001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.camel.component.xmpp;
018
019 import org.apache.camel.Exchange;
020 import org.apache.camel.RuntimeExchangeException;
021 import org.apache.camel.impl.DefaultProducer;
022 import org.apache.camel.util.ObjectHelper;
023 import org.apache.commons.logging.Log;
024 import org.apache.commons.logging.LogFactory;
025 import org.jivesoftware.smack.Chat;
026 import org.jivesoftware.smack.ChatManager;
027 import org.jivesoftware.smack.MessageListener;
028 import org.jivesoftware.smack.XMPPConnection;
029 import org.jivesoftware.smack.XMPPException;
030 import org.jivesoftware.smack.packet.Message;
031
032 /**
033 * @version $Revision: 756358 $
034 */
035 public class XmppPrivateChatProducer extends DefaultProducer {
036 private static final transient Log LOG = LogFactory.getLog(XmppPrivateChatProducer.class);
037 private final XmppEndpoint endpoint;
038 private XMPPConnection connection;
039 private final String participant;
040
041 public XmppPrivateChatProducer(XmppEndpoint endpoint, String participant) {
042 super(endpoint);
043 this.endpoint = endpoint;
044 this.participant = participant;
045 ObjectHelper.notEmpty(participant, "participant");
046 }
047
048 public void process(Exchange exchange) {
049 String threadId = exchange.getExchangeId();
050
051 try {
052 if (connection == null) {
053 connection = endpoint.createConnection();
054 }
055
056 // make sure we are connected
057 if (!connection.isConnected()) {
058 if (LOG.isDebugEnabled()) {
059 LOG.debug("Reconnecting to: " + XmppEndpoint.getConnectionMessage(connection));
060 }
061 connection.connect();
062 }
063 } catch (XMPPException e) {
064 throw new RuntimeExchangeException("Cannot connect to: "
065 + XmppEndpoint.getConnectionMessage(connection), exchange, e);
066 }
067
068 ChatManager chatManager = connection.getChatManager();
069 Chat chat = chatManager.getThreadChat(threadId);
070 if (chat == null) {
071 chat = chatManager.createChat(getParticipant(), threadId, new MessageListener() {
072 public void processMessage(Chat chat, Message message) {
073 // not here to do conversation
074 }
075 });
076 }
077
078 Message message = null;
079 try {
080 message = new Message();
081 message.setTo(participant);
082 message.setThread(threadId);
083 message.setType(Message.Type.normal);
084
085 endpoint.getBinding().populateXmppMessage(message, exchange);
086
087 if (LOG.isDebugEnabled()) {
088 LOG.debug("Sending XMPP message: " + message.getBody());
089 }
090 chat.sendMessage(message);
091 } catch (XMPPException e) {
092 throw new RuntimeExchangeException("Cannot send XMPP message: " + message
093 + " to: " + XmppEndpoint.getConnectionMessage(connection), exchange, e);
094 }
095 }
096
097 @Override
098 protected void doStop() throws Exception {
099 if (connection != null) {
100 if (LOG.isDebugEnabled()) {
101 LOG.debug("Disconnecting from: " + XmppEndpoint.getConnectionMessage(connection));
102 }
103 connection.disconnect();
104 connection = null;
105 }
106 super.doStop();
107 }
108
109 // Properties
110 // -------------------------------------------------------------------------
111
112 public String getParticipant() {
113 return participant;
114 }
115 }