/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * 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 com.android.jack.test.util;

import com.google.common.io.NullOutputStream;

import java.io.PrintStream;
import java.util.Locale;

import javax.annotation.Nonnull;

/**
 * Implementation of {@link PrintStream} that simply discards all data.
 */
public class NullPrintStream extends PrintStream {
  public NullPrintStream() {
    super(new NullOutputStream());
  }

  @Override
  public void flush() {
  }

  @Override
  public void close() {
  }

  @Override
  public boolean checkError() {
    return false;
  }

  @Override
  protected void setError() {
  }

  @Override
  protected void clearError() {
  }

  @Override
  public void write(int b) {
  }

  @Override
  public void write(byte[] buf, int off, int len) {
  }

  @Override
  public void print(boolean b) {
  }

  @Override
  public void print(char c) {
  }

  @Override
  public void print(int i) {
  }

  @Override
  public void print(long l) {
  }

  @Override
  public void print(float f) {
  }

  @Override
  public void print(double d) {
  }

  @Override
  public void print(char[] s) {
  }

  @Override
  public void print(String s) {
  }

  @Override
  public void print(Object obj) {
  }

  @Override
  public void println() {
  }

  @Override
  public void println(boolean x) {
  }

  @Override
  public void println(char x) {
  }

  @Override
  public void println(int x) {
  }

  @Override
  public void println(long x) {
  }

  @Override
  public void println(float x) {
  }

  @Override
  public void println(double x) {
  }

  @Override
  public void println(char[] x) {
  }

  @Override
  public void println(String x) {
  }

  @Override
  public void println(Object x) {
  }

  @Override
  @Nonnull
  public PrintStream printf(String format, Object... args) {
    return this;
  }

  @Override
  @Nonnull
  public PrintStream printf(Locale l, String format, Object... args) {
    return this;
  }

  @Override
  @Nonnull
  public PrintStream format(String format, Object... args) {
    return this;
  }

  @Override
  @Nonnull
  public PrintStream format(Locale l, String format, Object... args) {
    return this;
  }

  @Override
  @Nonnull
  public PrintStream append(CharSequence csq) {
    return this;
  }

  @Override
  @Nonnull
  public PrintStream append(CharSequence csq, int start, int end) {
    return this;
  }

  @Override
  @Nonnull
  public PrintStream append(char c) {
    return this;
  }

}