content: /* ========================================================================
   * JCommon : a free general purpose class library for the Java(tm) platform
   * ========================================================================
   *
   * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
   * 
   * Project Info:  http://www.jfree.org/jcommon/index.html
   *
   * This library is free software; you can redistribute it and/or modify it 
   * under the terms of the GNU Lesser General Public License as published by 
   * the Free Software Foundation; either version 2.1 of the License, or 
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but 
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
   * USA.  
   *
   * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
   * in the United States and other countries.]
   * 
   * --------------
   * LogTarget.java
   * --------------
   * (C)opyright 2002-2004, by Object Refinery Limited.
   *
   * $Id: LogTarget.java,v 1.3 2005/11/14 10:55:59 mungady Exp $
   *
   * Changes
   * -------
   * 11-May-2002 : Initial version
   * 06-Dec-2002 : LogTargets now use Object-Parameters instead of Strings.
   * 05-Feb-2003 : Removed unnecessary methods.
   * 29-Apr-2003 : Distilled from the JFreeReport project and moved into JCommon
   * 
   */
  
  package org.jfree.util;
  
  /**
   * An interface that defines a log target (a consumer of log messages).  Classes which
   * implement this interface can be registered with the {@link org.jfree.util.Log} class
   * and will then receive logging messages generated by the code.
   *
   * @author Thomas Morgner
   */
  public interface LogTarget {
  
      /**
       * Loglevel ERROR.
       */
      public static final int ERROR = 0;
  
      /**
       * Loglevel WARN.
       */
      public static final int WARN = 1;
  
      /**
       * Loglevel INFO.
       */
      public static final int INFO = 2;
  
      /**
       * Loglevel DEBUG.
       */
      public static final int DEBUG = 3;
  
      /** Strings for the log levels. */
      public static final String[] LEVELS =
          {
              "ERROR: ",
              "WARN:  ",
              "INFO:  ",
              "DEBUG: "
          };
  
      /**
       * Logs a message at a specified log level.
       *
       * @param level  the log level.
       * @param message  the log message.
       */
      public void log(int level, Object message);
  
      /**
       * Logs a message at a specified log level.
       *
       * @param level  the log level.
       * @param message  the log message.
       * @param e  the exception
       */
      public void log(int level, Object message, Exception e);
  }
  