/**
* 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.cxf.transport.jms.util;
import java.io.Serializable;
import javax.jms.BytesMessage;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.ObjectMessage;
import javax.jms.Session;
import javax.jms.StreamMessage;
import javax.jms.TextMessage;
/**
* Converts jms messages to Objects and vice a versa.
* <p>
* String <=> {@link javax.jms.TextMessage}
* byte[] <=> {@link javax.jms.BytesMessage}
* Serializable object <=> {@link javax.jms.ObjectMessage}
*/
public class JMSMessageConverter {
public Message toMessage(Object object, Session session) throws JMSException {
if (object instanceof Message) {
return (Message)object;
} else if (object instanceof String) {
return session.createTextMessage((String)object);
} else if (object instanceof byte[]) {
BytesMessage message = session.createBytesMessage();
message.writeBytes((byte[])object);
return message;
} else if (object instanceof Serializable) {
return session.createObjectMessage((Serializable)object);
} else {
throw new IllegalArgumentException("Unsupported type " + nullSafeClassName(object) + "."
+ " Valid types are: String, byte[], Serializable object.");
}
}
private String nullSafeClassName(Object object) {
return object == null ? "null" : object.getClass().getName();
}
public Object fromMessage(Message message) throws JMSException {
if (message instanceof TextMessage) {
return ((TextMessage)message).getText();
} else if (message instanceof BytesMessage) {
BytesMessage message1 = (BytesMessage)message;
byte[] bytes = new byte[(int)message1.getBodyLength()];
message1.readBytes(bytes);
return bytes;
} else if (message instanceof ObjectMessage) {
return ((ObjectMessage)message).getObject();
} else if (message instanceof StreamMessage) {
StreamMessage streamMessage = (StreamMessage)message;
return streamMessage.readObject();
} else {
return new byte[]{};
}
}
}