runtime/org.argeo.slc.support.maven/src/main/java/org/argeo/slc/maven/embedder/MavenEmbedderLoggerManager.java

   1 /*
   2  * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
   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.argeo.slc.maven.embedder;
  18
  19 /*
  20  * Copyright 2001-2005 The Apache Software Foundation.
  21  *
  22  * Licensed under the Apache License, Version 2.0 (the "License");
  23  * you may not use this file except in compliance with the License.
  24  * You may obtain a copy of the License at
  25  *
  26  *      http://www.apache.org/licenses/LICENSE-2.0
  27  *
  28  * Unless required by applicable law or agreed to in writing, software
  29  * distributed under the License is distributed on an "AS IS" BASIS,
  30  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  31  * See the License for the specific language governing permissions and
  32  * limitations under the License.
  33  */
  34
  35 import org.codehaus.plexus.logging.AbstractLoggerManager;
  36 import org.codehaus.plexus.logging.Logger;
  37 import org.codehaus.plexus.logging.LoggerManager;
  38 import org.codehaus.plexus.logging.console.ConsoleLogger;
  39 import org.codehaus.plexus.personality.plexus.lifecycle.phase.Initializable;
  40
  41 /**
  42  * This is a simple logger manager that will only write the logging statements to the console.
  43  * <p/>
  44  * Sample configuration:
  45  * <pre>
  46  * <logging>
  47  *   <implementation>org.codehaus.plexus.logging.ConsoleLoggerManager</implementation>
  48  *   <logger>
  49  *     <threshold>DEBUG</threshold>
  50  *   </logger>
  51  * </logging>
  52  * </pre>
  53  *
  54  * @author <a href="mailto:jason@maven.org">Jason van Zyl</a>
  55  * @author <a href="mailto:trygvis@inamo.no">Trygve Laugst&oslash;l</a>
  56  * @version $Id: MavenEmbedderLoggerManager.java 292888 2005-10-01 01:17:36Z jvanzyl $
  57  */
  58 public class MavenEmbedderLoggerManager
  59     extends AbstractLoggerManager
  60     implements LoggerManager, Initializable
  61 {
  62     /**
  63      * Message of this level or higher will be logged.
  64      * <p/>
  65      * This field is set by the plexus container thus the name is 'threshold'. The field
  66      * currentThreshold contains the current setting of the threshold.
  67      */
  68     private String threshold = "info";
  69
  70     private int currentThreshold;
  71
  72     private Logger logger;
  73
  74     public MavenEmbedderLoggerManager( Logger logger )
  75     {
  76         this.logger = logger;
  77     }
  78
  79     public void initialize()
  80     {
  81         debug( "Initializing ConsoleLoggerManager: " + this.hashCode() + "." );
  82
  83         currentThreshold = parseThreshold( threshold );
  84
  85         if ( currentThreshold == -1 )
  86         {
  87             debug( "Could not parse the threshold level: '" + threshold + "', setting to debug." );
  88             currentThreshold = Logger.LEVEL_DEBUG;
  89         }
  90     }
  91
  92     public void setThreshold( int currentThreshold )
  93     {
  94         this.currentThreshold = currentThreshold;
  95     }
  96
  97     /**
  98      * @return Returns the threshold.
  99      */
 100     public int getThreshold()
 101     {
 102         return currentThreshold;
 103     }
 104
 105     public void setThreshold( String role, String roleHint, int threshold )
 106     {
 107     }
 108
 109     public int getThreshold( String role, String roleHint )
 110     {
 111         return currentThreshold;
 112     }
 113
 114     public Logger getLoggerForComponent( String role, String roleHint )
 115     {
 116         return logger;
 117     }
 118
 119     public void returnComponentLogger( String role, String roleHint )
 120     {
 121     }
 122
 123     public int getActiveLoggerCount()
 124     {
 125         return 1;
 126     }
 127
 128     private int parseThreshold( String text )
 129     {
 130         text = text.trim().toLowerCase();
 131
 132         if ( text.equals( "debug" ) )
 133         {
 134             return ConsoleLogger.LEVEL_DEBUG;
 135         }
 136         else if ( text.equals( "info" ) )
 137         {
 138             return ConsoleLogger.LEVEL_INFO;
 139         }
 140         else if ( text.equals( "warn" ) )
 141         {
 142             return ConsoleLogger.LEVEL_WARN;
 143         }
 144         else if ( text.equals( "error" ) )
 145         {
 146             return ConsoleLogger.LEVEL_ERROR;
 147         }
 148         else if ( text.equals( "fatal" ) )
 149         {
 150             return ConsoleLogger.LEVEL_FATAL;
 151         }
 152
 153         return -1;
 154     }
 155
 156     /**
 157      * Remove this method and all references when this code is verified.
 158      *
 159      * @param msg
 160      */
 161     private void debug( String msg )
 162     {
 163     }
 164 }