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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.StringReader;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.impl.builder.StAXOMBuilder;
import org.apache.tuscany.sca.binding.jms.impl.JMSBinding;
import org.apache.tuscany.sca.binding.jms.impl.JMSBindingException;
/**
* MessageProcessor for sending/receiving XML javax.jms.TextMessage with the JMSBinding.
*
* @version $Rev$ $Date$
*/
public class XMLTextMessageProcessor extends AbstractMessageProcessor {
public XMLTextMessageProcessor(JMSBinding jmsBinding) {
super(jmsBinding);
}
@Override
protected Object[] extractPayload(Message msg) {
try {
String xml = ((TextMessage)msg).getText();
Object[] os;
if (xml != null) {
XMLStreamReader reader = XMLInputFactory.newInstance().createXMLStreamReader(new StringReader(xml));
StAXOMBuilder builder = new StAXOMBuilder(reader);
os = new Object[] {builder.getDocumentElement()};
} else {
os = new Object[] {};
}
return os;
} catch (XMLStreamException e) {
throw new JMSBindingException(e);
} catch (JMSException e) {
throw new JMSBindingException(e);
}
}
@Override
protected Message createJMSMessage(Session session, Object o) {
try {
TextMessage message = session.createTextMessage();
if (o instanceof OMElement) {
message.setText(o.toString());
} else if ((o instanceof Object[]) && ((Object[])o)[0] instanceof OMElement) {
message.setText(((Object[])o)[0].toString());
} else if (o != null) {
throw new IllegalStateException("expecting OMElement payload: " + o);
}
return message;
} catch (JMSException e) {
throw new JMSBindingException(e);
}
}
}
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