gateway-util-launcher/src/main/java/org/apache/hadoop/gateway/launcher/Streamer.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.gateway.launcher;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

public class Streamer extends Thread {

  InputStream input;
  OutputStream output;
  byte[] buffer;

  private Streamer( String name, InputStream input, OutputStream output, int buffer, int priority ) {
    this.buffer = new byte[ buffer ];
    this.setName( name );
    this.setPriority( priority );
    this.start();
  }

  @Override
  public void run() {
    try {
      int read = input.read( buffer );
      while( read >= 0 ) {
        output.write( buffer, 0, read );
        read = input.read( buffer );
      }
    } catch( IOException e ) {
      e.printStackTrace(); // I18N not possible/required.
    }
  }

}