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