/**
* 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.activemq.util.oxm;
import javax.jms.JMSException;
import javax.jms.ObjectMessage;
import javax.jms.Session;
import javax.jms.TextMessage;
import org.springframework.oxm.AbstractMarshaller;
import org.springframework.oxm.Marshaller;
import org.springframework.oxm.Unmarshaller;
import org.springframework.xml.transform.StringResult;
import org.springframework.xml.transform.StringSource;
/**
* Transforms object messages to text messages and vice versa using {@link Spring OXM}
*
*/
public class OXMMessageTransformer extends AbstractXMLMessageTransformer {
/**
* OXM marshaller used to marshall/unmarshall messages
*/
private AbstractMarshaller marshaller;
public AbstractMarshaller getMarshaller() {
return marshaller;
}
public void setMarshaller(AbstractMarshaller marshaller) {
this.marshaller = marshaller;
}
/**
* Marshalls the Object in the {@link ObjectMessage} to a string using XML
* encoding
*/
protected String marshall(Session session, ObjectMessage objectMessage)
throws JMSException {
StringResult result = new StringResult();
try {
marshaller.marshal(objectMessage.getObject(), result);
return result.toString();
} catch (Exception e) {
throw new JMSException(e.getMessage());
}
}
/**
* Unmarshalls the XML encoded message in the {@link TextMessage} to an
* Object
*/
protected Object unmarshall(Session session, TextMessage textMessage)
throws JMSException {
try {
return marshaller.unmarshal(new StringSource(textMessage.getText()));
} catch (Exception e) {
throw new JMSException(e.getMessage());
}
}
}