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/*
* Copyright (c) 2012, 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 8005065
* @summary Tests that all arrays in JavaBeans are guarded
* @author Sergey Malenkov
*/
import java.beans.DefaultPersistenceDelegate;
import java.beans.Encoder;
import java.beans.EventSetDescriptor;
import java.beans.ExceptionListener;
import java.beans.Expression;
import java.beans.Statement;
import java.beans.MethodDescriptor;
import java.beans.ParameterDescriptor;
public class Test8005065 {
public static void main(String[] args) {
testDefaultPersistenceDelegate();
testEventSetDescriptor();
testMethodDescriptor();
testStatement();
}
private static void testDefaultPersistenceDelegate() {
Encoder encoder = new Encoder();
String[] array = { "array" };
MyDPD dpd = new MyDPD(array);
dpd.instantiate(dpd, encoder);
array[0] = null;
dpd.instantiate(dpd, encoder);
}
private static void testEventSetDescriptor() {
try {
MethodDescriptor[] array = { new MethodDescriptor(MyDPD.class.getMethod("getArray")) };
EventSetDescriptor descriptor = new EventSetDescriptor(null, null, array, null, null);
test(descriptor.getListenerMethodDescriptors());
array[0] = null;
test(descriptor.getListenerMethodDescriptors());
descriptor.getListenerMethodDescriptors()[0] = null;
test(descriptor.getListenerMethodDescriptors());
}
catch (Exception exception) {
throw new Error("unexpected error", exception);
}
}
private static void testMethodDescriptor() {
try {
ParameterDescriptor[] array = { new ParameterDescriptor() };
MethodDescriptor descriptor = new MethodDescriptor(MyDPD.class.getMethod("getArray"), array);
test(descriptor.getParameterDescriptors());
array[0] = null;
test(descriptor.getParameterDescriptors());
descriptor.getParameterDescriptors()[0] = null;
test(descriptor.getParameterDescriptors());
}
catch (Exception exception) {
throw new Error("unexpected error", exception);
}
}
private static void testStatement() {
Object[] array = { new Object() };
Statement statement = new Statement(null, null, array);
test(statement.getArguments());
array[0] = null;
test(statement.getArguments());
statement.getArguments()[0] = null;
test(statement.getArguments());
}
private static <T> void test(T[] array) {
if (array.length != 1) {
throw new Error("unexpected array length");
}
if (array[0] == null) {
throw new Error("unexpected array content");
}
}
public static class MyDPD
extends DefaultPersistenceDelegate
implements ExceptionListener {
private final String[] array;
public MyDPD(String[] array) {
super(array);
this.array = array;
}
public Expression instantiate(Object instance, Encoder encoder) {
encoder.setExceptionListener(this);
return super.instantiate(instance, encoder);
}
public String[] getArray() {
return this.array;
}
public void exceptionThrown(Exception exception) {
throw new Error("unexpected error", exception);
}
}
}
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