+/*
+ * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
+ *
+ * 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.util.Enumeration;
+
import javax.jms.JMSException;
import javax.jms.Message;
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.xml.transform.StringSource;
public class MarshallerMessageConverter implements MessageConverter {
+ private final static Log log = LogFactory
+ .getLog(MarshallerMessageConverter.class);
+
private Marshaller marshaller;
private Unmarshaller unmarshaller;
+ /** @return the converted message or null if the message itself is null */
+ @SuppressWarnings("unchecked")
public Object fromMessage(Message message) throws JMSException,
MessageConversionException {
+ 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));
+ }
+ }
+
if (message instanceof TextMessage) {
+
String text = ((TextMessage) message).getText();
+
+ if (text == null)
+ throw new SlcException(
+ "Cannot unmarshall message without body: " + message);
+
try {
return unmarshaller.unmarshal(new StringSource(text));
} catch (Exception e) {
throw new SlcException("Could not unmarshall " + text, e);
}
} else {
- throw new SlcException("Only JMS TextMessage are supported.");
+ throw new SlcException("This type of messages is not supported: "
+ + message);
}
}