package com.gh.mygreen.xlsmapper.cellconverter.impl;
   
   import java.math.BigDecimal;
   import java.math.RoundingMode;
   
   import com.gh.mygreen.xlsmapper.Configuration;
   import com.gh.mygreen.xlsmapper.cellconverter.CellConverter;
   import com.gh.mygreen.xlsmapper.fieldaccessor.FieldAccessor;
   
  /**
   * {@link Short}型を処理する{@link CellConverter}を作成するクラス。
   *
   * @since 2.0
   * @author T.TSUCHIE
   *
   */
  public class ShortCellConverterFactory extends AbstractNumberCellConverterFactory<Short> {
      
      @Override
      public ShortCellConverter create(final FieldAccessor field, final Configuration config) {
          
          final ShortCellConverter cellConverter = new ShortCellConverter(field, config, this);
          setupCellConverter(cellConverter, field, config);
          
          return cellConverter;
          
      }
      
      @Override
      protected Short convertTypeValue(final BigDecimal value) throws NumberFormatException, ArithmeticException {
          // 少数以下を四捨五入
          BigDecimal decimal = value.setScale(0, RoundingMode.HALF_UP);
          return decimal.shortValueExact();
      }
      
      public class ShortCellConverter extends AbstractNumberCellConverter<Short> {
              
              private final ShortCellConverterFactory convererFactory;
              
              private ShortCellConverter(final FieldAccessor field, final Configuration config,
                      final ShortCellConverterFactory convererFactory) {
                  super(field, config);
                  this.convererFactory = convererFactory;
              }
              
              @Override
              protected Short convertTypeValue(final BigDecimal value) {
                  return convererFactory.convertTypeValue(value);
              }
              
          }
      
  }