NullPrintStream.java
/* *******************************************************************
* Copyright (c) 1999-2001 Xerox Corporation,
* 2002 Palo Alto Research Center, Incorporated (PARC).
* All rights reserved.
* This program and the accompanying materials are made available
* under the terms of the Eclipse Public License v 2.0
* which accompanies this distribution and is available at
* https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
*
* Contributors:
* Xerox/PARC initial implementation
* ******************************************************************/
/*
* NullPrintStream.java created on May 29, 2002
*
*/
package org.aspectj.testing.util;
import java.io.OutputStream;
import java.io.PrintStream;
/**
* Ignore any output to a NullPrintStream.
* Clients use singleton NULL_PrintStream or NULL_OutputStream.
* @author isberg
*/
public final class NullPrintStream extends PrintStream {
public static final OutputStream NULL_OutputStream = NullOutputStream.ME;
public static final PrintStream NULL_PrintStream = new NullPrintStream();
private NullPrintStream() {
super(NULL_OutputStream);
}
public void write(int b) {
}
public void write(byte[] b) {
}
public void write(byte[] b, int off, int len) {
}
public void print(boolean arg0) {
}
public void print(char arg0) {
}
public void print(char[] arg0) {
}
public void print(double arg0) {
}
public void print(float arg0) {
}
public void print(int arg0) {
}
public void print(long arg0) {
}
public void print(Object arg0) {
}
public void print(String arg0) {
}
public void println() {
}
public void println(boolean arg0) {
}
public void println(char arg0) {
}
public void println(char[] arg0) {
}
public void println(double arg0) {
}
public void println(float arg0) {
}
public void println(int arg0) {
}
public void println(long arg0) {
}
public void println(Object arg0) {
}
public void println(String arg0) {
}
}
final class NullOutputStream extends OutputStream {
static final OutputStream ME = new NullOutputStream();
private NullOutputStream() {
}
public void write(int b) {
}
public void write(byte[] b) {
}
public void write(byte[] b, int off, int len) {
}
}