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1   package com.github.mygreen.supercsv.cellprocessor.constraint;
2   
3   import java.util.Optional;
4   
5   import org.supercsv.cellprocessor.ift.CellProcessor;
6   
7   import com.github.mygreen.supercsv.annotation.constraint.CsvDateTimeRange;
8   import com.github.mygreen.supercsv.builder.Configuration;
9   import com.github.mygreen.supercsv.builder.FieldAccessor;
10  import com.github.mygreen.supercsv.cellprocessor.ConstraintProcessorFactory;
11  import com.github.mygreen.supercsv.cellprocessor.format.TextFormatter;
12  import com.github.mygreen.supercsv.cellprocessor.format.TextParseException;
13  import com.github.mygreen.supercsv.exception.SuperCsvInvalidAnnotationException;
14  import com.github.mygreen.supercsv.localization.MessageBuilder;
15  
16  /**
17   * アノテーション{@link CsvDateTimeRange}をハンドリングして、{@link DateTimeRange}を作成する。
18   * 
19   * @since 2.0
20   * @author T.TSUCHIE
21   *
22   */
23  public class DateTimeRangeFactory<T extends Comparable<T>> implements ConstraintProcessorFactory<CsvDateTimeRange> {
24      
25      @Override
26      public Optional<CellProcessor> create(final CsvDateTimeRange anno, final Optional<CellProcessor> next,
27              final FieldAccessor field, final TextFormatter<?> formatter, final Configuration config) {
28          
29          @SuppressWarnings("unchecked")
30          final TextFormatter<T> typeFormatter = (TextFormatter<T>)formatter;
31          
32          final T min;
33          try {
34              min = typeFormatter.parse(anno.min());
35              
36          } catch(TextParseException e) {
37              throw new SuperCsvInvalidAnnotationException(anno, MessageBuilder.create("anno.attr.invalidType")
38                      .var("property", field.getNameWithClass())
39                      .varWithAnno("anno", anno.annotationType())
40                      .var("attrName", "min")
41                      .var("attrValue", anno.min())
42                      .varWithClass("type", field.getType())
43                      .var("pattern", typeFormatter.getPattern().orElseGet(null))
44                      .format(true), e);
45          }
46          
47          final T max;
48          try {
49              max = typeFormatter.parse(anno.max());
50              
51          } catch(TextParseException e) {
52              throw new SuperCsvInvalidAnnotationException(anno, MessageBuilder.create("anno.attr.invalidType")
53                      .var("property", field.getNameWithClass())
54                      .varWithAnno("anno", anno.annotationType())
55                      .var("attrName", "max")
56                      .var("attrValue", anno.max())
57                      .varWithClass("type", field.getType())
58                      .var("pattern", typeFormatter.getPattern().orElseGet(null))
59                      .format(true), e);
60          }
61          
62          if(min.compareTo(max) > 0) {
63              throw new SuperCsvInvalidAnnotationException(anno, MessageBuilder.create("anno.CsvDateTimeRange.minMaxWrong")
64                      .var("property", field.getNameWithClass())
65                      .varWithAnno("anno", anno.annotationType())
66                      .var("minValue", anno.min())
67                      .var("maxValue", anno.max())
68                      .format(true));
69              
70          }
71          
72          final DateTimeRange<T> processor = next.map(n -> new DateTimeRange<T>(min, max, anno.inclusive(), typeFormatter, n))
73                  .orElseGet(() -> new DateTimeRange<T>(min, max, anno.inclusive(), typeFormatter));
74          processor.setValidationMessage(anno.message());
75          
76          return Optional.of(processor);
77      }
78      
79  }