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.CsvOneSideTrim;
   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 CsvOneSideTrim}を元にCellProcessor{@link OneSideTrim}を作成するクラス。
   *
   * @since 2.1
   * @author T.TSUCHIE
   *
   */
  public class OneSideTrimFactory implements ConversionProcessorFactory<CsvOneSideTrim> {
  
      @Override
      public Optional<CellProcessor> create(final CsvOneSideTrim anno, final Optional<CellProcessor> next,
              final FieldAccessor field, final TextFormatter<?> formatter, final Configuration config) {
          
          final OneSideTrimrsion/OneSideTrim.html#OneSideTrim">OneSideTrim processor = next.map(n -> new OneSideTrim(anno.trimChar(), anno.leftAlign(), (StringCellProcessor)n))
                  .orElseGet(() -> new OneSideTrim(anno.trimChar(), anno.leftAlign()));
          
          return Optional.of(processor);
      }
      
  }