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From rdon...@apache.org
Subject cvs commit: jakarta-commons/logging/src/java/org/apache/commons/logging LogSource.java
Date Thu, 03 Jan 2002 18:58:00 GMT
rdonkin     02/01/03 10:58:00

  Modified:    logging/src/java/org/apache/commons/logging LogSource.java
  Log:
  Same implementation but added long license and java doc comments
  
  Revision  Changes    Path
  1.5       +81 -7     jakarta-commons/logging/src/java/org/apache/commons/logging/LogSource.java
  
  Index: LogSource.java
  ===================================================================
  RCS file: /home/cvs/jakarta-commons/logging/src/java/org/apache/commons/logging/LogSource.java,v
  retrieving revision 1.4
  retrieving revision 1.5
  diff -u -r1.4 -r1.5
  --- LogSource.java	4 Dec 2001 04:28:03 -0000	1.4
  +++ LogSource.java	3 Jan 2002 18:58:00 -0000	1.5
  @@ -1,9 +1,62 @@
   /*
  - * Copyright (C) The Apache Software Foundation. All rights reserved.
  + * $Header: /home/cvs/jakarta-commons/logging/src/java/org/apache/commons/logging/LogSource.java,v
1.5 2002/01/03 18:58:00 rdonkin Exp $
  + * $Revision: 1.5 $
  + * $Date: 2002/01/03 18:58:00 $
  + *
  + * ====================================================================
  + *
  + * The Apache Software License, Version 1.1
  + *
  + * Copyright (c) 1999-2001 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", "Commons", 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 apache@apache.org.
  + *
  + * 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/>.
    *
  - * This software is published under the terms of the Apache Software License
  - * version 1.1, a copy of which has been included with this distribution in
  - * the LICENSE file.
    */
   
   package org.apache.commons.logging;
  @@ -19,11 +72,19 @@
    * of the configured {@link Log} implementation class.</p>
    *
    * @author Rod Waldhoff
  - * @version $Id: LogSource.java,v 1.4 2001/12/04 04:28:03 craigmcc Exp $
  + * @version $Id: LogSource.java,v 1.5 2002/01/03 18:58:00 rdonkin Exp $
    */
   public class LogSource {
  +
  +    // --------------------------------------------------------- Class Attributes
  +    
       static protected HashMap _logs = new HashMap();
  +    /** Is log4j available (in the current classpath) */
       static protected boolean _log4jIsAvailable = false;
  +    
  +    
  +    // --------------------------------------------------------- Class Initializers
  +    
       static {
           try {
               if(null != Class.forName("org.apache.log4j.Category")) {
  @@ -40,10 +101,14 @@
           }
       }
   
  +    /** Constructor for current log class */
       static protected Constructor _logimplctor = null;
       static {
           try {
  -            setLogImplementation(System.getProperty("org.apache.commons.logging.log","org.apache.commons.logging.NoOpLog"));
  +            setLogImplementation(
  +                System.getProperty(
  +                    "org.apache.commons.logging.log","org.apache.commons.logging.NoOpLog"));
  +                    
           } catch(SecurityException e) {
               _logimplctor = null;
           } catch(LinkageError e) {
  @@ -55,9 +120,15 @@
           }
       }
   
  +
  +    // --------------------------------------------------------- Constructor
  +    
  +    /** Don't allow others to create instances */
       private LogSource() {
       }
   
  +    // --------------------------------------------------------- Class Methods
  +
       /**
        * Set the log implementation/log implementation factory
        * by the name of the class.  The given class
  @@ -89,6 +160,8 @@
           _logimplctor = logclass.getConstructor(argtypes);
       }
   
  +
  +    /** Get a <code>Log</code> instance by class name */
       static public Log getInstance(String name) {
           Log log = (Log)(_logs.get(name));
           if(null == log) {
  @@ -98,6 +171,7 @@
           return log;
       }
   
  +    /** Get a <code>Log</code> instance by class */
       static public Log getInstance(Class clazz) {
           return getInstance(clazz.getName());
       }
  @@ -116,7 +190,7 @@
        * {@link String} argument (containing the <i>name</i>
        * of the {@link Log} to be constructed.
        * <p>
  -     * When <tt>httpclient.log</tt> is not set,
  +     * When <tt>org.apache.commons.logging.log</tt> is not set,
        * or when no corresponding class can be found,
        * this method will return a {@link Log4JCategoryLog}
        * if the log4j {@link org.apache.log4j.Category} class is
  
  
  

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