logger.java

STRUTS数据库项目开发宝典

package com.helpsoft.util.log;

/**
 * Interface for the logger object, for logging messages to a logfile
 * @author caoguangxin- www.relationinfo.com

 */
public interface Logger {

   /**
    * Logging a finest message
    * @param message the message to log
    */
   void finest(String message);

   /**
    * Logging a finer message
    * @param message the message to log
    */
   void finer(String message);

   /**
    * Logging a fine message
    * @param message the message to log
    */
   void fine(String message);

   /**
    * Logging a config message
    * @param message the message to log
    */
   void config(String message);

   /**
    * Logging an info message
    * @param message the message to log
    */
   void info(String message);


   /**
    * Logging a warning message
    * @param message the message to log
    */
   void warning(String message);

   /**
    * Logging a severe message
    * @param message the message to log
    */
   void severe(String message);

   //****************************************************
   //*  The methods from log4j also implemented below   *
   //****************************************************

   /**
    * Logging a debug message
    * @param message the message to log
    */
   void debug(String message);

   /**
    * Logging a debug message with the throwable message
    * @param message the message to log
    * @param t the exception
    */
   void debug(String message, Throwable t);

   /**
    * Logging an info message with the throwable message
    * @param message the message to log
    * @param t the exception
    */
   void info(String message, Throwable t);

   /**
    * Logging a warning message
    * @param message the message to log
    */
   void warn(String message);

   /**
    * Logging a warning message with the throwable message
    * @param message the message to log
    * @param t the exception
    */
   void warn(String message, Throwable t);

   /**
    * Logging an error message
    * @param message the message to log
    */
   void error(String message);

   /**
    * Logging an error message with the throwable message
    * @param message the message to log
    * @param t the exception
    */
   void error(String message, Throwable t);

   /**
    * Logging a fatal message
    * @param message the message to log
    */
   void fatal(String message);

   /**
    * Logging a fatal message with the throwable message
    * @param message the message to log
    * @param t the exception
    */
   void fatal(String message, Throwable t);
}