ByteBufferWriterDataOutputStream.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.hadoop.hbase.io;

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

import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.util.ByteBufferUtils;

/**
 * Our extension of DataOutputStream which implements ByteBufferWriter
 */
@InterfaceAudience.Private
public class ByteBufferWriterDataOutputStream extends DataOutputStream
    implements ByteBufferWriter {

  public ByteBufferWriterDataOutputStream(OutputStream out) {
    super(out);
  }

  @Override
  public void write(ByteBuffer b, int off, int len) throws IOException {
    ByteBufferUtils.copyBufferToStream(out, b, off, len);
    written += len;
  }
}