/* * Copyright (c) 2020, 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. */ import java.awt.EventQueue; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.InputStream; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.io.Serializable; import javax.swing.JSpinner; import javax.swing.UIManager; import javax.swing.UnsupportedLookAndFeelException; import static javax.swing.UIManager.getInstalledLookAndFeels; /** * @test * @bug 7124397 8256376 * @key headful * @summary Verifies that JSpinner can be serialized/deserialized correctly. * @run main/othervm SerializationTest * @run main/othervm -Djava.awt.headless=true SerializationTest */ public final class SerializationTest { public static void main(String[] argv) throws Exception { for (UIManager.LookAndFeelInfo laf : getInstalledLookAndFeels()) { EventQueue.invokeAndWait(() -> setLookAndFeel(laf)); EventQueue.invokeAndWait(() -> { JSpinner spinner = new JSpinner(); JSpinner firstCopy = (JSpinner) createCopy(spinner); JSpinner secondCopy = (JSpinner) createCopy(firstCopy); }); } } private static Object createCopy(Serializable objectToCopy) { try { ByteArrayOutputStream baos = new ByteArrayOutputStream(); ObjectOutputStream oos = new ObjectOutputStream(baos); oos.writeObject(objectToCopy); InputStream bais = new ByteArrayInputStream(baos.toByteArray()); ObjectInputStream ois = new ObjectInputStream(bais); return ois.readObject(); } catch (Exception e) { throw new RuntimeException(e); } } private static void setLookAndFeel(UIManager.LookAndFeelInfo laf) { try { UIManager.setLookAndFeel(laf.getClassName()); } catch (UnsupportedLookAndFeelException ignored) { System.out.println("Unsupported LookAndFeel: " + laf.getClassName()); } catch (Exception e) { throw new RuntimeException(e); } } }