ForwardingLogger.java

/*
 * Distributed as part of mchange-commons-java 0.2.11
 *
 * Copyright (C) 2015 Machinery For Change, Inc.
 *
 * Author: Steve Waldman <swaldman@mchange.com>
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of EITHER:
 *
 *     1) The GNU Lesser General Public License (LGPL), version 2.1, as 
 *        published by the Free Software Foundation
 *
 * OR
 *
 *     2) The Eclipse Public License (EPL), version 1.0
 *
 * You may choose which license to accept if you wish to redistribute
 * or modify this work. You may offer derivatives of this work
 * under the license you have chosen, or you may provide the same
 * choice of license which you have been offered here.
 *
 * This software 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.
 *
 * You should have received copies of both LGPL v2.1 and EPL v1.0
 * along with this software; see the files LICENSE-EPL and LICENSE-LGPL.
 * If not, the text of these licenses are currently available at
 *
 * LGPL v2.1: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 *  EPL v1.0: http://www.eclipse.org/org/documents/epl-v10.php 
 * 
 */

package com.mchange.v2.log.jdk14logging;

import java.util.*;
import java.util.logging.*;
import com.mchange.v2.log.*;

public final class ForwardingLogger extends Logger
{
    MLogger forwardTo;

    public ForwardingLogger( MLogger forwardTo, String resourceBundleName )
    { 
	super( forwardTo.getName(), resourceBundleName );
	this.forwardTo = forwardTo; 
    }

    public void log(LogRecord lr)
    {
	Level  lvl = lr.getLevel();
	MLevel mlvl = Jdk14LoggingUtils.mlevelFromLevel( lvl );

	String   rbName = lr.getResourceBundleName();
	String   msg    = lr.getMessage();
	Object[] params = lr.getParameters();

	String finalMsg = LogUtils.formatMessage( rbName, msg, params ); // robust to nulls

	Throwable t = lr.getThrown(); // may be null

	String scn = lr.getSourceClassName();
	String smn = lr.getSourceMethodName();
	
	boolean uses_srcloc = (scn != null & smn != null);

	if ( !uses_srcloc )
	    forwardTo.log( mlvl, finalMsg, t );
	else 
	    forwardTo.logp( mlvl, scn, smn, finalMsg, t );
    }
}