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/*
* 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.tuscany.sca.binding.jms.provider;
import java.io.IOException;
import java.util.logging.Logger;
import javax.jms.BytesMessage;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.Session;
import org.apache.tuscany.sca.binding.jms.JMSBinding;
import org.apache.tuscany.sca.binding.jms.JMSBindingConstants;
import org.apache.tuscany.sca.binding.jms.JMSBindingException;
import org.apache.tuscany.sca.binding.jms.provider.xml.XMLHelper;
import org.apache.tuscany.sca.binding.jms.provider.xml.XMLHelperFactory;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.interfacedef.util.FaultException;
/**
* MessageProcessor for sending/receiving XML javax.jms.BytesMessage with the JMSBinding.
*/
public class XMLBytesMessageProcessor extends AbstractMessageProcessor {
private static final Logger logger = Logger.getLogger(XMLBytesMessageProcessor.class.getName());
private XMLHelper xmlHelper;
public XMLBytesMessageProcessor(JMSBinding jmsBinding, ExtensionPointRegistry registry) {
super(jmsBinding);
this.xmlHelper = XMLHelperFactory.createXMLHelper(registry);
}
@Override
protected Object extractPayload(Message msg) {
try {
if (!(msg instanceof BytesMessage)) {
throw new IllegalStateException("expecting JMS BytesMessage: " + msg);
}
long noOfBytes = ((BytesMessage)msg).getBodyLength();
byte [] bytes = new byte[(int)noOfBytes];
((BytesMessage)msg).readBytes(bytes);
((BytesMessage)msg).reset();
Object os;
if (noOfBytes > 0) {
os = xmlHelper.load(new String(bytes));
} else {
os = null;
}
return os;
} catch (JMSException e) {
throw new JMSBindingException(e);
} catch (IOException e) {
throw new JMSBindingException(e);
}
}
@Override
public Object extractPayloadFromJMSMessage(Message msg) {
if (msg instanceof BytesMessage) {
return extractPayload(msg);
} else {
return super.extractPayloadFromJMSMessage(msg);
}
}
@Override
protected Message createJMSMessage(Session session, Object o) {
if (session == null) {
logger.fine("no response session to create message: " + String.valueOf(o));
return null;
}
try {
BytesMessage message = session.createBytesMessage();
if ((o instanceof Object[])) {
message.writeBytes(xmlHelper.saveAsString(((Object[])o)[0]).getBytes());
} else if (o != null) {
message.writeBytes(xmlHelper.saveAsString(o).getBytes());
}
return message;
} catch (JMSException e) {
throw new JMSBindingException(e);
}
}
@Override
public Message createFaultMessage(Session session, Throwable o) {
if (session == null) {
logger.fine("no response session to create fault message: " + String.valueOf(o));
return null;
}
if (o instanceof FaultException) {
try {
BytesMessage message = session.createBytesMessage();
message.writeBytes(xmlHelper.saveAsString(((FaultException)o).getFaultInfo()).getBytes());
message.setBooleanProperty(JMSBindingConstants.FAULT_PROPERTY, true);
return message;
} catch (JMSException e) {
throw new JMSBindingException(e);
}
} else {
return super.createFaultMessage(session, o);
}
}
}
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