76 lines
2.8 KiB
Java
76 lines
2.8 KiB
Java
/*
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* Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4425885
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* @summary Tests VetoableChangeListener notification
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* @author Sergey Malenkov
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*/
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import java.beans.PropertyChangeEvent;
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import java.beans.PropertyVetoException;
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import java.beans.VetoableChangeListener;
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import java.beans.VetoableChangeSupport;
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public class Test4425885 {
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private static final String PROPERTY = "property"; // NON-NLS: predefined property name
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public static void main(String[] args) {
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CheckListener first = new CheckListener();
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VetoListener second = new VetoListener();
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CheckListener third = new CheckListener();
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VetoableChangeSupport vcs = new VetoableChangeSupport(Test4425885.class);
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vcs.addVetoableChangeListener(PROPERTY, first);
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vcs.addVetoableChangeListener(PROPERTY, second);
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vcs.addVetoableChangeListener(PROPERTY, third);
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try {
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vcs.fireVetoableChange(PROPERTY, 0, 1);
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} catch (PropertyVetoException exception) {
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if (first.odd)
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throw new Error("no undo for the first listener", exception);
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if (third.odd)
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throw new Error("no undo for the third listener", exception);
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return; // expected exception
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}
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throw new Error("exception should be thrown");
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}
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private static class CheckListener implements VetoableChangeListener {
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private boolean odd; // even/odd check for notification
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public void vetoableChange(PropertyChangeEvent event) throws PropertyVetoException {
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this.odd = !this.odd;
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}
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}
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private static class VetoListener implements VetoableChangeListener {
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public void vetoableChange(PropertyChangeEvent event) throws PropertyVetoException {
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throw new PropertyVetoException("disable all changes", event);
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}
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}
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}
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