MessageRenderer xref

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    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17
    18  package org.apache.log4j.or.jms;
    19
    20  import org.apache.log4j.helpers.LogLog;
    21  import org.apache.log4j.or.ObjectRenderer;
    22
    23  import javax.jms.Message;
    24  import javax.jms.JMSException;
    25  import javax.jms.DeliveryMode;
    26
    27  /**
    28     Render <code>javax.jms.Message</code> objects.
    29
    30     @author Ceki G&uuml;lc&uuml;
    31     @since 1.0 */
    32  public class MessageRenderer implements ObjectRenderer {
    33
    34    public
    35    MessageRenderer() {
    36    }
    37
    38
    39    /**
    40       Render a {@link javax.jms.Message}.
    41    */
    42    public
    43    String  doRender(Object o) {
    44      if(o instanceof Message) {
    45        StringBuffer sbuf = new StringBuffer();
    46        Message m = (Message) o;
    47        try {
    48  	sbuf.append("DeliveryMode=");
    49  	switch(m.getJMSDeliveryMode()) {
    50  	case DeliveryMode.NON_PERSISTENT :
    51  	  sbuf.append("NON_PERSISTENT");
    52  	  break;
    53  	case DeliveryMode.PERSISTENT :
    54  	  sbuf.append("PERSISTENT");
    55  	  break;
    56  	default: sbuf.append("UNKNOWN");
    57  	}
    58  	sbuf.append(", CorrelationID=");
    59  	sbuf.append(m.getJMSCorrelationID());
    60
    61  	sbuf.append(", Destination=");
    62  	sbuf.append(m.getJMSDestination());
    63
    64  	sbuf.append(", Expiration=");
    65  	sbuf.append(m.getJMSExpiration());
    66
    67  	sbuf.append(", MessageID=");
    68  	sbuf.append(m.getJMSMessageID());
    69
    70  	sbuf.append(", Priority=");
    71  	sbuf.append(m.getJMSPriority());
    72
    73  	sbuf.append(", Redelivered=");
    74  	sbuf.append(m.getJMSRedelivered());
    75
    76  	sbuf.append(", ReplyTo=");
    77  	sbuf.append(m.getJMSReplyTo());
    78
    79  	sbuf.append(", Timestamp=");
    80  	sbuf.append(m.getJMSTimestamp());
    81
    82  	sbuf.append(", Type=");
    83  	sbuf.append(m.getJMSType());
    84
    85  	//Enumeration enum = m.getPropertyNames();
    86  	//while(enum.hasMoreElements()) {
    87  	//  String key = (String) enum.nextElement();
    88  	//  sbuf.append("; "+key+"=");
    89  	//  sbuf.append(m.getStringProperty(key));
    90  	//}
    91
    92        } catch(JMSException e) {
    93  	LogLog.error("Could not parse Message.", e);
    94        }
    95        return sbuf.toString();
    96      } else {
    97        return o.toString();
    98      }
    99    }
    100 }