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What this is

This file is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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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.performance;

import org.apache.log4j.Layout;
import org.apache.log4j.spi.LoggingEvent;
import org.apache.log4j.AppenderSkeleton;

 * A bogus appender which calls the format method of its layout object
 * but does not write the result anywhere.

The * org.apache.log4j.performance.NullAppender class is * intended for internal use only. Consequently, it is not * included in the log4j.jar file.

* */ public class NullAppender extends AppenderSkeleton { public static String s; public String t; public NullAppender() {} public NullAppender(Layout layout) { this.layout = layout; } public void close() {} public void doAppend(LoggingEvent event) { if(layout != null) { t = layout.format(event); s = t; } } public void append(LoggingEvent event) { } /** This is a bogus appender but it still uses a layout. */ public boolean requiresLayout() { return true; } }
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