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1
8 package org.apache.avalon.phoenix.components.logger;
9
10 import java.io.File  ;
11 import java.io.IOException ;
12 import java.util.HashMap ;
13 import org.apache.avalon.excalibur.i18n.ResourceManager;
14 import org.apache.avalon.excalibur.i18n.Resources;
15 import org.apache.avalon.excalibur.logger.LoggerManager;
16 import org.apache.avalon.framework.configuration.Configurable;
17 import org.apache.avalon.framework.configuration.Configuration;
18 import org.apache.avalon.framework.configuration.ConfigurationException;
19 import org.apache.avalon.framework.context.Context;
20 import org.apache.avalon.framework.context.ContextException;
21 import org.apache.avalon.framework.context.Contextualizable;
22 import org.apache.avalon.framework.logger.AbstractLogEnabled;
23 import org.apache.avalon.framework.logger.AvalonFormatter;
24 import org.apache.avalon.framework.logger.LogKitLogger;
25 import org.apache.log.Hierarchy;
26 import org.apache.log.LogTarget;
27 import org.apache.log.Logger;
28 import org.apache.log.Priority;
29 import org.apache.log.output.io.FileTarget;
30
31
38 public class SimpleLogKitManager
39 extends AbstractLogEnabled
40 implements LoggerManager, Contextualizable, Configurable
41 {
42 private static final Resources REZ =
43 ResourceManager.getPackageResources( SimpleLogKitManager.class );
44
45 private static final String DEFAULT_FORMAT =
46 "%7.7{priority} %23.23{time:yyyy-MM-dd' 'HH:mm:ss.SSS} [%8.8{category}] (%{context}): "
47 + "%{message}\n%{throwable}";
48
49 private File m_baseDirectory;
51
52
54 private final Hierarchy m_hierarchy = new Hierarchy();
55
56 private final Logger m_logkitLogger = m_hierarchy.getLoggerFor( "" );
57
58 private org.apache.avalon.framework.logger.Logger m_logger =
59 new LogKitLogger( m_logkitLogger );
60
61 public void contextualize( final Context context )
62 throws ContextException
63 {
64 m_baseDirectory = (File )context.get( "app.home" );
65 }
66
67 public void configure( final Configuration configuration )
68 throws ConfigurationException
69 {
70 final Configuration[] targets = configuration.getChildren( "log-target" );
71 final HashMap targetSet = configureTargets( targets );
72 final Configuration[] categories = configuration.getChildren( "category" );
73 configureCategories( categories, targetSet );
74 }
75
76 public org.apache.avalon.framework.logger.Logger
77 getLoggerForCategory( final String categoryName )
78 {
79 return m_logger.getChildLogger( categoryName );
80 }
81
82 public org.apache.avalon.framework.logger.Logger getDefaultLogger()
83 {
84 return m_logger;
85 }
86
87
94 private HashMap configureTargets( final Configuration[] targets )
95 throws ConfigurationException
96 {
97 final HashMap targetSet = new HashMap ();
98
99 for( int i = 0; i < targets.length; i++ )
100 {
101 final Configuration target = targets[ i ];
102 final String name = target.getAttribute( "name" );
103 String location = target.getAttribute( "location" ).trim();
104 final String format = target.getAttribute( "format", DEFAULT_FORMAT );
105
106 if( '/' == location.charAt( 0 ) )
107 {
108 location = location.substring( 1 );
109 }
110
111 final AvalonFormatter formatter = new AvalonFormatter( format );
112
113 final File file = new File ( m_baseDirectory, location );
115
116 FileTarget logTarget = null;
118 try
119 {
120 logTarget = new FileTarget( file.getAbsoluteFile(), false, formatter );
121 }
122 catch( final IOException ioe )
123 {
124 final String message =
125 REZ.getString( "target.nocreate", name, file, ioe.getMessage() );
126 throw new ConfigurationException( message, ioe );
127 }
128
129 targetSet.put( name, logTarget );
130 }
131
132 return targetSet;
133 }
134
135
142 private void configureCategories( final Configuration[] categories, final HashMap targets )
143 throws ConfigurationException
144 {
145 for( int i = 0; i < categories.length; i++ )
146 {
147 final Configuration category = categories[ i ];
148 final String name = category.getAttribute( "name", "" );
149 final String target = category.getAttribute( "target" );
150 final String priorityName = category.getAttribute( "priority" );
151
152 final Logger logger =
153 m_logkitLogger.getChildLogger( name );
154
155 final LogTarget logTarget = (LogTarget)targets.get( target );
156 if( null == target )
157 {
158 final String message = REZ.getString( "unknown-target", target, name );
159 throw new ConfigurationException( message );
160 }
161
162 final Priority priority = Priority.getPriorityForName( priorityName );
163 if( !priority.getName().equals( priorityName ) )
164 {
165 final String message = REZ.getString( "unknown-priority", priorityName, name );
166 throw new ConfigurationException( message );
167 }
168
169 if( getLogger().isDebugEnabled() )
170 {
171 final String message =
172 REZ.getString( "category-create", name, target, priorityName );
173 getLogger().debug( message );
174 }
175
176 if( name.equals( "" ) )
177 {
178 m_hierarchy.setDefaultPriority( priority );
179 m_hierarchy.setDefaultLogTarget( logTarget );
180 }
181 else
182 {
183 logger.setPriority( priority );
184 logger.setLogTargets( new LogTarget[]{logTarget} );
185 }
186 }
187 }
188 }
189 |
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