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From rdon...@apache.org
Subject cvs commit: jakarta-commons/logging/src/java/org/apache/commons/logging Log.java
Date Thu, 03 Jan 2002 18:54:29 GMT
rdonkin     02/01/03 10:54:29

  Modified:    logging/src/java/org/apache/commons/logging Log.java
  Log:
  Same interface but added long license and java doc comments
  
  Revision  Changes    Path
  1.8       +165 -21   jakarta-commons/logging/src/java/org/apache/commons/logging/Log.java
  
  Index: Log.java
  ===================================================================
  RCS file: /home/cvs/jakarta-commons/logging/src/java/org/apache/commons/logging/Log.java,v
  retrieving revision 1.7
  retrieving revision 1.8
  diff -u -r1.7 -r1.8
  --- Log.java	4 Dec 2001 04:41:00 -0000	1.7
  +++ Log.java	3 Jan 2002 18:54:29 -0000	1.8
  @@ -1,38 +1,89 @@
   /*
  - * Copyright (C) The Apache Software Foundation. All rights reserved.
  + * $Header: /home/cvs/jakarta-commons/logging/src/java/org/apache/commons/logging/Log.java,v
1.8 2002/01/03 18:54:29 rdonkin Exp $
  + * $Revision: 1.8 $
  + * $Date: 2002/01/03 18:54:29 $
  + *
  + * ====================================================================
  + *
  + * 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;
   
   /**
  - * A simple logging interface abstracting logging APIs.  In order to be
  + * <p> A simple logging interface abstracting logging APIs.  In order to be
    * instantiated successfully by {@link LogSource}, classes that implement
    * this interface must have a constructor that takes a single String
  - * parameter representing the "name" of this Log.
  + * parameter representing the "name" of this Log. </p>
  + *
  + * <p> The log level determines whether a particular message
  + * should be passed to the logging implementation.
  + * Log levels are ordered numerically.
  + * For example, if the log level is <code>warn</code> 
  + * then the message passed to {@link #error} will be passed to the logging 
  + * implementation but if the log level is <code>fatal</code> or higher
  + * then the message will not.
    *
    * @author Rod Waldhoff
  - * @version $Id: Log.java,v 1.7 2001/12/04 04:41:00 craigmcc Exp $
  + * @version $Id: Log.java,v 1.8 2002/01/03 18:54:29 rdonkin Exp $
    */
   public interface Log {
  -    public void debug(Object message);
  -    public void debug(Object message, Throwable t);
  -    public void info(Object message);
  -    public void info(Object message, Throwable t);
  -    public void warn(Object message);
  -    public void warn(Object message, Throwable t);
  -    public void error(Object message);
  -    public void error(Object message, Throwable t);
  -    public void fatal(Object message);
  -    public void fatal(Object message, Throwable t);
  -    public boolean isDebugEnabled();
  -    public boolean isInfoEnabled();
  -    public void setLevel(int level);
  -    public int getLevel();
   
  +
  +    // --------------------------------------------------------- Log Level Constants
  +    
       /** All logging level. */
       public static final int ALL  = Integer.MIN_VALUE;
       /** "Debug" level logging. */
  @@ -47,4 +98,97 @@
       public static final int FATAL  = 50000;
       /** No logging level. */
       public static final int OFF  = Integer.MAX_VALUE;
  +    
  +    
  +    // --------------------------------------------------------- Logging Properties
  +    
  +    /**
  +     * <p> Is debug logging currently enabled? </p>
  +     *
  +     * <p> Call this method to prevent having to perform expensive operations
  +     * (for example, <code>String</code> concatination)
  +     * when the log level is more than debug. </p> 
  +     */
  +    public boolean isDebugEnabled();
  +    
  +    /**
  +     * <p> Is info logging currently enabled? </p>
  +     *
  +     * <p> Call this method to prevent having to perform expensive operations
  +     * (for example, <code>String</code> concatination)
  +     * when the log level is more than debug. </p> 
  +     */
  +    public boolean isInfoEnabled();
  +
  +    
  +    /**
  +     * <p> Set logging level. </p> 
  +     *
  +     * @param level new logging level
  +     */
  +    public void setLevel(int level);
  +    
  +    /**
  +     * <p> Get logging level. </p> 
  +     */
  +    public int getLevel();
  +
  +    
  +
  +    // --------------------------------------------------------- Logging Methods
  +
  +    /**
  +     * <p> Log a message with debug log level </p> 
  +     */
  +    public void debug(Object message);
  +    
  +    /**
  +     * <p> Log an error with debug log level </p> 
  +     */
  +    public void debug(Object message, Throwable t);
  +
  +    
  +    /**
  +     * <p> Log a message with info log level </p> 
  +     */
  +    public void info(Object message);
  +    
  +    /**
  +     * <p> Log an error with info log level </p> 
  +     */
  +    public void info(Object message, Throwable t);
  +    
  +    
  +    /**
  +     * <p> Log a message with warn log level </p> 
  +     */
  +    public void warn(Object message);
  +
  +    /**
  +     * <p> Log an error with warn log level </p> 
  +     */
  +    public void warn(Object message, Throwable t);
  +    
  +    
  +    /**
  +     * <p> Log a message with error log level </p> 
  +     */
  +    public void error(Object message);
  +
  +    /**
  +     * <p> Log an error with error log level </p> 
  +     */
  +    public void error(Object message, Throwable t);
  +    
  +    
  +    /**
  +     * <p> Log a message with fatal log level </p> 
  +     */
  +    public void fatal(Object message);
  +
  +    /**
  +     * <p> Log an error with fatal log level </p> 
  +     */
  +    public void fatal(Object message, Throwable t);
  +
   }
  
  
  

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