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/*
 * Copyright (c) 1998-2010, Peter T Mount

 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 
 *   Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 *   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.
 *
 *   Neither the name of the retep.org.uk nor the names of its contributors
 *   may be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * 
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "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 COPYRIGHT OWNER
 * OR 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.
 */
package uk.org.retep.logging;

import java.io.File;
import java.net.MalformedURLException;
import java.util.logging.Handler;
import java.util.logging.Logger;
import org.apache.log4j.xml.DOMConfigurator;

/**
 *
 * @author peter
 */
public class LogFactory
{

    public static Log getLog( Class clazz )
    {
        return new Log( clazz );
    }

    /**
     *
     * @param name
     * @param args
     * @return
     * @deprecated use {@link #getLog(java.lang.Class)
     */
    @Deprecated
    @SuppressWarnings( "deprecation" )
    public static Log getLog( String name, Object... args )
    {
        return new Log( name, args );
    }

    private LogFactory()
    {
        // Static methods only
    }


    static
    {
        try
        {
            final Logger logger = Logger.getLogger( "" );
            final Handler handlers[] = logger.getHandlers();
            if( handlers != null && handlers.length > 0 )
            {
                for( Handler handler : handlers )
                {
                    logger.removeHandler( handler );
                }
            }
            logger.addHandler( new Log4JHandler() );
        }
        catch( Throwable t )
        {
            t.printStackTrace();
        }
    }

    public static void configureLog4J()
    {
        DOMConfigurator.configure(
                LogFactory.class.getResource( "/log4j.xml" ) );
    }

    public static void configureLog4J( File homeDirectory )
            throws MalformedURLException
    {
        configureLog4J( homeDirectory, "log4j.xml" );
    }

    public static void configureLog4J( File homeDirectory, String name )
            throws MalformedURLException
    {
        // Configure Log4J before anything else
        File logFile = new File( homeDirectory, name );
        if( logFile.exists() && logFile.isFile() && logFile.canRead() )
        {
            DOMConfigurator.configure( logFile.toURI().toURL() );
        }
        else
        {
            // use our default one
            configureLog4J();
        }
    }
}