001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.io;
019
020import java.io.DataOutputStream;
021import java.io.IOException;
022import java.io.OutputStream;
023import java.nio.ByteBuffer;
024import org.apache.hadoop.hbase.util.ByteBufferUtils;
025import org.apache.yetus.audience.InterfaceAudience;
026
027/**
028 * Our extension of DataOutputStream which implements ByteBufferWriter
029 */
030@InterfaceAudience.Private
031public class ByteBufferWriterDataOutputStream extends DataOutputStream implements ByteBufferWriter {
032
033  public ByteBufferWriterDataOutputStream(OutputStream out) {
034    super(out);
035  }
036
037  @Override
038  public void write(ByteBuffer b, int off, int len) throws IOException {
039    ByteBufferUtils.copyBufferToStream(out, b, off, len);
040    written += len;
041  }
042}