package com.github.mygreen.supercsv.builder.standard;
   
   import java.util.Optional;
   
   import com.github.mygreen.supercsv.annotation.format.CsvEnumFormat;
   import com.github.mygreen.supercsv.builder.AbstractProcessorBuilder;
   import com.github.mygreen.supercsv.builder.Configuration;
   import com.github.mygreen.supercsv.builder.FieldAccessor;
   import com.github.mygreen.supercsv.cellprocessor.format.EnumFormatter;
  
  
  /**
   * 列挙型に対するビルダ
   * 
   * @version 2.0
   * @author T.TSUCHIE
   *
   */
  public class EnumProcessorBuilder<T extends Enum<T>> extends AbstractProcessorBuilder<T> {
      
      public EnumProcessorBuilder() {
          super();
          
      }
      
      @Override
      protected void init() {
          super.init();
          
          // 制約のアノテーションの追加
      }
      
      @SuppressWarnings("unchecked")
      @Override
      protected EnumFormatter<T> getDefaultFormatter(final FieldAccessor field, final Configuration config) {
          
          final Optional<CsvEnumFormat> formatAnno = field.getAnnotation(CsvEnumFormat.class);
          final Optional<String> selector = formatAnno.map(a -> a.selector().isEmpty() ? null : a.selector());
          final boolean ignoreCase = formatAnno.map(a -> a.ignoreCase()).orElse(false);
          
          final EnumFormatter<T> formatter;
          if(selector.isPresent()) {
              formatter = new EnumFormatter<T>((Class<T>)field.getType(), ignoreCase, selector.get());
          } else {
              formatter = new EnumFormatter<T>((Class<T>)field.getType(), ignoreCase);
          }
          
          formatAnno.ifPresent(a -> formatter.setValidationMessage(a.message()));
          
          return formatter;
      }
      
      
  }