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/*
* Copyright (c) 2011, 2012 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.net4j.util.om.log;
import org.eclipse.net4j.util.om.OMPlatform;
import org.eclipse.net4j.util.om.log.OMLogger.Level;
/**
* Filters log events before they are being passed to the registered {@link OMLogHandler log handlers}.
*
* @since 3.2
* @author Eike Stepper
* @see OMPlatform#addLogFilter(OMLogFilter)
* @see OMPlatform#removeLogFilter(OMLogFilter)
*/
public interface OMLogFilter
{
/**
* Prevents the log event represented by the arguments from being passed to
* {@link OMPlatform#addLogFilter(OMLogFilter) registered} {@link OMLogHandler log handlers}, if and only if
* <code>true</code> is returned.
*/
public boolean filter(OMLogger logger, Level level, String msg, Throwable t);
}
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