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 com.aliyun.odps.mapred.bridge.streaming;
  
  import java.io.UnsupportedEncodingException;
  import java.net.URLDecoder;
  
  import com.aliyun.odps.mapred.conf.JobConf;
  
  public class PipeCombiner extends PipeReducer {
  
    @Override
    String getPipeCommand(JobConf job) {
      String str = job.get("stream.combine.streamprocessor");
      try {
        if (str != null) {
          return URLDecoder.decode(str, "UTF-8");
        }
      } catch (UnsupportedEncodingException e) {
        System.err.println("stream.combine.streamprocessor" +
                           " in jobconf not found");
      }
      return null;
    }
  
    boolean getDoPipe() {
      return (getPipeCommand(job_) != null);
    }
  }
  