ByteBufferOutputStream.java

/*
 * Copyright 2013 Matt Sicker and Contributors
 *
 * 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 atg.tools.dynunit.test.io;

import java.io.IOException;
import java.io.OutputStream;
import java.nio.ByteBuffer;

/**
 * An output stream which allows writing to a ByteBuffer
 *
 * @author Adam Belmont
 * @version $Id:$
 * @see ByteBuffer
 */
class ByteBufferOutputStream
        extends OutputStream {

    private ByteBuffer mBuffer = null;

    /**
     * Creates a new ByteBufferOutputStream which writes into the given
     * ByteBuffer. Note that you should class ByteBuffer.flip() after writing to
     * this stream in order to make the buffer available for reading with a
     * ByteBufferInputStream.
     *
     * @param pBuffer
     *
     * @see ByteBufferInputStream
     */
    public ByteBufferOutputStream(ByteBuffer pBuffer) {
        mBuffer = pBuffer;
    }

    @Override
    public synchronized void write(int b)
            throws IOException {
        mBuffer.put((byte) b);
    }

    @Override
    public synchronized void write(byte[] bytes, int off, int len)
            throws IOException {
        mBuffer.put(bytes, off, len);
    }
}