1 /*
   2  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 8013442
  27  * @summary Tests that at least one file filter is selected
  28  * @author Sergey Malenkov
  29  */
  30 
  31 import java.io.File;
  32 import java.util.concurrent.CountDownLatch;
  33 import javax.swing.JFileChooser;
  34 import javax.swing.JFrame;
  35 import javax.swing.SwingUtilities;
  36 import javax.swing.UIManager;
  37 import javax.swing.UIManager.LookAndFeelInfo;
  38 import javax.swing.filechooser.FileFilter;
  39 
  40 public class Test8013442 extends FileFilter implements Runnable, Thread.UncaughtExceptionHandler {
  41     private static final CountDownLatch LATCH = new CountDownLatch(1);
  42 
  43     public static void main(String[] args) throws InterruptedException {
  44         SwingUtilities.invokeLater(new Test8013442());
  45         LATCH.await(); // workaround for jtreg
  46     }
  47 
  48     private int index;
  49     private LookAndFeelInfo[] infos;
  50     private JFileChooser chooser;
  51 
  52     @Override
  53     public boolean accept(File file) {
  54         return !file.isFile() || file.getName().toLowerCase().endsWith(".txt");
  55     }
  56 
  57     @Override
  58     public String getDescription() {
  59         return "Text files";
  60     }
  61 
  62     @Override
  63     public void run() {
  64         if (this.infos == null) {
  65             this.infos = UIManager.getInstalledLookAndFeels();
  66             Thread.currentThread().setUncaughtExceptionHandler(this);
  67         }
  68         if (this.infos.length == this.index) {
  69             LATCH.countDown(); // release main thread
  70         } else if (this.chooser == null) {
  71             // change LaF before creation of Swing components
  72             LookAndFeelInfo info = this.infos[this.index];
  73             System.out.println(info.getName());
  74             try {
  75                 UIManager.setLookAndFeel(info.getClassName());
  76             }
  77             catch (Exception exception) {
  78                 throw new Error("could not change look and feel", exception);
  79             }
  80             // create and show new file chooser
  81             JFrame frame = new JFrame(getClass().getSimpleName());
  82             frame.add(this.chooser = new JFileChooser());
  83             frame.setSize(800, 600);
  84             frame.setLocationRelativeTo(null);
  85             frame.setVisible(true);
  86             SwingUtilities.invokeLater(this);
  87         }
  88         else {
  89             int count = this.chooser.getChoosableFileFilters().length;
  90             System.out.println("count = " + count + "; " + this.chooser.isAcceptAllFileFilterUsed());
  91             if (count == 0) {
  92                 if (null != this.chooser.getFileFilter()) {
  93                     throw new Error("file filter is selected");
  94                 }
  95                 // close window and stop testing file chooser for current LaF
  96                 SwingUtilities.getWindowAncestor(this.chooser).dispose();
  97                 this.chooser = null;
  98                 this.index++;
  99             } else {
 100                 if (null == this.chooser.getFileFilter()) {
 101                     throw new Error("file filter is not selected");
 102                 }
 103                 if (count == 2) {
 104                     // remove default file filter
 105                     this.chooser.setAcceptAllFileFilterUsed(false);
 106                 } else if (this.chooser.isAcceptAllFileFilterUsed()) {
 107                     // remove add file filter
 108                     this.chooser.addChoosableFileFilter(this);
 109                 } else {
 110                     // remove custom file filter
 111                     this.chooser.removeChoosableFileFilter(this);
 112                 }
 113             }
 114             SwingUtilities.invokeLater(this);
 115         }
 116     }
 117 
 118     public void uncaughtException(Thread thread, Throwable throwable) {
 119         throwable.printStackTrace();
 120         System.exit(1);
 121     }
 122 }