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/*
 * (c) Copyright 2008, 2009 Hewlett-Packard Development Company, LP
 * All rights reserved.
 * [See end of file]
 */

package logging;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

// Simple wrapper for convenient, non-time critical logging.
public class Log
{
    private Log() {}
    
    static public void info(Object caller, String msg)
    {
        log(caller.getClass()).info(msg) ;
    }
    
    static public void info(Class cls, String msg)
    {
        log(cls).info(msg) ;
    }
    
    static public void info(Object caller, String msg, Throwable th)
    {
        log(caller.getClass()).info(msg, th) ;
    }
    
    static public void info(Class cls, String msg, Throwable th)
    {
        log(cls).info(msg, th) ;
    }
    
    static public void warn(Object caller, String msg)
    {
        warn(caller.getClass(), msg) ;
    }

    static public void warn(Class cls, String msg)
    {
        log(cls).warn(msg) ;
    }

    static public void warn(Object caller, String msg, Throwable th)
    {
        warn(caller.getClass(), msg, th) ;
    }

    static public void warn(Class cls, String msg, Throwable th)
    {
        log(cls).warn(msg, th) ;
    }

    static public void fatal(Object caller, String msg)
    {
        fatal(caller.getClass(), msg) ;
    }

    static public void fatal(Class cls, String msg)
    {
        log(cls).error(msg) ;
    }

    static public void fatal(Object caller, String msg, Throwable th)
    {
        fatal(caller.getClass(), msg, th) ;
    }

    static public void fatal(Class cls, String msg, Throwable th)
    {
        log(cls).error(msg, th) ;
    }

    static public Logger log(Class cls)
    {
        return LoggerFactory.getLogger(cls) ;
    }
    
    /** Turn on a logger (all levels). 
     *  Works for Log4j and Java logging as the logging provider to Apache common logging or slf4j.
     */
    static public void enable(String logger)
    {
        enable(logger, "all") ;
    }
    
    static public void enable(String logger, String level)
    {
        org.apache.log4j.Level level1 = org.apache.log4j.Level.ALL ;
        java.util.logging.Level level2 = java.util.logging.Level.ALL ;
        if ( level.equalsIgnoreCase("info"))
        {
            level1 = org.apache.log4j.Level.INFO ;
            level2 = java.util.logging.Level.INFO ;
        }

        if ( level.equalsIgnoreCase("debug"))
        {
            level1 = org.apache.log4j.Level.DEBUG ;
            level2 = java.util.logging.Level.FINE ;
        }
        
        if ( level.equalsIgnoreCase("warn"))
        {
            level1 = org.apache.log4j.Level.WARN ;
            level2 = java.util.logging.Level.WARNING ;
        }
        logLevel(logger, level1, level2) ;
    }
    
    static public void logLevel(String logger, org.apache.log4j.Level level1, java.util.logging.Level level2 )
    {
        org.apache.log4j.LogManager.getLogger(logger).setLevel(level1) ;
        java.util.logging.Logger.getLogger(logger).setLevel(level2) ;
    }
    
    /** Turn on a logger (all levels). 
     *  Works for Log4j and Java logging as the logging provider to Apache common logging or slf4j.
     */
    static public void enable(Class logger)
    {
        org.apache.log4j.LogManager.getLogger(logger).setLevel(org.apache.log4j.Level.ALL) ;
        java.util.logging.Logger.getLogger(logger.getName()).setLevel(java.util.logging.Level.ALL) ;
    }
    
    /** Turn on a logger (all levels). 
     *  Works for Log4j and Java logging as the logging provider to Apache common logging or slf4j.
     */
    static public void disable(String logger)
    {
        org.apache.log4j.LogManager.getLogger(logger).setLevel(org.apache.log4j.Level.OFF) ;
        java.util.logging.Logger.getLogger(logger).setLevel(java.util.logging.Level.OFF) ;
    }
    /** Turn on a logger (all levels). 
     *  Works for Log4j and Java logging as the logging provider to Apache common logging or slf4j.
     */
    static public void disable(Class logger)
    {
        org.apache.log4j.LogManager.getLogger(logger).setLevel(org.apache.log4j.Level.OFF) ;
        java.util.logging.Logger.getLogger(logger.getName()).setLevel(java.util.logging.Level.OFF) ;
    }

}

/*
 * (c) Copyright 2008, 2009 Hewlett-Packard Development Company, LP
 * 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 name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 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 AUTHOR 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.
 */