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comparison src/fschmidt/util/log4j/AppSpecificAppender.java @ 68:00520880ad02

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add fschmidt source
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 05 Oct 2025 17:24:15 -0600
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67:9d0fefce6985 68:00520880ad02
1 /*
2 Copyright (c) 2008 Franklin Schmidt <fschmidt@gmail.com>
3
4 Permission is hereby granted, free of charge, to any person obtaining a copy
5 of this software and associated documentation files (the "Software"), to deal
6 in the Software without restriction, including without limitation the rights
7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 copies of the Software, and to permit persons to whom the Software is
9 furnished to do so, subject to the following conditions:
10
11 The above copyright notice and this permission notice shall be included in
12 all copies or substantial portions of the Software.
13
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20 THE SOFTWARE.
21 */
22
23 package fschmidt.util.log4j;
24
25 import java.util.Map;
26 import java.util.HashMap;
27 import org.apache.log4j.Appender;
28 import org.apache.log4j.AppenderSkeleton;
29 import org.apache.log4j.spi.LoggingEvent;
30 import org.apache.log4j.spi.ThrowableInformation;
31
32
33 public final class AppSpecificAppender extends AppenderSkeleton {
34 private static final ThreadLocal<String> localApp = new ThreadLocal<String>();
35
36 public static void setApp(String app) {
37 localApp.set(app);
38 }
39
40 private final Map<String,Appender> map = new HashMap<String,Appender>();
41 private final Appender defaultAppender;
42
43 public AppSpecificAppender(Appender defaultAppender) {
44 this.defaultAppender = defaultAppender;
45 }
46
47 public void add(String app,Appender appender) {
48 map.put(app,appender);
49 }
50
51 public boolean requiresLayout() {
52 return false;
53 }
54
55 private Appender getAppender() {
56 String app = (String)localApp.get();
57 if( app==null )
58 return defaultAppender;
59 Appender appender = (Appender)map.get(app);
60 return appender!=null ? appender : defaultAppender;
61 }
62
63 protected void append(LoggingEvent event) {
64 getAppender().doAppend(event);
65 }
66
67 public void close() {
68 Appender[] appenders = (Appender[])map.values().toArray(new Appender[0]);
69 for( int i=0; i<appenders.length; i++ ) {
70 appenders[i].close();
71 }
72 defaultAppender.close();
73 }
74 }