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