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Java > Open Source Codes > org > mortbay > util > LogSupport


1 // ========================================================================
2 // $Id: LogSupport.java,v 1.7 2004/08/08 06:37:00 gregwilkins Exp $
3 // Copyright 199-2004 Mort Bay Consulting Pty. Ltd.
4 // ------------------------------------------------------------------------
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
8 // http://www.apache.org/licenses/LICENSE-2.0
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 // ========================================================================
15
16 package org.mortbay.util;
17
18 import org.apache.commons.logging.Log;
19
20 /*-----------------------------------------------------------------------*/
21 /** Log Support class.
22  */
23 public class LogSupport
24 {
25     public final static String JavaDoc IGNORED= "IGNORED ";
26     public final static String JavaDoc EXCEPTION= "EXCEPTION ";
27     public final static String JavaDoc NOT_IMPLEMENTED= "NOT IMPLEMENTED ";
28
29     /* ------------------------------------------------------------ */
30     /**
31      * Ignore an exception unless trace is enabled.
32      * This works around the problem that log4j does not support the trace level.
33      */
34     public static void ignore(Log log,Throwable JavaDoc th)
35     {
36         if (log.isTraceEnabled()) log.trace(IGNORED,th);
37     }
38
39
40 }
41
42
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