7193977: REGRESSION:Java 7's JavaBeans persistence ignoring the "transient" flag on properties

Reviewed-by: rupashka

src/share/classes/java/beans/IndexedPropertyDescriptor.java

@@ -495,6 +495,16 @@ public class IndexedPropertyDescriptor extends PropertyDescriptor {
         indexedReadMethodName = old.indexedReadMethodName;
     }
 
+    void updateGenericsFor(Class<?> type) {
+        super.updateGenericsFor(type);
+        try {
+            setIndexedPropertyType(findIndexedPropertyType(getIndexedReadMethod0(), getIndexedWriteMethod0()));
+        }
+        catch (IntrospectionException exception) {
+            setIndexedPropertyType(null);
+        }
+    }
+
     /**
      * Returns a hash code value for the object.
      * See {@link java.lang.Object#hashCode} for a complete description.

src/share/classes/java/beans/Introspector.java

@@ -574,26 +574,25 @@ public class Introspector {
             // replace existing property descriptor
             // only if we have types to resolve
             // in the context of this.beanClass
-            try {
-                String name = pd.getName();
-                Method read = pd.getReadMethod();
-                Method write = pd.getWriteMethod();
-                boolean cls = true;
-                if (read != null) cls = cls && read.getGenericReturnType() instanceof Class;
-                if (write != null) cls = cls && write.getGenericParameterTypes()[0] instanceof Class;
-                if (pd instanceof IndexedPropertyDescriptor) {
-                    IndexedPropertyDescriptor ipd = (IndexedPropertyDescriptor)pd;
-                    Method readI = ipd.getIndexedReadMethod();
-                    Method writeI = ipd.getIndexedWriteMethod();
-                    if (readI != null) cls = cls && readI.getGenericReturnType() instanceof Class;
-                    if (writeI != null) cls = cls && writeI.getGenericParameterTypes()[1] instanceof Class;
-                    if (!cls) {
-                        pd = new IndexedPropertyDescriptor(this.beanClass, name, read, write, readI, writeI);
-                    }
-                } else if (!cls) {
-                    pd = new PropertyDescriptor(this.beanClass, name, read, write);
+            Method read = pd.getReadMethod();
+            Method write = pd.getWriteMethod();
+            boolean cls = true;
+            if (read != null) cls = cls && read.getGenericReturnType() instanceof Class;
+            if (write != null) cls = cls && write.getGenericParameterTypes()[0] instanceof Class;
+            if (pd instanceof IndexedPropertyDescriptor) {
+                IndexedPropertyDescriptor ipd = (IndexedPropertyDescriptor) pd;
+                Method readI = ipd.getIndexedReadMethod();
+                Method writeI = ipd.getIndexedWriteMethod();
+                if (readI != null) cls = cls && readI.getGenericReturnType() instanceof Class;
+                if (writeI != null) cls = cls && writeI.getGenericParameterTypes()[1] instanceof Class;
+                if (!cls) {
+                    pd = new IndexedPropertyDescriptor(ipd);
+                    pd.updateGenericsFor(this.beanClass);
                 }
-            } catch ( IntrospectionException e ) {
+            }
+            else if (!cls) {
+                pd = new PropertyDescriptor(pd);
+                pd.updateGenericsFor(this.beanClass);
             }
         }
         list.add(pd);

src/share/classes/java/beans/PropertyDescriptor.java

@@ -632,6 +632,16 @@ public class PropertyDescriptor extends FeatureDescriptor {
         constrained = old.constrained;
     }
 
+    void updateGenericsFor(Class<?> type) {
+        setClass0(type);
+        try {
+            setPropertyType(findPropertyType(getReadMethod0(), getWriteMethod0()));
+        }
+        catch (IntrospectionException exception) {
+            setPropertyType(null);
+        }
+    }
+
     /**
      * Returns the property type that corresponds to the read and write method.
      * The type precedence is given to the readMethod.

test/java/beans/Introspector/Test7193977.java

+/*
+ * 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 7193977
+ * @summary Tests that generified property descriptors do not loose additional info
+ * @author Sergey Malenkov
+ */
+
+import java.awt.Image;
+import java.beans.BeanDescriptor;
+import java.beans.BeanInfo;
+import java.beans.EventSetDescriptor;
+import java.beans.IntrospectionException;
+import java.beans.Introspector;
+import java.beans.MethodDescriptor;
+import java.beans.PropertyDescriptor;
+import java.util.Arrays;
+import java.util.List;
+
+public class Test7193977 {
+
+    private static final List<String> names = Arrays.asList("listType", "list", "value");
+
+    public static void main(String args[]) {
+        for (String name : names) {
+            test(Abstract.class, name);
+            test(Concrete.class, name);
+        }
+    }
+
+    private static void test(Class<?> type, String name) {
+        if (!Boolean.TRUE.equals(BeanUtils.getPropertyDescriptor(type, name).getValue("transient"))) {
+            throw new Error("property '" + name + "' is not transient");
+        }
+    }
+
+    public static final class Concrete extends Abstract<String> {
+    }
+
+    public static abstract class Abstract<T> {
+        private List<T> list;
+
+        public List<T> getList() {
+            return this.list;
+        }
+
+        public void setList(List<T> list) {
+            this.list = list;
+        }
+
+        public T getValue(int index) {
+            return (0 <= index) && (this.list != null) && (index < this.list.size())
+                    ? this.list.get(index)
+                    : null;
+        }
+
+        public void setValue(int index, T value) {
+            if ((0 <= index) && (this.list != null)) {
+                if (index == this.list.size()) {
+                    this.list.add(value);
+                }
+                else if (index < this.list.size()) {
+                    this.list.set(index, value);
+                }
+            }
+        }
+
+        public String getListType() {
+            return (this.list != null)
+                    ? this.list.getClass().getName()
+                    : null;
+        }
+
+        public void setListType(String type) throws Exception {
+            this.list = (type != null)
+                    ? (List<T>) Class.forName(type).newInstance()
+                    : null;
+        }
+    }
+
+    public static final class ConcreteBeanInfo extends Wrapper {
+        public ConcreteBeanInfo() throws IntrospectionException {
+            super(Concrete.class);
+        }
+    }
+
+    public static final class AbstractBeanInfo extends Wrapper {
+        public AbstractBeanInfo() throws IntrospectionException {
+            super(Abstract.class);
+            for (PropertyDescriptor pd : getPropertyDescriptors()) {
+                if (names.contains(pd.getName())) {
+                    pd.setValue("transient", Boolean.TRUE);
+                }
+            }
+        }
+    }
+
+    private static class Wrapper implements BeanInfo {
+        private final BeanInfo info;
+
+        Wrapper(Class<?> type) throws IntrospectionException {
+            this.info = Introspector.getBeanInfo(type, Introspector.IGNORE_IMMEDIATE_BEANINFO);
+        }
+
+        public BeanDescriptor getBeanDescriptor() {
+            return this.info.getBeanDescriptor();
+        }
+
+        public EventSetDescriptor[] getEventSetDescriptors() {
+            return this.info.getEventSetDescriptors();
+        }
+
+        public int getDefaultEventIndex() {
+            return this.info.getDefaultEventIndex();
+        }
+
+        public PropertyDescriptor[] getPropertyDescriptors() {
+            return this.info.getPropertyDescriptors();
+        }
+
+        public int getDefaultPropertyIndex() {
+            return this.info.getDefaultPropertyIndex();
+        }
+
+        public MethodDescriptor[] getMethodDescriptors() {
+            return this.info.getMethodDescriptors();
+        }
+
+        public BeanInfo[] getAdditionalBeanInfo() {
+            return this.info.getAdditionalBeanInfo();
+        }
+
+        public Image getIcon(int kind) {
+            return this.info.getIcon(kind);
+        }
+    }
+}