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Posted to slide-dev@jakarta.apache.org by re...@apache.org on 2001/02/12 06:49:13 UTC

cvs commit: jakarta-slide/src/wrappers/log4j Log4jLogger.java

remm        01/02/11 21:49:13

  Added:       src/wrappers/log4j Log4jLogger.java
  Log:
  - Add a Log4J wrapper.
  
  Revision  Changes    Path
  1.1                  jakarta-slide/src/wrappers/log4j/Log4jLogger.java
  
  Index: Log4jLogger.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-slide/src/wrappers/log4j/Log4jLogger.java,v 1.1 2001/02/12 05:49:13 remm Exp $
   * $Revision: 1.1 $
   * $Date: 2001/02/12 05:49:13 $
   *
   * ====================================================================
   *
   * 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 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/>.
   *
   * [Additional notices, if required by prior licensing conditions]
   *
   */
  
  package wrappers.log4j;
  
  import java.util.Date;
  import java.util.Locale;
  import java.text.SimpleDateFormat;
  import org.apache.slide.util.logger.Logger;
  import org.apache.log4j.*;
  
  /**
   * Log4j logger implementation.
   *
   * @author <a href="mailto:remm@apache.org">Remy Maucherat</a>
   */
  public class Log4jLogger implements Logger {
      
      
      // ----------------------------------------------------- Instance Variables
      
      
      /**
       * Log4j category.
       */
      private Category cat;
      
      
      /**
       * Logger level.
       */
      private int loggerLevel;
      
      
      /**
       * Name.
       */
      private String name;
      
      
      // ----------------------------------------------------- Static Initializer
      
      
      static {
          BasicConfigurator.configure();
      }
      
      
      // ------------------------------------------------------------- Properties
      
      
      /**
       * Logger level setter.
       *
       * @param loggerLevel New logger level
       */
      public void setLoggerLevel(int loggerLevel) {
          this.loggerLevel = loggerLevel;
          Priority priority = toPriority(loggerLevel);
          if (cat != null) {
              cat.setPriority(priority);
          }
      }
      
      
      /**
       * Set name.
       */
      public void setName(String name) {
          this.name = name;
          cat = Category.getInstance(name);
          Priority priority = toPriority(loggerLevel);
          cat.setPriority(priority);
      }
      
      
      // --------------------------------------------------------- Logger Methods
      
      
      /**
       * Log an object thru the specified channel and with the specified level.
       *
       * @param data The object to log.
       * @param channel The channel name used for logging.
       * @param level The level used for logging.
       */
      public void log(Object data, String channel, int level) {
          if (cat == null) {
              cat = Category.getInstance("Slide");
              Priority priority = toPriority(loggerLevel);
              cat.setPriority(priority);
          }
          Priority priority = toPriority(level);
          cat.log(priority, data);
      }
      
      
      /**
       * Log an object with the specified level.
       *
       * @param data The object to log.
       * @param level The level used for logging.
       */
      public void log(Object data, int level) {
          this.log(data, "default", level);
      }
      
      
      /**
       * Log an object.
       *
       * @param data The object to log.
       */
      public void log(Object data) {
          this.log(data, "default", Logger.DEBUG);
      }
      
      
      // ------------------------------------------------------ Protected Methods
      
      
      /**
       * Convert Slide priority to log4j priority.
       */
      protected Priority toPriority(int priority) {
          Priority result = null;
          
          switch (priority) {
          case EMERGENCY:
              result = Priority.FATAL;
              break;
          case CRITICAL:
              result = Priority.FATAL;
              break;
          case ERROR:
              result = Priority.ERROR;
              break;
          case WARNING:
              result = Priority.WARN;
              break;
          case INFO:
              result = Priority.INFO;
              break;
          case DEBUG:
              result = Priority.DEBUG;
              break;
          }
          
          if (result == null)
              result = Priority.toPriority(priority);
          return result;
      }
      
      
  }