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Java > Open Source Codes > org > apache > log > LogTarget


1 /*
2  * Copyright 1999-2004 The Apache Software Foundation
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
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
12  * implied.
13  *
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 package org.apache.log;
18
19 /**
20  * LogTarget is a class to encapsulate outputting LogEvent's.
21  * This provides the base for all output and filter targets.
22  *
23  * Warning: If performance becomes a problem then this
24  * interface will be rewritten as a abstract class.
25  *
26  * @author Peter Donald
27  */
28 public interface LogTarget
29 {
30     /**
31      * Process a log event.
32      * In NO case should this method ever throw an exception/error.
33      * The reason is that logging is usually added for debugging/auditing
34      * purposes and it would be unnaceptable to have your debugging
35      * code cause more errors.
36      *
37      * @param event the event
38      */
39     void processEvent( LogEvent event );
40 }
41
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