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Java > Open Source Codes > org > apache > log4j > spi > Configurator


1 /*
2  * Copyright 1999-2005 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
17 package org.apache.log4j.spi;
18
19 import org.apache.log4j.spi.LoggerRepository;
20 import java.net.URL JavaDoc;
21
22 /**
23    Implemented by classes capable of configuring log4j using a URL.
24    
25    @since 1.0
26    @author Anders Kristensen
27  */
28 public interface Configurator {
29
30   /**
31      Special level value signifying inherited behaviour. The current
32      value of this string constant is <b>inherited</b>. {@link #NULL}
33      is a synonym. */
34   public static final String JavaDoc INHERITED = "inherited";
35
36   /**
37      Special level signifying inherited behaviour, same as {@link
38      #INHERITED}. The current value of this string constant is
39      <b>null</b>. */
40   public static final String JavaDoc NULL = "null";
41
42
43
44   /**
45      Interpret a resource pointed by a URL and set up log4j accordingly.
46
47      The configuration is done relative to the <code>hierarchy</code>
48      parameter.
49
50      @param url The URL to parse
51      @param repository The hierarchy to operation upon.
52    */
53   void doConfigure(URL JavaDoc url, LoggerRepository repository);
54 }
55
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