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What this is
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The source code/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software
* License version 1.1, a copy of which has been included with this
* distribution in the LICENSE.txt file. */
package org.apache.log4j.varia;
import org.apache.log4j.Appender;
import org.apache.log4j.Layout;
import org.apache.log4j.spi.OptionHandler;
import org.apache.log4j.spi.LoggingEvent;
import org.apache.log4j.spi.ErrorHandler;
import org.apache.log4j.spi.Filter;
import org.apache.log4j.AppenderSkeleton;
/**
* A NullAppender merely exists, it never outputs a message to any
* device.
* @author Ceki Gülc¨
*/
public class NullAppender extends AppenderSkeleton {
private static NullAppender instance = new NullAppender();
public NullAppender() {
}
/**
* There are no options to acticate.
* */
public void activateOptions() {
}
/**
* Whenever you can, use this method to retreive an instance instead
* of instantiating a new one with
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