package com.github.mygreen.supercsv.cellprocessor.conversion;
   
   import java.util.Optional;
   
   import org.supercsv.cellprocessor.ift.CellProcessor;
   import org.supercsv.cellprocessor.ift.StringCellProcessor;
   
   import com.github.mygreen.supercsv.annotation.conversion.CsvLower;
   import com.github.mygreen.supercsv.builder.Configuration;
  import com.github.mygreen.supercsv.builder.FieldAccessor;
  import com.github.mygreen.supercsv.cellprocessor.ConversionProcessorFactory;
  import com.github.mygreen.supercsv.cellprocessor.format.TextFormatter;
  
  /**
   * アノテーション{@link CsvLower}をハンドリングして、{@link Lower}を作成する。
   * 
   * @since 2.0
   * @author T.TSUCHIE
   *
   */
  public class LowerFactory implements ConversionProcessorFactory<CsvLower> {
      
      @Override
      public Optional<CellProcessor> create(final CsvLower anno, final Optional<CellProcessor> next,
              final FieldAccessor field, final TextFormatter<?> formatter, final Configuration config) {
          
          final Lowerconversion/Lower.html#Lower">Lower processor = next.map(n ->  new Lower((StringCellProcessor) n))
                  .orElseGet(() -> new Lower());
          
          return Optional.of(processor);
      }
      
  }