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1   /**
2    * The contents of this file are subject to the Mozilla Public License Version 1.1
3    * (the "License"); you may not use this file except in compliance with the License.
4    * You may obtain a copy of the License at http://www.mozilla.org/MPL/
5    * Software distributed under the License is distributed on an "AS IS" basis,
6    * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
7    * specific language governing rights and limitations under the License.
8    *
9    * The Original Code is ""  Description:
10   * ""
11   *
12   * The Initial Developer of the Original Code is University Health Network. Copyright (C)
13   * 2001.  All Rights Reserved.
14   *
15   * Contributor(s): ______________________________________.
16   *
17   * Alternatively, the contents of this file may be used under the terms of the
18   * GNU General Public License (the  "GPL"), in which case the provisions of the GPL are
19   * applicable instead of those above.  If you wish to allow use of your version of this
20   * file only under the terms of the GPL and not to allow others to use your version
21   * of this file under the MPL, indicate your decision by deleting  the provisions above
22   * and replace  them with the notice and other provisions required by the GPL License.
23   * If you do not delete the provisions above, a recipient may use your version of
24   * this file under either the MPL or the GPL.
25   */
26  package ca.uhn.hl7v2.testpanel.util;
27  
28  import java.io.File;
29  
30  import javax.swing.filechooser.FileFilter;
31  
32  /**
33   * Based on code from http://www.java2s.com/Code/Java/Swing-JFC/CustomizingaJFileChooser.htm
34   */
35  public class ExtensionFilter extends FileFilter {
36      private String extensions[];
37  
38      private String description;
39  
40      public ExtensionFilter(String description, String extension) {
41        this(description, new String[] { extension });
42      }
43  
44      public ExtensionFilter(String description, String extensions[]) {
45        this.description = description;
46        this.extensions = (String[]) extensions.clone();
47      }
48  
49      public boolean accept(File file) {
50        if (file.isDirectory()) {
51          return true;
52        }
53        int count = extensions.length;
54        String path = file.getAbsolutePath();
55        for (int i = 0; i < count; i++) {
56          String ext = extensions[i];
57          if (path.endsWith(ext)
58              && (path.charAt(path.length() - ext.length()) == '.')) {
59            return true;
60          }
61        }
62        return false;
63      }
64  
65      public String getDescription() {
66        return (description == null ? extensions[0] : description);
67      }
68    }