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.jivesoftware.smack.Chat;
024 import org.jivesoftware.smack.ChatManager;
025 import org.jivesoftware.smack.MessageListener;
026 import org.jivesoftware.smack.XMPPConnection;
027 import org.jivesoftware.smack.XMPPException;
028 import org.jivesoftware.smack.packet.Message;
029 import org.slf4j.Logger;
030 import org.slf4j.LoggerFactory;
031
032 /**
033 * @version
034 */
035 public class XmppPrivateChatProducer extends DefaultProducer {
036 private static final transient Logger LOG = LoggerFactory.getLogger(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 if (LOG.isDebugEnabled()) {
048 LOG.debug("Creating XmppPrivateChatProducer to participant " + participant);
049 }
050 }
051
052 public void process(Exchange exchange) {
053 try {
054 // make sure we are connected
055 if (!connection.isConnected()) {
056 if (LOG.isDebugEnabled()) {
057 LOG.debug("Reconnecting to: " + XmppEndpoint.getConnectionMessage(connection));
058 }
059 connection.connect();
060 }
061 } catch (XMPPException e) {
062 throw new RuntimeExchangeException("Cannot connect to: "
063 + XmppEndpoint.getConnectionMessage(connection), exchange, e);
064 }
065
066 ChatManager chatManager = connection.getChatManager();
067
068 if (LOG.isTraceEnabled()) {
069 LOG.trace("Looking for existing chat instance with thread ID " + endpoint.getChatId());
070 }
071 Chat chat = chatManager.getThreadChat(endpoint.getChatId());
072 if (chat == null) {
073 if (LOG.isTraceEnabled()) {
074 LOG.trace("Creating new chat instance with thread ID " + endpoint.getChatId());
075 }
076 chat = chatManager.createChat(getParticipant(), endpoint.getChatId(), new MessageListener() {
077 public void processMessage(Chat chat, Message message) {
078 // not here to do conversation
079 if (LOG.isDebugEnabled()) {
080 LOG.debug("Received and discarding message from " + getParticipant() + " : " + message.getBody());
081 }
082 }
083 });
084 }
085
086 Message message = null;
087 try {
088 message = new Message();
089 message.setTo(getParticipant());
090 message.setThread(endpoint.getChatId());
091 message.setType(Message.Type.normal);
092
093 endpoint.getBinding().populateXmppMessage(message, exchange);
094
095 if (LOG.isDebugEnabled()) {
096 LOG.debug("Sending XMPP message to " + endpoint.getParticipant() + " from " + endpoint.getUser() + " : " + message.getBody());
097 }
098 chat.sendMessage(message);
099 } catch (XMPPException xmppe) {
100 throw new RuntimeExchangeException("Cannot send XMPP message: to " + endpoint.getParticipant() + " from " + endpoint.getUser() + " : " + message
101 + " to: " + XmppEndpoint.getConnectionMessage(connection), exchange, xmppe);
102 } catch (Exception e) {
103 throw new RuntimeExchangeException("Cannot send XMPP message to " + endpoint.getParticipant() + " from " + endpoint.getUser() + " : " + message
104 + " to: " + XmppEndpoint.getConnectionMessage(connection), exchange, e);
105 }
106 }
107
108 @Override
109 protected void doStart() throws Exception {
110 if (connection == null) {
111 connection = endpoint.createConnection();
112 }
113 super.doStart();
114 }
115
116 @Override
117 protected void doStop() throws Exception {
118 if (connection != null && connection.isConnected()) {
119 connection.disconnect();
120 }
121 super.doStop();
122 }
123
124 // Properties
125 // -------------------------------------------------------------------------
126
127 public String getParticipant() {
128 return participant;
129 }
130 }