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/*
* Copyright Amazon.com Inc. 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.beans.BeanInfo;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import javax.swing.JPanel;
/**
* @test
* @bug 8308152
* @summary PropertyDescriptor should work with overridden generic getter method
*/
public class OverriddenGetter {
static class Parent<T> {
private T value;
public T getValue() {return value;}
public final void setValue(T value) {this.value = value;}
}
static class ChildO extends Parent<Object> {
public ChildO() {}
@Override
public Object getValue() {return super.getValue();}
}
static class ChildA extends Parent<ArithmeticException> {
public ChildA() {}
@Override
public ArithmeticException getValue() {return super.getValue();}
}
static class ChildS extends Parent<String> {
public ChildS() {}
@Override
public String getValue() {return super.getValue();}
}
public static void main(String[] args) throws Exception {
test("UI", JPanel.class, "getUI", "setUI");
test("value", ChildO.class, "getValue", "setValue");
test("value", ChildA.class, "getValue", "setValue");
test("value", ChildS.class, "getValue", "setValue");
}
private static void test(String name, Class<?> beanClass,
String read, String write) throws Exception
{
var gold = new PropertyDescriptor(name, beanClass, read, write);
BeanInfo beanInfo = Introspector.getBeanInfo(beanClass);
PropertyDescriptor[] pds = beanInfo.getPropertyDescriptors();
for (PropertyDescriptor pd : pds) {
if (pd.getName().equals(gold.getName())) {
if (pd.getReadMethod() != gold.getReadMethod()) {
System.err.println("Expected: " + gold.getReadMethod());
System.err.println("Actual: " + pd.getReadMethod());
throw new RuntimeException("Wrong read method");
}
if (pd.getWriteMethod() != gold.getWriteMethod()) {
System.err.println("Expected: " + gold.getWriteMethod());
System.err.println("Actual: " + pd.getWriteMethod());
throw new RuntimeException("Wrong write method");
}
if (pd.getPropertyType() != gold.getPropertyType()) {
System.err.println("Expected: " + gold.getPropertyType());
System.err.println("Actual: " + pd.getPropertyType());
throw new RuntimeException("Wrong property type");
}
return;
}
}
throw new RuntimeException("The PropertyDescriptor is not found");
}
}
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