/**
* 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.cxf.jbi.transport;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.jbi.messaging.DeliveryChannel;
import javax.jbi.messaging.MessageExchange;
import javax.jbi.messaging.NormalizedMessage;
import javax.jbi.servicedesc.ServiceEndpoint;
import javax.xml.namespace.QName;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.jbi.se.CXFServiceUnit;
import org.apache.cxf.jbi.se.CXFServiceUnitManager;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageImpl;
import org.apache.cxf.service.model.EndpointInfo;
import org.apache.cxf.transport.AbstractConduit;
import org.apache.cxf.transport.AbstractDestination;
import org.apache.cxf.transport.Conduit;
import org.apache.cxf.transport.ConduitInitiator;
import org.apache.cxf.transport.MessageObserver;
import org.apache.cxf.ws.addressing.EndpointReferenceType;
import org.apache.cxf.wsdl.EndpointReferenceUtils;
public class JBIDestination extends AbstractDestination {
private static final Logger LOG = LogUtils.getL7dLogger(JBIDestination.class);
private final DeliveryChannel channel;
private final CXFServiceUnitManager suManager;
private ConduitInitiator conduitInitiator;
private JBIDispatcher dispatcher;
private volatile boolean running;
public JBIDestination(ConduitInitiator ci,
EndpointInfo info,
DeliveryChannel dc,
CXFServiceUnitManager sum) {
super(getTargetReference(info, null), info);
this.conduitInitiator = ci;
this.channel = dc;
this.suManager = sum;
}
protected Logger getLogger() {
return LOG;
}
/**
* @param inMessage the incoming message
* @return the inbuilt backchannel
*/
protected Conduit getInbuiltBackChannel(Message inMessage) {
return new BackChannelConduit(EndpointReferenceUtils.getAnonymousEndpointReference(),
inMessage);
}
public void shutdown() {
running = false;
}
public void deactivate() {
running = false;
}
public void activate() {
getLogger().info(new org.apache.cxf.common.i18n.Message(
"ACTIVE.JBI.SERVER.TRANSPORT", getLogger()).toString());
dispatcher = new JBIDispatcher();
new Thread(dispatcher).start();
}
// this should deal with the cxf message
protected class BackChannelConduit extends AbstractConduit {
protected Message inMessage;
protected JBIDestination jbiDestination;
BackChannelConduit(EndpointReferenceType ref, Message message) {
super(ref);
inMessage = message;
}
/**
* Register a message observer for incoming messages.
*
* @param observer the observer to notify on receipt of incoming
*/
public void setMessageObserver(MessageObserver observer) {
// shouldn't be called for a back channel conduit
}
/**
* Send an outbound message, assumed to contain all the name-value
* mappings of the corresponding input message (if any).
*
* @param message the message to be sent.
*/
public void prepare(Message message) throws IOException {
// setup the message to be send back
message.put(JBIConstants.MESSAGE_EXCHANGE_PROPERTY,
inMessage.get(JBIConstants.MESSAGE_EXCHANGE_PROPERTY));
message.setContent(OutputStream.class,
new JBIDestinationOutputStream(inMessage, channel));
}
protected Logger getLogger() {
return LOG;
}
}
private class JBIDispatcher implements Runnable {
public final void run() {
try {
running = true;
getLogger().info(new org.apache.cxf.common.i18n.Message(
"RECEIVE.THREAD.START", getLogger()).toString());
do {
MessageExchange exchange = null;
synchronized (channel) {
exchange = channel.accept();
}
if (exchange != null) {
ServiceEndpoint ep = exchange.getEndpoint();
CXFServiceUnit csu = suManager.getServiceUnitForEndpoint(ep);
ClassLoader oldLoader = Thread.currentThread().getContextClassLoader();
try {
Thread.currentThread().setContextClassLoader(csu.getClassLoader());
if (csu != null) {
getLogger().info(new org.apache.cxf.common.i18n.Message(
"DISPATCH.TO.SU", getLogger()).toString());
dispatch(exchange);
} else {
getLogger().info(new org.apache.cxf.common.i18n.Message(
"NO.SU.FOUND", getLogger()).toString());
}
} finally {
Thread.currentThread().setContextClassLoader(oldLoader);
}
}
} while(running);
} catch (Exception ex) {
getLogger().log(Level.SEVERE, new org.apache.cxf.common.i18n.Message(
"ERROR.DISPATCH.THREAD", getLogger()).toString(), ex);
}
getLogger().fine(new org.apache.cxf.common.i18n.Message(
"JBI.SERVER.TRANSPORT.MESSAGE.PROCESS.THREAD.EXIT", getLogger()).toString());
}
}
private void dispatch(MessageExchange exchange) throws IOException {
QName opName = exchange.getOperation();
getLogger().fine("dispatch method: " + opName);
NormalizedMessage nm = exchange.getMessage("in");
try {
final InputStream in = JBIMessageHelper.convertMessageToInputStream(nm.getContent());
//get the message to be interceptor
MessageImpl inMessage = new MessageImpl();
inMessage.put(JBIConstants.MESSAGE_EXCHANGE_PROPERTY, exchange);
inMessage.setContent(InputStream.class, in);
//dispatch to correct destination in case of multiple endpoint
inMessage.setDestination(((JBITransportFactory)conduitInitiator).
getDestination(exchange.getService().toString()
+ exchange.getInterfaceName().toString()));
((JBITransportFactory)conduitInitiator).
getDestination(exchange.getService().toString()
+ exchange.getInterfaceName().toString()).
getMessageObserver().onMessage(inMessage);
} catch (Exception ex) {
getLogger().log(Level.SEVERE, new org.apache.cxf.common.i18n.Message(
"ERROR.PREPARE.MESSAGE", getLogger()).toString(), ex);
throw new IOException(ex.getMessage());
}
}
}