1 /* 2 * Copyright (c) 2016, 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 6567433 26 * 27 * @summary JTableHeader.updateUI() invokes updateUI() on its TableCellrenderer via 28 * SwingUtilities.updateComponentTreeUI(). 29 * If the Tablecellrenderer is a parent of this JTableHeader, the method recurses 30 * endless. 31 * This test tests that the fix is effective in avoiding recursion. 32 * 33 * @run main/othervm UpdateUIRecursionTest 34 */ 35 36 import java.awt.BorderLayout; 37 import java.awt.Component; 38 import javax.swing.JFrame; 39 import javax.swing.JLabel; 40 import javax.swing.JScrollPane; 41 import javax.swing.JTable; 42 import javax.swing.SwingUtilities; 43 import javax.swing.table.JTableHeader; 44 import javax.swing.table.TableCellRenderer; 45 46 public class UpdateUIRecursionTest extends JFrame implements TableCellRenderer { 47 JTable table; 48 49 public UpdateUIRecursionTest() { 50 super("UpdateUIRecursionTest"); 51 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 52 setSize(400, 400); 53 54 String[] columnNames = { 55 "First Name", 56 "Last Name", 57 "Sport", 58 "# of Years", 59 "Vegetarian"}; 60 61 Object[][] data = { 62 {"Mary", "Campione", 63 "Snowboarding", new Integer(5), new Boolean(false)}, 64 {"Alison", "Huml", 65 "Rowing", new Integer(3), new Boolean(true)}, 66 {"Kathy", "Walrath", 67 "Knitting", new Integer(2), new Boolean(false)}, 68 {"Sharon", "Zakhour", 69 "Speed reading", new Integer(20), new Boolean(true)}, 70 {"Philip", "Milne", 71 "Pool", new Integer(10), new Boolean(false)} 72 }; 73 74 JTableHeader tableHeader = new JTableHeader(); 75 table = new JTable(data, columnNames); 76 table.setTableHeader(tableHeader); 77 tableHeader.setDefaultRenderer(this); 78 79 getContentPane().add(new JScrollPane(table), BorderLayout.CENTER); 80 81 setVisible(true); 82 } 83 84 public static void main(String[] args) throws Exception { 85 86 SwingUtilities.invokeAndWait(new Runnable() { 87 88 @Override 89 public void run() { 90 UpdateUIRecursionTest obj = new UpdateUIRecursionTest(); 91 92 obj.test(); 93 94 obj.disposeUI(); 95 } 96 }); 97 } 98 99 public void test() { 100 SwingUtilities.updateComponentTreeUI(this); 101 } 102 103 public void disposeUI() { 104 setVisible(false); 105 dispose(); 106 } 107 108 public Component getTableCellRendererComponent(JTable table, Object value, 109 boolean isSelected, boolean hasFocus, int row, int col) { 110 return new JLabel(String.valueOf(value)); 111 } 112 } 113 114