/**
* 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.camel.component.xmpp;
import org.apache.camel.Exchange;
import org.apache.camel.RuntimeExchangeException;
import org.apache.camel.impl.DefaultProducer;
import org.apache.camel.util.ObjectHelper;
import org.jivesoftware.smack.Chat;
import org.jivesoftware.smack.ChatManager;
import org.jivesoftware.smack.MessageListener;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack.packet.Message;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @version
*/
public class XmppPrivateChatProducer extends DefaultProducer {
private static final Logger LOG = LoggerFactory.getLogger(XmppPrivateChatProducer.class);
private final XmppEndpoint endpoint;
private XMPPConnection connection;
private final String participant;
public XmppPrivateChatProducer(XmppEndpoint endpoint, String participant) {
super(endpoint);
this.endpoint = endpoint;
this.participant = participant;
ObjectHelper.notEmpty(participant, "participant");
LOG.debug("Creating XmppPrivateChatProducer to participant {}", participant);
}
public void process(Exchange exchange) {
// make sure we are connected
try {
if (connection == null) {
connection = endpoint.createConnection();
}
if (!connection.isConnected()) {
this.reconnect();
}
} catch (XMPPException e) {
throw new RuntimeException("Could not connect to XMPP server.", e);
}
String participant = exchange.getIn().getHeader(XmppConstants.TO, String.class);
String thread = endpoint.getChatId();
if (participant == null) {
participant = getParticipant();
} else {
thread = "Chat:" + participant + ":" + endpoint.getUser();
}
ChatManager chatManager = connection.getChatManager();
Chat chat = getOrCreateChat(chatManager, participant, thread);
Message message = null;
try {
message = new Message();
message.setTo(participant);
message.setThread(thread);
message.setType(Message.Type.normal);
endpoint.getBinding().populateXmppMessage(message, exchange);
if (LOG.isDebugEnabled()) {
LOG.debug("Sending XMPP message to {} from {} : {}", new Object[]{participant, endpoint.getUser(), message.getBody()});
}
chat.sendMessage(message);
} catch (XMPPException xmppe) {
throw new RuntimeExchangeException("Could not send XMPP message: to " + participant + " from " + endpoint.getUser() + " : " + message
+ " to: " + XmppEndpoint.getConnectionMessage(connection), exchange, xmppe);
} catch (Exception e) {
throw new RuntimeExchangeException("Could not send XMPP message to " + participant + " from " + endpoint.getUser() + " : " + message
+ " to: " + XmppEndpoint.getConnectionMessage(connection), exchange, e);
}
}
private synchronized Chat getOrCreateChat(ChatManager chatManager, final String participant, String thread) {
if (LOG.isTraceEnabled()) {
LOG.trace("Looking for existing chat instance with thread ID {}", endpoint.getChatId());
}
Chat chat = chatManager.getThreadChat(thread);
if (chat == null) {
if (LOG.isTraceEnabled()) {
LOG.trace("Creating new chat instance with thread ID {}", thread);
}
chat = chatManager.createChat(participant, thread, new MessageListener() {
public void processMessage(Chat chat, Message message) {
// not here to do conversation
if (LOG.isDebugEnabled()) {
LOG.debug("Received and discarding message from {} : {}"
, participant, message.getBody());
}
}
});
}
return chat;
}
private synchronized void reconnect() throws XMPPException {
if (!connection.isConnected()) {
if (LOG.isDebugEnabled()) {
LOG.debug("Reconnecting to: {}", XmppEndpoint.getConnectionMessage(connection));
}
connection.connect();
}
}
@Override
protected void doStart() throws Exception {
if (connection == null) {
try {
connection = endpoint.createConnection();
} catch (XMPPException e) {
if (endpoint.isTestConnectionOnStartup()) {
throw new RuntimeException("Could not establish connection to XMPP server: " + endpoint.getConnectionDescription(), e);
} else {
LOG.warn("Could not connect to XMPP server. {} Producer will attempt lazy connection when needed.", XmppEndpoint.getXmppExceptionLogMessage(e));
}
}
}
super.doStart();
}
@Override
protected void doStop() throws Exception {
if (connection != null && connection.isConnected()) {
connection.disconnect();
}
connection = null;
super.doStop();
}
// Properties
// -------------------------------------------------------------------------
public String getParticipant() {
return participant;
}
}