1   /**
2    * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.webform.util;
24  
25  import com.liferay.portal.kernel.util.StringPool;
26  
27  import java.io.BufferedReader;
28  import java.io.IOException;
29  import java.io.StringReader;
30  
31  import java.util.ArrayList;
32  import java.util.List;
33  
34  /**
35   * <a href="WebFormUtil.java.html"><b><i>View Source</i></b></a>
36   *
37   * @author Daniel Weisser
38   * @author Jorge Ferrer
39   *
40   */
41  public class WebFormUtil {
42  
43      public static String[] split(String s) {
44          return split(s, StringPool.COMMA);
45      }
46  
47      public static String[] split(String s, String delimiter) {
48          if (s == null || delimiter == null) {
49              return new String[0];
50          }
51  
52          s = s.trim();
53  
54          if (!s.endsWith(delimiter)) {
55              StringBuffer sb = new StringBuffer();
56  
57              sb.append(s);
58              sb.append(delimiter);
59  
60              s = sb.toString();
61          }
62  
63          if (s.equals(delimiter)) {
64              return new String[0];
65          }
66  
67          List<String> nodeValues = new ArrayList<String>();
68  
69          if (delimiter.equals("\n") || delimiter.equals("\r")) {
70              try {
71                  BufferedReader br = new BufferedReader(new StringReader(s));
72  
73                  String line = null;
74  
75                  while ((line = br.readLine()) != null) {
76                      nodeValues.add(line);
77                  }
78  
79                  br.close();
80              }
81              catch (IOException ioe) {
82                  ioe.printStackTrace();
83              }
84          }
85          else {
86              int offset = 0;
87              int pos = s.indexOf(delimiter, offset);
88  
89              while (pos != -1) {
90                  nodeValues.add(new String(s.substring(offset, pos)));
91  
92                  offset = pos + delimiter.length();
93                  pos = s.indexOf(delimiter, offset);
94              }
95          }
96  
97          return nodeValues.toArray(new String[nodeValues.size()]);
98      }
99  
100 }