */ |
| public void processPacket(Packet packet) { |
| Message message = (Message)packet; |
| String xml = StringEscapeUtils.unescapeXml(message.getBody()); |
| log.debug("Client received message : "+message.toXML()); |
| InputStream inputStream = new ByteArrayInputStream(xml.getBytes()); |
| |
| String sequenceNumber = (String)message.getProperty(XMPPConstants.SEQUENCE_ID); |
| if(sequenceNumber != null){ |
| WaitingDetails waitingDetails = prespectiveResponseMap.remove(sequenceNumber); |
| if(waitingDetails != null){ |
| waitingDetails.messageContext.setProperty(MessageContext.TRANSPORT_IN, inputStream); |
| waitingDetails.wait.release(); |
| }else{ |
| log.error("No one waiting for message "+ xml); |
| } |
| }else{ |
| log.error(XMPPConstants.SEQUENCE_ID + " not found in the message"); |
| } |
| } |
| |
| /** |
| * Indicates response message is received at client side. |
| * @see processPacket(Packet packet) |
| * @return |
| * @throws InterruptedException |
| */ |
| public void waitFor(String key) throws InterruptedException{ |
| WaitingDetails waitingDetails = prespectiveResponseMap.get(key); |
| if(waitingDetails == null){ |
| //this mean response has arrvied before wait |
| return; |
| } |
| waitingDetails.wait.acquire(); |
| } |
| |
| public class WaitingDetails{ |
| Semaphore wait = new Semaphore(0); |
| MessageContext messageContext; |
| public WaitingDetails(MessageContext messageContext) { |
| super(); |
| this.messageContext = messageContext; |
| } |
| |
| } |
| |
| } |