/* ========================================================================
* 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);
}