content: /*
   * 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.chukwa.datacollection.writer;
  
  import java.util.List;
  import org.apache.hadoop.chukwa.Chunk;
  import org.apache.hadoop.chukwa.datacollection.collector.servlet.LogDisplayServlet;
  import org.apache.hadoop.conf.Configuration;
  
  public class ExtractorWriter extends PipelineableWriter {
  
    private static LogDisplayServlet recipient;
    
    @Override
    public void close() throws WriterException {
      next.close();
    }
  
    @Override
    public void init(Configuration c) throws WriterException {
    }
    
    public CommitStatus add(List<Chunk> chunks) throws WriterException {
      if(recipient != null)
        recipient.add(chunks);
      if (next != null)
        return next.add(chunks); //pass data through
      else
        return ChukwaWriter.COMMIT_OK;
    }
  
    public static void setRecipient(LogDisplayServlet logDisplayServlet) {
      recipient = logDisplayServlet;
    }
  
  }
  