/*
 * 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.log4j.or.jms;

import org.apache.log4j.helpers.LogLog;
import org.apache.log4j.or.ObjectRenderer;

import javax.jms.Message;
import javax.jms.JMSException;
import javax.jms.DeliveryMode;

/**
 * Render <code>javax.jms.Message</code> objects.
 * 
 * @author Ceki G&uuml;lc&uuml;
 * @since 1.0
 */
public class MessageRenderer implements ObjectRenderer {

    public MessageRenderer() {
    }

    /**
     * Render a {@link javax.jms.Message}.
     */
    public String doRender(Object o) {
	if (o instanceof Message) {
	    StringBuilder sbuf = new StringBuilder();
	    Message m = (Message) o;
	    try {
		sbuf.append("DeliveryMode=");
		switch (m.getJMSDeliveryMode()) {
		case DeliveryMode.NON_PERSISTENT:
		    sbuf.append("NON_PERSISTENT");
		    break;
		case DeliveryMode.PERSISTENT:
		    sbuf.append("PERSISTENT");
		    break;
		default:
		    sbuf.append("UNKNOWN");
		}
		sbuf.append(", CorrelationID=");
		sbuf.append(m.getJMSCorrelationID());

		sbuf.append(", Destination=");
		sbuf.append(m.getJMSDestination());

		sbuf.append(", Expiration=");
		sbuf.append(m.getJMSExpiration());

		sbuf.append(", MessageID=");
		sbuf.append(m.getJMSMessageID());

		sbuf.append(", Priority=");
		sbuf.append(m.getJMSPriority());

		sbuf.append(", Redelivered=");
		sbuf.append(m.getJMSRedelivered());

		sbuf.append(", ReplyTo=");
		sbuf.append(m.getJMSReplyTo());

		sbuf.append(", Timestamp=");
		sbuf.append(m.getJMSTimestamp());

		sbuf.append(", Type=");
		sbuf.append(m.getJMSType());

		// Enumeration enum = m.getPropertyNames();
		// while(enum.hasMoreElements()) {
		// String key = (String) enum.nextElement();
		// sbuf.append("; "+key+"=");
		// sbuf.append(m.getStringProperty(key));
		// }

	    } catch (JMSException e) {
		LogLog.error("Could not parse Message.", e);
	    }
	    return sbuf.toString();
	} else {
	    return o.toString();
	}
    }
}
