/*
* Copyright 1999-2005 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.log4j.performance;
import java.io.Writer;
import java.io.IOException;
/**
* <p>Extends {@link Writer} with methods that return immediately
* without doing anything. This class is used to measure the cost of
* constructing a log message but not actually writing to any device.
* </p>
* <p><b> <font color="#FF2222">The
* <code>org.apache.log4j.performance.NOPWriter</code> class is
* intended for internal use only.</font> Consequently, it is not
* included in the <em>log4j.jar</em> file.</b> </p>
*
* @author Ceki Gülcü
* */
public class NOPWriter extends Writer {
public void write(char[] cbuf) throws IOException {}
public void write(char[] cbuf, int off, int len) throws IOException {}
public void write(int b) throws IOException {}
public void write(String s) throws IOException {}
public void write(String s, int off, int len) throws IOException {}
public void flush() throws IOException {
}
public void close() throws IOException {
System.err.println("Close called.");
}
}