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.local;
  
  import java.io.BufferedInputStream;
  import java.io.FileInputStream;
  import java.io.FileNotFoundException;
  import java.io.IOException;
  
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.junit.Before;
  import org.junit.Test;
  
  import com.aliyun.odps.data.Record;
  import com.aliyun.odps.data.TableInfo;
  import com.aliyun.odps.mapred.JobClient;
  import com.aliyun.odps.mapred.MapperBase;
  import com.aliyun.odps.mapred.conf.JobConf;
  import com.aliyun.odps.mapred.local.utils.TestUtils;
  import com.aliyun.odps.mapred.utils.InputUtils;
  import com.aliyun.odps.mapred.utils.OutputUtils;
  import com.aliyun.odps.mapred.utils.SchemaUtils;
  
  /**
   * Example Class to add record to table from resource file.
   */
  public class Upload {
  
    public static final Log LOG = LogFactory.getLog(Upload.class);
  
    @Before
    public void setUp() throws Exception {
      TestUtils.setEnvironment(TestUtils.odps_test_mrtask);
    }
  
    public static class UploadMapper extends MapperBase {
  
      @Override
      public void setup(TaskContext context) throws IOException {
        Record record = context.createOutputRecord();
        StringBuilder importdata = new StringBuilder();
        BufferedInputStream bufferedInput = null;
  
        try {
          byte[] buffer = new byte[1024];
          int bytesRead = 0;
  
          String filename = context.getJobConf().get("import.filename");
          bufferedInput = new BufferedInputStream(new FileInputStream(filename));
  
          while ((bytesRead = bufferedInput.read(buffer)) != -1) {
            String chunk = new String(buffer, 0, bytesRead);
            importdata.append(chunk);
          }
  
          String lines[] = importdata.toString().split("\n");
          for (int i = 0; i < lines.length; i++) {
            String[] ss = lines[i].split(",");
            record.set(0, Long.parseLong(ss[0].trim()));
            record.set(1, ss[1].trim());
            context.write(record);
          }
        } catch (FileNotFoundException ex) {
          throw new IOException(ex);
        } catch (IOException ex) {
          throw new IOException(ex);
        } finally {
          // try {
          if (bufferedInput != null) {
            bufferedInput.close(); // ???
          }
          // } catch (IOException ex) {
          // throw new IOException(ex);
          // }
        }
  
      }
  
      @Override
      public void map(long recordNum, Record record, TaskContext context)
          throws IOException {
  
      }
  
      @Override
      public void cleanup(TaskContext context) throws IOException {
  
      }
  
    }
  
    @Test
    public void test() throws Exception {
  
      String[] args = new String[2];
      args[0] = System.getProperty("user.dir")
                + "/warehouse/odps_test_mrtask/__tables__/upload_in/data";
  
      System.out.println(args[0]);
      args[1] = "upload_out";
  
      if (args.length != 2) {
        System.err.println("Usage: Upload <import_txt> <out_table>");
        System.exit(2);
      }
  
      JobConf job = new JobConf();
  
      job.setMapperClass(UploadMapper.class);
  
      job.set("import.filename", args[0]);
  
      job.setNumReduceTasks(0);
  
      job.setMapOutputKeySchema(SchemaUtils.fromString("key:bigint"));
      job.setMapOutputValueSchema(SchemaUtils.fromString("value:string"));
  
      InputUtils.addTable(TableInfo.builder().tableName("mr_empty").build(), job);
      OutputUtils.addTable(TableInfo.builder().tableName(args[1]).build(), job);
  
      JobClient.runJob(job);
    }
  
  }
  