001 /* $RCSfile: LoggerUtil.java,v $
002 * $Revision: 1.2 $
003 * $Date: 2002/11/23 11:09:57 $
004 * $Author: uwe_guenther $
005 * $State: Exp $
006 *
007 * Created on January 11, 2002 10:23 AM
008 *
009 * Copyright (C) 2001 Uwe Guenther <uwe@cscc.de>
010 *
011 * This file is part of the jhbci JCE-ServiceProvider. The jhbci JCE-
012 * ServiceProvider is a library, written in JavaTM, that should be
013 * used in HBCI banking applications (clients and may be servers),
014 * to do cryptographic operations.
015 *
016 * The jhbci library is free software; you can redistribute it and/or
017 * modify it under the terms of the GNU Lesser General Public
018 * License as published by the Free Software Foundation; either
019 * version 2.1 of the License, or (at your option) any later version.
020 *
021 * The jhbci library is distributed in the hope that it will be useful,
022 * but WITHOUT ANY WARRANTY; without even the implied warranty of
023 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
024 * Lesser General Public License for more details.
025 *
026 * You should have received a copy of the GNU Lesser General Public
027 * License along with this library; if not, write to the Free Software
028 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
029 *
030 */
031
032 package de.cscc.crypto.util;
033
034 import java.util.logging.ConsoleHandler;
035 import java.util.logging.Handler;
036 import java.util.logging.Level;
037 import java.util.logging.Logger;
038
039 /**
040 * LoggerUtil Class.
041 *
042 * @author <a href=mailto:uwe@cscc.de>Uwe Günther</a>
043 *
044 * @version $Revision: 1.2 $
045 */
046 public class LoggerUtil {
047
048 /** Don't create new LoggerUtil, because its a wrapper for static methods.*/
049 private LoggerUtil() {
050 }
051
052 public static Logger setConsoleLogging(String category, Level level) {
053 if (category == null) {
054 throw new NullPointerException("Parameter category is null.");
055 }
056 if (level == null) {
057 throw new NullPointerException("Parameter level is null.");
058 }
059
060 //Switch _all_ global Handlers off.
061 Handler[] handlers = Logger.getLogger("").getHandlers();
062 for(int i = 0; i < handlers.length; i++) {
063 handlers[i].setLevel(Level.OFF);
064 }
065
066 //Setup the Logger for 'category'.
067 Logger log = Logger.getLogger(category);
068
069 //Set the logger to the Level 'level'.
070 log.setLevel(level);
071
072 //Create and add the ConsoleHandler.
073 Handler consoleHandler = new ConsoleHandler();
074 consoleHandler.setLevel(level);
075 log.addHandler(consoleHandler);
076
077 return log;
078 }
079 }