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1   package org.paneris.jammyjoes.mvp;
2   
3   
4   public class EmptyStringConverter implements Converter {
5   
6     Converter _converter;
7     public EmptyStringConverter(Converter converter) {
8       _converter = converter;
9     }
10  
11    public Object convert(String string) {
12       return new NullConverter(new Converter() {
13        public Object convert(String string) {
14          if ("".equals(string)) {
15            return null;
16          }
17          return _converter.convert(string);
18        }}).convert(string);
19    }
20  
21  }