com.google.common.io.NullOutputStream.java Source code

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Here is the source code for com.google.common.io.NullOutputStream.java

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/*
 * Copyright (C) 2004 The Guava Authors
 *
 * 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.
 */

// Copied here from Guava 14.  HBase 0.94 need this class.  Placed here so that we can use Guava 15 elsewhere in
// Kiji, but still support HBase 0.94.

package com.google.common.io;

import static com.google.common.base.Preconditions.checkNotNull;

import java.io.OutputStream;

/**
 * Implementation of {@link OutputStream} that simply discards written bytes.
 *
 * @author Spencer Kimball
 * @since 1.0
 */
public final class NullOutputStream extends OutputStream {
    /**
     * Discards the byte.
     *
     * @param b byte to discard.
     */
    @Override
    public void write(int b) {
    }

    /**
     * Discards the byte array.
     *
     * @param b byte array.
     * @param off offset.
     * @param len Length.
     */
    @Override
    public void write(byte[] b, int off, int len) {
        checkNotNull(b);
    }
}