/*
* Copyright 2005-2014 the original author or authors.
*
* 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.springframework.ws.transport.xmpp;
import org.jivesoftware.smack.PacketListener;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack.filter.PacketFilter;
import org.jivesoftware.smack.filter.PacketTypeFilter;
import org.jivesoftware.smack.packet.Message;
import org.jivesoftware.smack.packet.Packet;
import org.springframework.ws.transport.support.AbstractStandaloneMessageReceiver;
/**
* Server-side component for receiving XMPP (Jabber) messages. Requires a {@linkplain #setConnection(XMPPConnection)
* connection} to be set, in addition to the {@link #setMessageFactory(org.springframework.ws.WebServiceMessageFactory)
* messageFactory} and {@link #setMessageReceiver(org.springframework.ws.transport.WebServiceMessageReceiver)
* messageReceiver} required by the base class.
*
* @author Gildas Cuisinier
* @author Arjen Poutsma
* @see org.springframework.ws.transport.xmpp.support.XmppConnectionFactoryBean
* @since 2.0
*/
public class XmppMessageReceiver extends AbstractStandaloneMessageReceiver {
/** Default encoding used to read from and write to {@link org.jivesoftware.smack.packet.Message} messages. */
public static final String DEFAULT_MESSAGE_ENCODING = "UTF-8";
private XMPPConnection connection;
private WebServicePacketListener packetListener;
private String messageEncoding = DEFAULT_MESSAGE_ENCODING;
public XmppMessageReceiver() {
}
/** Sets the {@code XMPPConnection} to use. Setting this property is required. */
public void setConnection(XMPPConnection connection) {
this.connection = connection;
}
@Override
protected void onActivate() throws XMPPException {
if (!connection.isConnected()) {
connection.connect();
}
}
@Override
protected void onStart() {
if (logger.isInfoEnabled()) {
logger.info("Starting XMPP receiver [" + connection.getUser() + "]");
}
packetListener = new WebServicePacketListener();
PacketFilter packetFilter = new PacketTypeFilter(Message.class);
connection.addPacketListener(packetListener, packetFilter);
}
@Override
protected void onStop() {
if (logger.isInfoEnabled()) {
logger.info("Stopping XMPP receiver [" + connection.getUser() + "]");
}
connection.removePacketListener(packetListener);
packetListener = null;
}
@Override
protected void onShutdown() {
if (logger.isInfoEnabled()) {
logger.info("Shutting down XMPP receiver [" + connection.getUser() + "]");
}
if (connection.isConnected()) {
connection.disconnect();
}
}
private class WebServicePacketListener implements PacketListener {
@Override
public void processPacket(Packet packet) {
logger.info("Received " + packet);
if (packet instanceof Message) {
Message message = (Message) packet;
try {
XmppReceiverConnection wsConnection = new XmppReceiverConnection(connection, message);
wsConnection.setMessageEncoding(messageEncoding);
handleConnection(wsConnection);
}
catch (Exception ex) {
logger.error(ex);
}
}
}
}
}