/* * Copyright (c) 2023, 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. */ /* * @test * @bug 6450193 * @key headful * @summary JTableHeader doesn't uninstall UI after first serialization * @run main SerializeJTableHeader */ import javax.swing.table.JTableHeader; import javax.swing.UIManager; import javax.swing.UnsupportedLookAndFeelException; import javax.swing.SwingUtilities; import java.io.ByteArrayOutputStream; import java.io.ObjectOutputStream; public class SerializeJTableHeader { private static void setLookAndFeel(UIManager.LookAndFeelInfo laf) { try { UIManager.setLookAndFeel(laf.getClassName()); } catch (UnsupportedLookAndFeelException ignored) { System.out.println("Unsupported L&F: " + laf.getClassName()); } catch (ClassNotFoundException | InstantiationException | IllegalAccessException e) { throw new RuntimeException(e); } } public static void main(String[] args) throws Exception { for (UIManager.LookAndFeelInfo laf : UIManager.getInstalledLookAndFeels()) { System.out.println("Testing L&F: " + laf); setLookAndFeel(laf); JTableHeader jth = new JTableHeader(); for (int i = 0; i < 10; i++) { try (ByteArrayOutputStream baos = new ByteArrayOutputStream(); ObjectOutputStream oos = new ObjectOutputStream(baos)) { oos.writeObject(jth); oos.writeObject(jth.getAccessibleContext()); } } } } }