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1   package fr.ifremer.tutti.service.csv;
2   
3   /*
4    * #%L
5    * Tutti :: Service
6    * $Id:$
7    * $HeadURL:$
8    * %%
9    * Copyright (C) 2012 - 2015 Ifremer
10   * %%
11   * This program is free software: you can redistribute it and/or modify
12   * it under the terms of the GNU General Public License as
13   * published by the Free Software Foundation, either version 3 of the
14   * License, or (at your option) any later version.
15   * 
16   * This program is distributed in the hope that it will be useful,
17   * but WITHOUT ANY WARRANTY; without even the implied warranty of
18   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19   * GNU General Public License for more details.
20   * 
21   * You should have received a copy of the GNU General Public
22   * License along with this program.  If not, see
23   * <http://www.gnu.org/licenses/gpl-3.0.html>.
24   * #L%
25   */
26  
27  import com.google.common.base.Joiner;
28  import com.google.common.collect.Lists;
29  import org.apache.commons.lang3.StringUtils;
30  import org.nuiton.csv.ValueParserFormatter;
31  
32  import java.text.ParseException;
33  import java.util.List;
34  
35  /**
36   * Created on 2/5/15.
37   *
38   * @author Tony Chemit - chemit@codelutin.com
39   * @since 3.13
40   */
41  public class IntegerListParserFormatter implements ValueParserFormatter<List<Integer>> {
42  
43      @Override
44      public String format(List<Integer> value) {
45          List<String> decoratedValues = Lists.transform(value, Object::toString);
46          return Joiner.on('|').join(decoratedValues);
47      }
48  
49      @Override
50      public List<Integer> parse(String value) throws ParseException {
51          List<Integer> result = Lists.newArrayList();
52          if (StringUtils.isNotBlank(value)) {
53              String[] split = value.split("\\s*\\|\\s*");
54              for (String string : split) {
55                  result.add(Integer.valueOf(string));
56              }
57          }
58          return result;
59      }
60  }