82 lines
3.0 KiB
Java
82 lines
3.0 KiB
Java
/*
|
|
* Copyright (c) 2008, 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 6630275
|
|
* @summary Tests VetoableChangeSupport specification
|
|
* @author Sergey Malenkov
|
|
*/
|
|
|
|
import java.beans.PropertyChangeEvent;
|
|
import java.beans.PropertyVetoException;
|
|
import java.beans.VetoableChangeListener;
|
|
import java.beans.VetoableChangeSupport;
|
|
|
|
public class Test6630275 {
|
|
private static final String PROPERTY = "property"; // NON-NLS: predefined property name
|
|
|
|
public static void main(String[] args) {
|
|
CheckListener first = new CheckListener(false);
|
|
CheckListener second = new CheckListener(true);
|
|
CheckListener third = new CheckListener(false);
|
|
|
|
VetoableChangeSupport vcs = new VetoableChangeSupport(Test6630275.class);
|
|
vcs.addVetoableChangeListener(first);
|
|
vcs.addVetoableChangeListener(PROPERTY, first);
|
|
vcs.addVetoableChangeListener(PROPERTY, second);
|
|
vcs.addVetoableChangeListener(PROPERTY, third);
|
|
try {
|
|
vcs.fireVetoableChange(PROPERTY, true, false);
|
|
} catch (PropertyVetoException exception) {
|
|
first.validate();
|
|
second.validate();
|
|
third.validate();
|
|
return; // expected exception
|
|
}
|
|
throw new Error("exception should be thrown");
|
|
}
|
|
|
|
private static class CheckListener implements VetoableChangeListener {
|
|
private final boolean veto;
|
|
private boolean odd; // even/odd check for notification
|
|
|
|
private CheckListener(boolean veto) {
|
|
this.veto = veto;
|
|
}
|
|
|
|
private void validate() {
|
|
if (this.veto != this.odd)
|
|
throw new Error(this.odd
|
|
? "undo event expected"
|
|
: "unexpected undo event");
|
|
}
|
|
|
|
public void vetoableChange(PropertyChangeEvent event) throws PropertyVetoException {
|
|
this.odd = !this.odd;
|
|
if (this.veto)
|
|
throw new PropertyVetoException("disable all changes", event);
|
|
}
|
|
}
|
|
}
|