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/*
* Copyright (c) 2007, 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 4425885
* @summary Tests VetoableChangeListener notification
* @author Sergey Malenkov
*/
import java.beans.PropertyChangeEvent;
import java.beans.PropertyVetoException;
import java.beans.VetoableChangeListener;
import java.beans.VetoableChangeSupport;
public class Test4425885 {
private static final String PROPERTY = "property"; // NON-NLS: predefined property name
public static void main(String[] args) {
CheckListener first = new CheckListener();
VetoListener second = new VetoListener();
CheckListener third = new CheckListener();
VetoableChangeSupport vcs = new VetoableChangeSupport(Test4425885.class);
vcs.addVetoableChangeListener(PROPERTY, first);
vcs.addVetoableChangeListener(PROPERTY, second);
vcs.addVetoableChangeListener(PROPERTY, third);
try {
vcs.fireVetoableChange(PROPERTY, 0, 1);
} catch (PropertyVetoException exception) {
if (first.odd)
throw new Error("no undo for the first listener", exception);
if (third.odd)
throw new Error("no undo for the third listener", exception);
return; // expected exception
}
throw new Error("exception should be thrown");
}
private static class CheckListener implements VetoableChangeListener {
private boolean odd; // even/odd check for notification
public void vetoableChange(PropertyChangeEvent event) throws PropertyVetoException {
this.odd = !this.odd;
}
}
private static class VetoListener implements VetoableChangeListener {
public void vetoableChange(PropertyChangeEvent event) throws PropertyVetoException {
throw new PropertyVetoException("disable all changes", event);
}
}
}
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