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

   1 package org.argeo.slc.maven.embedder;
   2
   3 /*
   4  * Copyright 2001-2005 The Apache Software Foundation.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *      http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18
  19 import org.codehaus.plexus.logging.AbstractLoggerManager;
  20 import org.codehaus.plexus.logging.Logger;
  21 import org.codehaus.plexus.logging.LoggerManager;
  22 import org.codehaus.plexus.logging.console.ConsoleLogger;
  23 import org.codehaus.plexus.personality.plexus.lifecycle.phase.Initializable;
  24
  25 /**
  26  * This is a simple logger manager that will only write the logging statements to the console.
  27  * <p/>
  28  * Sample configuration:
  29  * <pre>
  30  * <logging>
  31  *   <implementation>org.codehaus.plexus.logging.ConsoleLoggerManager</implementation>
  32  *   <logger>
  33  *     <threshold>DEBUG</threshold>
  34  *   </logger>
  35  * </logging>
  36  * </pre>
  37  *
  38  * @author <a href="mailto:jason@maven.org">Jason van Zyl</a>
  39  * @author <a href="mailto:trygvis@inamo.no">Trygve Laugst&oslash;l</a>
  40  * @version $Id: MavenEmbedderLoggerManager.java 292888 2005-10-01 01:17:36Z jvanzyl $
  41  */
  42 public class MavenEmbedderLoggerManager
  43     extends AbstractLoggerManager
  44     implements LoggerManager, Initializable
  45 {
  46     /**
  47      * Message of this level or higher will be logged.
  48      * <p/>
  49      * This field is set by the plexus container thus the name is 'threshold'. The field
  50      * currentThreshold contains the current setting of the threshold.
  51      */
  52     private String threshold = "info";
  53
  54     private int currentThreshold;
  55
  56     private Logger logger;
  57
  58     public MavenEmbedderLoggerManager( Logger logger )
  59     {
  60         this.logger = logger;
  61     }
  62
  63     public void initialize()
  64     {
  65         debug( "Initializing ConsoleLoggerManager: " + this.hashCode() + "." );
  66
  67         currentThreshold = parseThreshold( threshold );
  68
  69         if ( currentThreshold == -1 )
  70         {
  71             debug( "Could not parse the threshold level: '" + threshold + "', setting to debug." );
  72             currentThreshold = Logger.LEVEL_DEBUG;
  73         }
  74     }
  75
  76     public void setThreshold( int currentThreshold )
  77     {
  78         this.currentThreshold = currentThreshold;
  79     }
  80
  81     /**
  82      * @return Returns the threshold.
  83      */
  84     public int getThreshold()
  85     {
  86         return currentThreshold;
  87     }
  88
  89     public void setThreshold( String role, String roleHint, int threshold )
  90     {
  91     }
  92
  93     public int getThreshold( String role, String roleHint )
  94     {
  95         return currentThreshold;
  96     }
  97
  98     public Logger getLoggerForComponent( String role, String roleHint )
  99     {
 100         return logger;
 101     }
 102
 103     public void returnComponentLogger( String role, String roleHint )
 104     {
 105     }
 106
 107     public int getActiveLoggerCount()
 108     {
 109         return 1;
 110     }
 111
 112     private int parseThreshold( String text )
 113     {
 114         text = text.trim().toLowerCase();
 115
 116         if ( text.equals( "debug" ) )
 117         {
 118             return ConsoleLogger.LEVEL_DEBUG;
 119         }
 120         else if ( text.equals( "info" ) )
 121         {
 122             return ConsoleLogger.LEVEL_INFO;
 123         }
 124         else if ( text.equals( "warn" ) )
 125         {
 126             return ConsoleLogger.LEVEL_WARN;
 127         }
 128         else if ( text.equals( "error" ) )
 129         {
 130             return ConsoleLogger.LEVEL_ERROR;
 131         }
 132         else if ( text.equals( "fatal" ) )
 133         {
 134             return ConsoleLogger.LEVEL_FATAL;
 135         }
 136
 137         return -1;
 138     }
 139
 140     /**
 141      * Remove this method and all references when this code is verified.
 142      *
 143      * @param msg
 144      */
 145     private void debug( String msg )
 146     {
 147     }
 148 }