costin      01/01/31 21:43:00

  Added:       src/share/org/apache/tomcat/modules/config LogSetter.java
  Log:
  The module will set up the loggers - should replace the hacks in
  configuration, and maybe allow us to plug a different logger later
  ( like log4j ).
  
  Revision  Changes    Path
  1.1                  
jakarta-tomcat/src/share/org/apache/tomcat/modules/config/LogSetter.java
  
  Index: LogSetter.java
  ===================================================================
  /*
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact [EMAIL PROTECTED]
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   * [Additional notices, if required by prior licensing conditions]
   *
   */
  
  package org.apache.tomcat.modules.config;
  
  import org.apache.tomcat.core.*;
  import org.apache.tomcat.util.log.*;
  import org.apache.tomcat.util.FileUtil;
  import java.io.*;
  import java.net.*;
  import java.util.*;
  
  /**
    Add a Logger.
    
    Logging in Tomcat is quite flexible; we can either have a log
    file per module (example: ContextManager) or we can have one
    for Servlets and one for Jasper, or we can just have one
    tomcat.log for both Servlet and Jasper.  Right now there are
    three standard log streams, "tc_log", "servlet_log", and
    "JASPER_LOG".  
    
    Path: 
    
    The file to which to output this log, relative to
    TOMCAT_HOME.  If you omit a "path" value, then stderr or
    stdout will be used.
    
    Verbosity: 
    
    Threshold for which types of messages are displayed in the
    log.  Levels are inclusive; that is, "WARNING" level displays
    any log message marked as warning, error, or fatal.  Default
    level is WARNING.  Note: servlet_log must be level
    INFORMATION in order to see normal servlet log messages.
    
    verbosityLevel values can be: 
    FATAL
    ERROR
    WARNING 
    INFORMATION
    DEBUG
  
    Timestamps:
    
    By default, logs print a timestamp in the form "yyyy-MM-dd
    hh:mm:ss" in front of each message.  To disable timestamps
    completely, set 'timestamp="no"'. To use the raw
    msec-since-epoch, which is more efficient, set
    'timestampFormat="msec"'.  If you want a custom format, you
    can use 'timestampFormat="hh:mm:ss"' following the syntax of
    java.text.SimpleDateFormat (see Javadoc API).  For a
    production environment, we recommend turning timestamps off,
    or setting the format to "msec".
    
    Custom Output:
    
    "Custom" means "normal looking".  "Non-custom" means
    "surrounded with funny xml tags".  In preparation for
    possibly disposing of "custom" altogether, now the default is
    'custom="yes"' (i.e. no tags)
    
    Per-component Debugging:
    
    Some components accept a "debug" attribute.  This further
    enhances log output.  If you set the "debug" level for a
    component, it may output extra debugging information.
  
   */
  public class LoggerSetter extends  BaseInterceptor {
      String name;
      String path;
      String verbosityLevel;
      boolean servletLogger=false;
      
      public LoggerSetter() {
      }
  
      /** Set the name of the logger.
       *  Predefined names are: tc_log, servlet_log, JASPER_LOG.
       */
      public void setName( String s ) {
        name=s;
      }
  
      public void setPath( String s ) {
        path=s;
      }
  
      public void setVerbosityLevel( String s ) {
        verbosityLevel=s;
      }
  
      /** This logger will be used for servlet's log.
       *  ( if not set, the logger will output tomcat messages )
       */
      public void setServletLogger( boolean b ) {
        servletLogger=b;
      }
      
      /**
       *  The log will be added and opened as soon as the module is
       *  added to the server
       */
      public void addInterceptor(ContextManager cm, Context ctx,
                               BaseInterceptor module)
        throws TomcatException
      {
        if( module!=this ) return;
  
        if( ! FileUtil.isAbsolute( path ) ) {
            File wd= new File(cm.getHome(), path);
            path= wd.getAbsolutePath();
        }
  
        QueueLogger ql=new QueueLogger();
        if( name==null )
            throw new TomcatException( "Invalid name for logger " );
        ql.setName(name);
  
        if( path!=null )
            ql.setPath(path);
        if( verbosityLevel!= null )
            ql.setVerbosityLevel(verbosityLevel);
  
        ql.open();
  
        cm.addLogger( ql );
  
        if( ctx!=null ) {
            if( servletLogger ) {
                ctx.setServletLogger( ql );
            } else {
                ctx.setLogger( ql );
            }
        }  
  
      }
  }
  
  
  

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