/*
* $Id$
*
* Copyright 2006, The jCoderZ.org Project. 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 jCoderZ.org Project 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 REGENTS 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 REGENTS AND 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 org.jcoderz.commons.util;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Helper class around JDK logging.
* @author Andreas Mandel
*/
public final class LoggingUtils
{
private static final String CLASSNAME = LoggingUtils.class.getName();
private static final Logger logger = Logger.getLogger(CLASSNAME);
private LoggingUtils ()
{
// NO INSTANCE
}
/**
* Set all log levels of all active handlers to the given
* level. Not for app server usage but helpful for small
* local utilities.
* @param level The level to be set in all registered Handlers.
*/
public static void setGlobalHandlerLogLevel (Level level)
{
Assert.notNull(level, "level");
final Handler[] handlers = Logger.getLogger("").getHandlers();
for (int index = 0; index < handlers.length; index++)
{
try
{
handlers[index].setLevel(level);
}
catch (Exception e) // Might be a security exception...
{
logger.log(Level.FINE,
"Failed to change loglevel for Handler '"
+ handlers[index] + "'.", e);
}
}
}
}