russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
118 lines
4.1 KiB
Java
118 lines
4.1 KiB
Java
/*
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* Copyright (c) 2004, 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4943900
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* @summary Tests that FileFilter combo box is shown in FileChooser
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* @library /java/awt/regtesthelpers
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* @build PassFailJFrame
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* @run main/manual bug4943900
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*/
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import java.io.File;
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import javax.swing.JFileChooser;
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import javax.swing.JFrame;
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import javax.swing.UIManager;
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import javax.swing.filechooser.FileFilter;
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public class bug4943900 {
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private static final String INSTRUCTIONS = """
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<html>
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<ol>
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<li>When the test runs, a <code>JFileChooser</code> will be displayed.
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<li>Ensure that there is a filter combo box with these two items:
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<ul>
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<li><b>Text Files (*.txt)</b>
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— <em>[must be selected when the dialog opens]</em>
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<li><b>All Files</b>
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</ul>
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<li>Leave the <b>Text files</b> item selected and check that the
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filter works: only <code>*.txt</code> files can appear in the file list.
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You can navigate directories in the file chooser and find one
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that contains some <code>*.txt</code> files to ensure they are shown in
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the file list. On macOS when the text filter is applied verify
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that the non-text files are greyed out.
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<li>Try switching the filters and ensure that the file list
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is updated properly.
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<li>If the <code>FileFilter</code> works correctly,
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press <b>Pass</b> else press <b>Fail</b>.
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</ol>
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</html>
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""";
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public static void main(String[] args) throws Exception {
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UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
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PassFailJFrame.builder()
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.title("bug4943900 Test Instructions")
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.instructions(INSTRUCTIONS)
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.rows(14)
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.columns(50)
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.testUI(bug4943900::createAndShowUI)
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.build()
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.awaitAndCheck();
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}
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public static JFrame createAndShowUI() {
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JFileChooser fc = new JFileChooser();
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fc.setControlButtonsAreShown(false);
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TextFileFilter filter = new TextFileFilter();
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fc.setFileFilter(filter);
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JFrame frame = new JFrame("bug4943900 - JFileChooser");
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frame.add(fc);
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frame.pack();
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return frame;
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}
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private static final class TextFileFilter extends FileFilter {
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@Override
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public boolean accept(File f) {
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if (f != null) {
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if (f.isDirectory()) {
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return true;
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}
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String extension = getExtension(f);
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return extension != null && extension.equals("txt");
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}
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return false;
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}
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@Override
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public String getDescription() {
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return "Text Files (*.txt)";
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}
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private static String getExtension(File f) {
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if (f != null) {
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String filename = f.getName();
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int i = filename.lastIndexOf('.');
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if (i > 0 && i < filename.length() - 1) {
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return filename.substring(i + 1).toLowerCase();
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}
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}
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return null;
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}
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}
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}
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