1 /*
2 * Copyright 2002,2004 The Apache Software Foundation.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.apache.commons.jelly.tags.log;
17
18 import org.apache.commons.jelly.JellyTagException;
19 import org.apache.commons.jelly.XMLOutput;
20 import org.apache.commons.logging.Log;
21
22 /***
23 * A tag which generates TRACE level logging statement using
24 * the given category name.
25 *
26 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
27 * @version $Revision: 155420 $
28 */
29 public class TraceTag extends LogTagSupport {
30
31 public TraceTag() {
32 }
33
34 // Tag interface
35 //-------------------------------------------------------------------------
36 public void doTag(XMLOutput output) throws JellyTagException {
37 Log log = getLog();
38 if ( log.isTraceEnabled() ) {
39 log.trace( getBodyText(isEncode()) );
40 }
41 }
42 }