1 /* 2 * Copyright (c) 2014, 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 /* @test 25 * @bug 8048110 26 * @summary Using tables in JTextPane leads to infinite loop in FlowLayout.layoutRow 27 * @author Dmitry Markov 28 * @run main bug8048110 29 */ 30 31 import javax.swing.*; 32 import javax.swing.text.Element; 33 import javax.swing.text.html.HTMLDocument; 34 import javax.swing.text.html.HTMLEditorKit; 35 import java.awt.*; 36 37 public class bug8048110 { 38 private static Robot robot; 39 private static Object lock = new Object(); 40 private static boolean isRealSyncPerformed = false; 41 private static final String htmlText = "<table width=\"100%\" cellpadding=\"10\" cellspacing=\"5\" align=\"center\">" + 42 "<tr><th align=\"left\" bgcolor=\"#bec3c6\">Devices</th><th align=\"left\" bgcolor=\"#bec3c6\">State</th></tr>" + 43 "<tr><td align=\"left\" bgcolor=\"#bec3c6\">PC</td><td align=\"left\" bgcolor=\"#46a055\">Ok</td></tr></table>"; 44 45 public static void main(String[] args) throws Exception { 46 robot = new Robot(); 47 SwingUtilities.invokeAndWait(new Runnable() { 48 @Override 49 public void run() { 50 createAndShowGUI(); 51 } 52 }); 53 54 Thread thread = new Thread() { 55 @Override 56 public void run() { 57 robot.waitForIdle(); 58 synchronized (lock) { 59 isRealSyncPerformed = true; 60 lock.notifyAll(); 61 } 62 } 63 }; 64 thread.start(); 65 66 synchronized (lock) { 67 if (!isRealSyncPerformed) { 68 lock.wait(5000); 69 } 70 } 71 72 if (!isRealSyncPerformed) { 73 throw new RuntimeException("Test Failed!"); 74 } 75 } 76 77 private static void createAndShowGUI() { 78 try { 79 UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel"); 80 } catch (Exception ex) { 81 throw new RuntimeException(ex); 82 } 83 HTMLEditorKit editorKit = new HTMLEditorKit(); 84 JTextPane textPane = new JTextPane(); 85 textPane.setContentType("text/html"); 86 textPane.setEditorKit(editorKit); 87 textPane.setText("Initial text without table"); 88 89 JFrame frame = new JFrame("bug8048110"); 90 frame.getContentPane().add(textPane, BorderLayout.CENTER); 91 frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); 92 frame.setSize(500, 200); 93 frame.setVisible(true); 94 95 textPane.setDocument(textPane.getEditorKit().createDefaultDocument()); 96 HTMLDocument htmlDocument = (HTMLDocument) textPane.getDocument(); 97 Element firstParagraph = findFirstElement(textPane.getDocument().getDefaultRootElement(), "p"); 98 99 try { 100 htmlDocument.setInnerHTML(firstParagraph, htmlText); 101 } catch (Exception ex) { 102 throw new RuntimeException(ex); 103 } 104 } 105 106 private static Element findFirstElement(Element e, String name) { 107 String elementName = e.getName(); 108 if (elementName != null && elementName.equalsIgnoreCase(name)) { 109 return e; 110 } 111 for (int i = 0; i < e.getElementCount(); i++) { 112 Element result = findFirstElement(e.getElement(i), name); 113 if (result != null) { 114 return result; 115 } 116 } 117 return null; 118 } 119 } 120