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