| /* |
| * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.awt.EventQueue; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| |
| import javax.swing.JPasswordField; |
| import javax.swing.text.BadLocationException; |
| import javax.swing.text.Document; |
| import javax.swing.text.GapContent; |
| import javax.swing.text.PlainDocument; |
| import javax.swing.text.Segment; |
| import javax.swing.text.StringContent; |
| import javax.swing.text.html.HTMLDocument; |
| import javax.swing.text.html.StyleSheet; |
| |
| /** |
| * @test |
| * @bug 8258373 |
| * @summary The JPasswordField#setText() should reset the old internal storage |
| */ |
| public final class CleanInternalStorageOnSetText { |
| |
| public static void main(String[] args) throws Exception { |
| EventQueue.invokeAndWait(() -> { |
| // default case |
| testStorage(false, new JPasswordField()); |
| testStorage(true, new JPasswordField()); |
| |
| // custom Plain String document |
| Document document = new PlainDocument(new StringContent()); |
| testStorage(false, new JPasswordField(document, "", 10)); |
| document = new PlainDocument(new StringContent()); |
| testStorage(true, new JPasswordField(document, "", 10)); |
| |
| // custom Plain GAP document |
| document = new PlainDocument(new GapContent()); |
| testStorage(false, new JPasswordField(document, "", 10)); |
| document = new PlainDocument(new GapContent()); |
| testStorage(true, new JPasswordField(document, "", 10)); |
| |
| // custom HTMLDocument String document |
| document = new HTMLDocument(new StringContent(), new StyleSheet()); |
| testStorage(false, new JPasswordField(document, "", 10)); |
| document = new HTMLDocument(new StringContent(), new StyleSheet()); |
| testStorage(true, new JPasswordField(document, "", 10)); |
| |
| // custom HTMLDocument GAP document |
| document = new HTMLDocument(new GapContent(), new StyleSheet()); |
| testStorage(false, new JPasswordField(document, "", 10)); |
| document = new HTMLDocument(new GapContent(), new StyleSheet()); |
| testStorage(true, new JPasswordField(document, "", 10)); |
| }); |
| } |
| |
| private static void testStorage(boolean makeGap, JPasswordField pf) { |
| test(pf, "123", makeGap); |
| test(pf, "1234567", makeGap); |
| test(pf, "1234567890", makeGap); |
| test(pf, "1".repeat(100), makeGap); |
| test(pf, "1234567890", makeGap); |
| test(pf, "1234567", makeGap); |
| test(pf, "123", makeGap); |
| test(pf, "", makeGap); |
| } |
| |
| private static void test(JPasswordField pf, String text, boolean makeGap) { |
| pf.setText(text); |
| if (makeGap && text.length() > 3) { |
| try { |
| pf.getDocument().remove(1, 2); |
| } catch (BadLocationException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| // if no gaps we can check whole array |
| char[] internalArray = getInternalArray(pf); |
| ArrayList<Segment> segments = new ArrayList<>(); |
| if (makeGap) { |
| // if gaps exists we can check only part of the array |
| Document doc = pf.getDocument(); |
| int nleft = doc.getLength(); |
| Segment sgm = new Segment(); |
| sgm.setPartialReturn(true); |
| int offs = 0; |
| try { |
| while (nleft > 0) { |
| doc.getText(offs, nleft, sgm); |
| segments.add(sgm); |
| nleft -= sgm.count; |
| offs += sgm.count; |
| } |
| } catch (BadLocationException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| System.err.println("Before = " + Arrays.toString(internalArray)); |
| pf.setText(""); |
| System.err.println("After = " + Arrays.toString(internalArray)); |
| |
| if (!makeGap) { |
| for (char c : internalArray) { |
| if (c != '\u0000' && c != '\n') { |
| throw new RuntimeException(Arrays.toString(internalArray)); |
| } |
| } |
| } else { |
| for (Segment sgm : segments) { |
| for (int i = sgm.offset; i < sgm.count + sgm.offset; i++) { |
| char c = sgm.array[i]; |
| if (c != '\u0000' && c != '\n') { |
| throw new RuntimeException(Arrays.toString(sgm.array)); |
| } |
| } |
| } |
| } |
| } |
| |
| /** |
| * This method returns the reference to the internal data stored by the |
| * document inside JPasswordField. |
| */ |
| private static char[] getInternalArray(JPasswordField pf) { |
| Document doc = pf.getDocument(); |
| int nleft = doc.getLength(); |
| Segment text = new Segment(); |
| int offs = 0; |
| text.setPartialReturn(true); |
| try { |
| doc.getText(offs, nleft, text); |
| } catch (BadLocationException e) { |
| throw new RuntimeException(e); |
| } |
| return text.array; |
| } |
| } |