1 /* 2 * Copyright (c) 2016, 2017, 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 * @key headful 27 * @bug 6567433 28 * 29 * @summary JTableHeader.updateUI() invokes updateUI() on its TableCellrenderer via 30 * SwingUtilities.updateComponentTreeUI(). 31 * If the Tablecellrenderer is a parent of this JTableHeader, the method recurses 32 * endless. 33 * This test tests that the fix is effective in avoiding recursion. 34 * 35 * @run main/othervm UpdateUIRecursionTest 36 */ 37 38 import java.awt.BorderLayout; 39 import java.awt.Component; 40 import javax.swing.JFrame; 41 import javax.swing.JLabel; 42 import javax.swing.JScrollPane; 43 import javax.swing.JTable; 44 import javax.swing.SwingUtilities; 45 import javax.swing.table.JTableHeader; 46 import javax.swing.table.TableCellRenderer; 47 48 public class UpdateUIRecursionTest extends JFrame implements TableCellRenderer { 49 JTable table; 50 51 public UpdateUIRecursionTest() { 52 super("UpdateUIRecursionTest"); 53 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 54 setSize(400, 400); 55 56 String[] columnNames = { 57 "First Name", 58 "Last Name", 59 "Sport", 60 "# of Years", 61 "Vegetarian"}; 62 63 Object[][] data = { 64 {"Mary", "Campione", 65 "Snowboarding", new Integer(5), new Boolean(false)}, 66 {"Alison", "Huml", 67 "Rowing", new Integer(3), new Boolean(true)}, 68 {"Kathy", "Walrath", 69 "Knitting", new Integer(2), new Boolean(false)}, 70 {"Sharon", "Zakhour", 71 "Speed reading", new Integer(20), new Boolean(true)}, 72 {"Philip", "Milne", 73 "Pool", new Integer(10), new Boolean(false)} 74 }; 75 76 JTableHeader tableHeader = new JTableHeader(); 77 table = new JTable(data, columnNames); 78 table.setTableHeader(tableHeader); 79 tableHeader.setDefaultRenderer(this); 80 81 getContentPane().add(new JScrollPane(table), BorderLayout.CENTER); 82 83 setVisible(true); 84 } 85 86 public static void main(String[] args) throws Exception { 87 88 SwingUtilities.invokeAndWait(new Runnable() { 89 90 @Override 91 public void run() { 92 UpdateUIRecursionTest obj = new UpdateUIRecursionTest(); 93 94 obj.test(); 95 96 obj.disposeUI(); 97 } 98 }); 99 } 100 101 public void test() { 102 SwingUtilities.updateComponentTreeUI(this); 103 } 104 105 public void disposeUI() { 106 setVisible(false); 107 dispose(); 108 } 109 110 public Component getTableCellRendererComponent(JTable table, Object value, 111 boolean isSelected, boolean hasFocus, int row, int col) { 112 return new JLabel(String.valueOf(value)); 113 } 114 } 115 116