1   
    2   
    3   /*
    4    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
    5    * 
    6    * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
    7    * 
    8    * Portions Copyright Apache Software Foundation.
    9    * 
   10    * The contents of this file are subject to the terms of either the GNU
   11    * General Public License Version 2 only ("GPL") or the Common Development
   12    * and Distribution License("CDDL") (collectively, the "License").  You
   13    * may not use this file except in compliance with the License. You can obtain
   14    * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
   15    * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
   16    * language governing permissions and limitations under the License.
   17    * 
   18    * When distributing the software, include this License Header Notice in each
   19    * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
   20    * Sun designates this particular file as subject to the "Classpath" exception
   21    * as provided by Sun in the GPL Version 2 section of the License file that
   22    * accompanied this code.  If applicable, add the following below the License
   23    * Header, with the fields enclosed by brackets [] replaced by your own
   24    * identifying information: "Portions Copyrighted [year]
   25    * [name of copyright owner]"
   26    * 
   27    * Contributor(s):
   28    * 
   29    * If you wish your version of this file to be governed by only the CDDL or
   30    * only the GPL Version 2, indicate your decision by adding "[Contributor]
   31    * elects to include this software in this distribution under the [CDDL or GPL
   32    * Version 2] license."  If you don't indicate a single choice of license, a
   33    * recipient has the option to distribute your version of this file under
   34    * either the CDDL, the GPL Version 2 or to extend the choice of license to
   35    * its licensees as provided above.  However, if you add GPL Version 2 code
   36    * and therefore, elected the GPL Version 2 license, then the option applies
   37    * only if the new code is made subject to such option by the copyright
   38    * holder.
   39    */
   40   package org.apache.tomcat.util.log;
   41   
   42   import java.io;
   43   import java.lang.reflect;
   44   import java.util;
   45   
   46   
   47   /**
   48    * Allows the control the log properties at runtime.
   49    * Normal applications will just use Log, without having to
   50    * deal with the way the log is configured or managed.
   51    *
   52    *
   53    * @author Alex Chaffee [alex@jguru.com]
   54    * @author Costin Manolache
   55    **/
   56   public class LogManager {
   57   
   58       //static LogHandler defaultChannel=new LogHandler();
   59       static LogHandler defaultChannel=new CommonLogHandler();
   60       
   61       protected Hashtable loggers=new Hashtable();
   62       protected Hashtable channels=new Hashtable();
   63   
   64       public  Hashtable getLoggers() {
   65   	return loggers;
   66       }
   67   
   68       public Hashtable getChannels() {
   69   	return channels;
   70       }
   71       
   72       public static void setDefault( LogHandler l ) {
   73   	if( defaultChannel==null)
   74   	    defaultChannel=l;
   75       }
   76   
   77       public void addChannel( String name, LogHandler logH ) {
   78   	if(name==null) name="";
   79   
   80   	channels.put( name, logH );
   81   	Enumeration enumeration=loggers.keys();
   82   	while( enumeration.hasMoreElements() ) {
   83   	    String k=(String)enumeration.nextElement();
   84   	    Log l=(Log)loggers.get( k );
   85   	    if( name.equals( l.getChannel( this ) )) {
   86   		l.setProxy( this, logH );
   87   	    }
   88   	}
   89       }
   90       
   91       /** Default method to create a log facade.
   92        */
   93       public Log getLog( String channel, String prefix,
   94   		       Object owner ) {
   95   	if( prefix==null && owner!=null ) {
   96   	    String cname = owner.getClass().getName();
   97   	    prefix = cname.substring( cname.lastIndexOf(".") +1);
   98   	}
   99   
  100   	LogHandler proxy=(LogHandler)channels.get(channel);
  101   	if( proxy==null ) proxy=defaultChannel;
  102   	
  103   	// user-level loggers
  104   	Log log=new Log( channel, prefix, proxy, owner );
  105   	loggers.put( channel + ":" + prefix, log );
  106   	if( dL > 0 )
  107   	    System.out.println("getLog facade " + channel + ":" + prefix);
  108   	return log;
  109       }
  110   
  111       private static int dL=0;
  112   
  113   }