jdk/test/java/beans/Introspector/Test8027648.java
author lana
Tue, 23 May 2017 21:11:42 +0000
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permissions -rw-r--r--
Added tag jdk-10+7 for changeset d554736d963e
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/*
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 * Copyright (c) 2013, Oracle and/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.IndexedPropertyDescriptor;
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import java.beans.PropertyDescriptor;
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/*
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 * @test
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 * @bug 8027648
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 * @summary Tests overridden getter and overloaded setter
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 * @author Sergey Malenkov
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 */
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public class Test8027648 {
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    public static void main(String[] args) {
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        test(false);
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        test(true);
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    }
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    private static void test(boolean indexed) {
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        Class<?> parent = getPropertyType(BaseBean.class, indexed);
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        Class<?> child = getPropertyType(MyBean.class, indexed);
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        if (parent.equals(child) || !parent.isAssignableFrom(child)) {
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            throw new Error("the child property type is not override the parent property type");
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        }
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    }
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    private static Class<?> getPropertyType(Class<?> type, boolean indexed) {
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        PropertyDescriptor pd = BeanUtils.findPropertyDescriptor(type, indexed ? "index" : "value");
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        if (pd instanceof IndexedPropertyDescriptor) {
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            IndexedPropertyDescriptor ipd = (IndexedPropertyDescriptor) pd;
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            return ipd.getIndexedPropertyType();
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        }
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        return pd.getPropertyType();
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    }
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    public static class BaseBean {
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        private Object value;
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        public Object getValue() {
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            return this.value;
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        }
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        public void setValue(Object value) {
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            this.value = value;
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        }
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        public Object getIndex(int index) {
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            return getValue();
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        }
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        public void setIndex(int index, Object value) {
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            setValue(value);
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        }
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    }
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    public static class MyBean extends BaseBean {
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        @Override
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        public String getValue() {
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            return (String) super.getValue();
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        }
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        public void setValue(String value) {
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            setValue((Object) value);
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        }
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        @Override
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        public String getIndex(int index) {
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            return getValue();
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        }
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        public void setIndex(int index, String value) {
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            setValue(value);
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        }
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    }
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}