content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.master.journal;
  
  import com.esotericsoftware.kryo.KryoException;
  import com.esotericsoftware.kryo.io.InputChunked;
  
  import java.io.InputStream;
  
  /**
   * A replacement for Kryo's {@link InputChunked} which properly handles eof.
   *
   * See https://github.com/EsotericSoftware/kryo/issues/651.
   *
   * Once kryo releases 4.0.3, we can upgrade and remove this class.
   */
  public class PatchedInputChunked extends InputChunked {
    /**
     * @param input the input stream
     */
    public PatchedInputChunked(InputStream input) {
      super(input);
    }
  
    @Override
    protected int fill(byte[] buffer, int offset, int count) throws KryoException {
      try {
        return super.fill(buffer, offset, count);
      } catch (KryoException e) {
        if (e.getMessage().equals("Buffer underflow.")) {
          return -1;
        }
        throw e;
      }
    }
  }
  