/*
 * 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();
        }
    }
}
