+++ /dev/null
-/*
- * Copyright (C) 2007-2012 Mathieu Baudier
- *
- * 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.argeo.slc.jms;
-
-import java.io.Serializable;
-import java.util.Enumeration;
-
-import javax.jms.JMSException;
-import javax.jms.Message;
-import javax.jms.ObjectMessage;
-import javax.jms.Session;
-import javax.jms.TextMessage;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.argeo.slc.SlcException;
-import org.springframework.jms.support.converter.MessageConversionException;
-import org.springframework.jms.support.converter.MessageConverter;
-import org.springframework.oxm.Marshaller;
-import org.springframework.oxm.Unmarshaller;
-import org.springframework.xml.transform.StringResult;
-import org.springframework.xml.transform.StringSource;
-
-public class MarshallerMessageConverter implements MessageConverter {
- private final static Log log = LogFactory
- .getLog(MarshallerMessageConverter.class);
-
- private Marshaller marshaller;
- private Unmarshaller unmarshaller;
-
- /** Use unmarshalled ObjectMessages instead of TextMessages */
- private Boolean disableMarshalling = false;
-
- /** @return the converted message or null if the message itself is null */
- @SuppressWarnings("unchecked")
- public Object fromMessage(Message message) throws JMSException,
- MessageConversionException {
- long begin = System.currentTimeMillis();
- if (message == null)
- return null;
- if (log.isTraceEnabled()) {
- Enumeration<String> names = message.getPropertyNames();
- while (names.hasMoreElements()) {
- String name = names.nextElement();
- log.trace("JMS Property: " + name + "="
- + message.getObjectProperty(name));
- }
- }
-
- Object res;
- if (message instanceof TextMessage) {
- String text = ((TextMessage) message).getText();
- if (text == null)
- throw new SlcException(
- "Cannot unmarshall message without body: " + message);
- try {
- res = unmarshaller.unmarshal(new StringSource(text));
- } catch (Exception e) {
- throw new SlcException("Could not unmarshall " + text, e);
- }
- } else if (message instanceof ObjectMessage) {
- res = ((ObjectMessage) message).getObject();
- if (res == null)
- throw new SlcException("Message without body: " + message);
- } else {
- throw new SlcException("This type of messages is not supported: "
- + message);
- }
- if (log.isTraceEnabled())
- log.trace("'From' message processed in " + (System.currentTimeMillis() - begin)
- + " ms");
- return res;
- }
-
- public Message toMessage(Object object, Session session)
- throws JMSException, MessageConversionException {
- long begin = System.currentTimeMillis();
- Message msg;
- if (disableMarshalling) {
- msg = session.createObjectMessage();
- ((ObjectMessage) msg).setObject((Serializable) object);
- } else {
- StringResult result = new StringResult();
- try {
- marshaller.marshal(object, result);
- } catch (Exception e) {
- throw new SlcException("Could not marshall " + object, e);
- }
- msg = session.createTextMessage();
- ((TextMessage) msg).setText(result.toString());
- }
- if (log.isTraceEnabled())
- log.trace("'To' message processed in " + (System.currentTimeMillis() - begin)
- + " ms");
- return msg;
- }
-
- public void setMarshaller(Marshaller marshaller) {
- this.marshaller = marshaller;
- }
-
- public void setUnmarshaller(Unmarshaller unmarshaller) {
- this.unmarshaller = unmarshaller;
- }
-
- public void setDisableMarshalling(Boolean disableMarshalling) {
- this.disableMarshalling = disableMarshalling;
- }
-
-}