/**
    * 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.hbase.mapreduce;
  
  import java.io.IOException;
  import java.util.Arrays;
  
  import org.apache.hadoop.hbase.KeyValue;
  import org.apache.hadoop.hbase.client.Put;
  import org.apache.hadoop.hbase.mapreduce.ImportTsv.TsvParser.BadTsvLineException;
  import org.apache.hadoop.hbase.mapreduce.ImportTsv.TsvParser.ParsedLine;
  import org.apache.hadoop.hbase.util.Bytes;
  
  /**
   * 
   * Just shows a simple example of how the attributes can be extracted and added
   * to the puts
   */
  public class TsvImporterCustomTestMapperForOprAttr extends TsvImporterMapper {
    @Override
    protected void populatePut(byte[] lineBytes, ParsedLine parsed, Put put, int i)
        throws BadTsvLineException, IOException {
      KeyValue kv;
      kv = new KeyValue(lineBytes, parsed.getRowKeyOffset(), parsed.getRowKeyLength(),
          parser.getFamily(i), 0, parser.getFamily(i).length, parser.getQualifier(i), 0,
          parser.getQualifier(i).length, ts, KeyValue.Type.Put, lineBytes, parsed.getColumnOffset(i),
          parsed.getColumnLength(i));
      if (parsed.getIndividualAttributes() != null) {
        String[] attributes = parsed.getIndividualAttributes();
        for (String attr : attributes) {
          String[] split = attr.split(ImportTsv.DEFAULT_ATTRIBUTES_SEPERATOR);
          if (split == null || split.length <= 1) {
            throw new BadTsvLineException(msg(attributes));
          } else {
            if (split[0].length() <= 0 || split[1].length() <= 0) {
              throw new BadTsvLineException(msg(attributes));
            }
            put.setAttribute(split[0], Bytes.toBytes(split[1]));
          }
        }
      }
      put.add(kv);
    }
  
    private String msg(Object[] attributes) {
      return "Invalid attributes separator specified: " + Arrays.toString(attributes);
    }
  }