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1   package com.github.mygreen.supercsv.cellprocessor.conversion;
2   
3   import org.supercsv.cellprocessor.CellProcessorAdaptor;
4   import org.supercsv.cellprocessor.ift.StringCellProcessor;
5   import org.supercsv.util.CsvContext;
6   
7   /**
8    * 半角を全角に変換するCellProcessor。
9    * 
10   * @since 2.0
11   * @author T.TSUCHIE
12   *
13   */
14  public class FullChar extends CellProcessorAdaptor implements StringCellProcessor {
15      
16      private final CharCategory[] categories;
17      
18      private final JapaneseCharReplacer replacer;
19      
20      public FullChar(final CharCategory[] categories) {
21          super();
22          checkPreconditions(categories);
23          this.categories = categories;
24          this.replacer = new JapaneseCharReplacer(categories);
25      }
26      
27      public FullChar(final CharCategory[] categories, final StringCellProcessor next) {
28          super(next);
29          checkPreconditions(categories);
30          this.categories = categories;
31          this.replacer = new JapaneseCharReplacer(categories);
32      }
33      
34      private static void checkPreconditions(final CharCategory[] categories) {
35          if(categories == null) {
36              throw new NullPointerException("categories should not be null.");
37              
38          } else if(categories.length == 0) {
39              throw new IllegalArgumentException("categories should not be empty.");
40          }
41      }
42      
43      @Override
44      public <T> T execute(final Object value, final CsvContext context) {
45          
46          if(value == null) {
47              return next.execute(value, context);
48          }
49          
50          final String result = replacer.replaceToFullChar(value.toString());
51          return next.execute(result, context);
52      }
53      
54      /**
55       * 変換対象の文字の種類を取得します。
56       * @return コンストラクタで渡した種類です。
57       */
58      public CharCategory[] getCategories() {
59          return categories;
60      }
61      
62  }