6976577: JCK7 api/java_beans/EventSetDescriptor/descriptions.html#Ctor1 fails since jdk7 b102
Reviewed-by: peterz
--- a/jdk/src/share/classes/java/beans/EventSetDescriptor.java Sun Sep 26 14:14:48 2010 -0700
+++ b/jdk/src/share/classes/java/beans/EventSetDescriptor.java Mon Sep 27 13:38:49 2010 +0400
@@ -176,8 +176,9 @@
setRemoveListenerMethod(getMethod(sourceClass, removeListenerMethodName, 1));
// Be more forgiving of not finding the getListener method.
- if (getListenerMethodName != null) {
- setGetListenerMethod(Introspector.findInstanceMethod(sourceClass, getListenerMethodName));
+ Method method = Introspector.findMethod(sourceClass, getListenerMethodName, 0);
+ if (method != null) {
+ setGetListenerMethod(method);
}
}
--- a/jdk/src/share/classes/java/beans/IndexedPropertyDescriptor.java Sun Sep 26 14:14:48 2010 -0700
+++ b/jdk/src/share/classes/java/beans/IndexedPropertyDescriptor.java Mon Sep 27 13:38:49 2010 +0400
@@ -189,11 +189,13 @@
indexedReadMethodName = Introspector.GET_PREFIX + getBaseName();
}
}
- indexedReadMethod = Introspector.findInstanceMethod(cls, indexedReadMethodName, int.class);
+
+ Class[] args = { int.class };
+ indexedReadMethod = Introspector.findMethod(cls, indexedReadMethodName, 1, args);
if (indexedReadMethod == null) {
// no "is" method, so look for a "get" method.
indexedReadMethodName = Introspector.GET_PREFIX + getBaseName();
- indexedReadMethod = Introspector.findInstanceMethod(cls, indexedReadMethodName, int.class);
+ indexedReadMethod = Introspector.findMethod(cls, indexedReadMethodName, 1, args);
}
setIndexedReadMethod0(indexedReadMethod);
}
@@ -265,7 +267,9 @@
if (indexedWriteMethodName == null) {
indexedWriteMethodName = Introspector.SET_PREFIX + getBaseName();
}
- indexedWriteMethod = Introspector.findInstanceMethod(cls, indexedWriteMethodName, int.class, type);
+
+ Class[] args = (type == null) ? null : new Class[] { int.class, type };
+ indexedWriteMethod = Introspector.findMethod(cls, indexedWriteMethodName, 2, args);
if (indexedWriteMethod != null) {
if (!indexedWriteMethod.getReturnType().equals(void.class)) {
indexedWriteMethod = null;
--- a/jdk/src/share/classes/java/beans/Introspector.java Sun Sep 26 14:14:48 2010 -0700
+++ b/jdk/src/share/classes/java/beans/Introspector.java Mon Sep 27 13:38:49 2010 +0400
@@ -28,7 +28,6 @@
import com.sun.beans.WeakCache;
import com.sun.beans.finder.BeanInfoFinder;
import com.sun.beans.finder.ClassFinder;
-import com.sun.beans.finder.MethodFinder;
import java.lang.ref.Reference;
import java.lang.ref.SoftReference;
@@ -843,8 +842,8 @@
Method read = result.getReadMethod();
if (read == null && write != null) {
- read = findInstanceMethod(result.getClass0(),
- GET_PREFIX + NameGenerator.capitalize(result.getName()));
+ read = findMethod(result.getClass0(),
+ GET_PREFIX + NameGenerator.capitalize(result.getName()), 0);
if (read != null) {
try {
result.setReadMethod(read);
@@ -854,9 +853,9 @@
}
}
if (write == null && read != null) {
- write = findInstanceMethod(result.getClass0(),
- SET_PREFIX + NameGenerator.capitalize(result.getName()),
- FeatureDescriptor.getReturnType(result.getClass0(), read));
+ write = findMethod(result.getClass0(),
+ SET_PREFIX + NameGenerator.capitalize(result.getName()), 1,
+ new Class[] { FeatureDescriptor.getReturnType(result.getClass0(), read) });
if (write != null) {
try {
result.setWriteMethod(write);
@@ -1280,27 +1279,90 @@
// Package private support methods.
//======================================================================
- static Method findMethod(Class<?> type, String name, int args) {
- for (Method method : type.getMethods()) {
- if (method.getName().equals(name) && (args == method.getParameterTypes().length)) {
- try {
- return MethodFinder.findAccessibleMethod(method);
+ /**
+ * Internal support for finding a target methodName with a given
+ * parameter list on a given class.
+ */
+ private static Method internalFindMethod(Class start, String methodName,
+ int argCount, Class args[]) {
+ // For overriden methods we need to find the most derived version.
+ // So we start with the given class and walk up the superclass chain.
+
+ Method method = null;
+
+ for (Class cl = start; cl != null; cl = cl.getSuperclass()) {
+ Method methods[] = getPublicDeclaredMethods(cl);
+ for (int i = 0; i < methods.length; i++) {
+ method = methods[i];
+ if (method == null) {
+ continue;
}
- catch (NoSuchMethodException exception) {
- // continue search for a method with the specified count of parameters
+
+ // make sure method signature matches.
+ Class params[] = FeatureDescriptor.getParameterTypes(start, method);
+ if (method.getName().equals(methodName) &&
+ params.length == argCount) {
+ if (args != null) {
+ boolean different = false;
+ if (argCount > 0) {
+ for (int j = 0; j < argCount; j++) {
+ if (params[j] != args[j]) {
+ different = true;
+ continue;
+ }
+ }
+ if (different) {
+ continue;
+ }
+ }
+ }
+ return method;
}
}
}
- return null;
+ method = null;
+
+ // Now check any inherited interfaces. This is necessary both when
+ // the argument class is itself an interface, and when the argument
+ // class is an abstract class.
+ Class ifcs[] = start.getInterfaces();
+ for (int i = 0 ; i < ifcs.length; i++) {
+ // Note: The original implementation had both methods calling
+ // the 3 arg method. This is preserved but perhaps it should
+ // pass the args array instead of null.
+ method = internalFindMethod(ifcs[i], methodName, argCount, null);
+ if (method != null) {
+ break;
+ }
+ }
+ return method;
}
- static Method findInstanceMethod(Class<?> type, String name, Class<?>... args) {
- try {
- return MethodFinder.findInstanceMethod(type, name, args);
- }
- catch (NoSuchMethodException exception) {
+ /**
+ * Find a target methodName on a given class.
+ */
+ static Method findMethod(Class cls, String methodName, int argCount) {
+ return findMethod(cls, methodName, argCount, null);
+ }
+
+ /**
+ * Find a target methodName with specific parameter list on a given class.
+ * <p>
+ * Used in the contructors of the EventSetDescriptor,
+ * PropertyDescriptor and the IndexedPropertyDescriptor.
+ * <p>
+ * @param cls The Class object on which to retrieve the method.
+ * @param methodName Name of the method.
+ * @param argCount Number of arguments for the desired method.
+ * @param args Array of argument types for the method.
+ * @return the method or null if not found
+ */
+ static Method findMethod(Class cls, String methodName, int argCount,
+ Class args[]) {
+ if (methodName == null) {
return null;
}
+ return internalFindMethod(cls, methodName, argCount, args);
}
/**
--- a/jdk/src/share/classes/java/beans/MethodDescriptor.java Sun Sep 26 14:14:48 2010 -0700
+++ b/jdk/src/share/classes/java/beans/MethodDescriptor.java Mon Sep 27 13:38:49 2010 +0400
@@ -90,13 +90,13 @@
// Find methods for up to 2 params. We are guessing here.
// This block should never execute unless the classloader
// that loaded the argument classes disappears.
- method = Introspector.findMethod(cls, name, i);
+ method = Introspector.findMethod(cls, name, i, null);
if (method != null) {
break;
}
}
} else {
- method = Statement.getMethod(cls, name, params);
+ method = Introspector.findMethod(cls, name, params.length, params);
}
setMethod(method);
}
--- a/jdk/src/share/classes/java/beans/PropertyDescriptor.java Sun Sep 26 14:14:48 2010 -0700
+++ b/jdk/src/share/classes/java/beans/PropertyDescriptor.java Mon Sep 27 13:38:49 2010 +0400
@@ -112,7 +112,8 @@
// If this class or one of its base classes allow PropertyChangeListener,
// then we assume that any properties we discover are "bound".
// See Introspector.getTargetPropertyInfo() method.
- this.bound = null != Introspector.findInstanceMethod(beanClass, "addPropertyChangeListener", PropertyChangeListener.class);
+ Class[] args = { PropertyChangeListener.class };
+ this.bound = null != Introspector.findMethod(beanClass, "addPropertyChangeListener", args.length, args);
}
/**
@@ -223,10 +224,10 @@
// property type is. For booleans, there can be "is" and "get"
// methods. If an "is" method exists, this is the official
// reader method so look for this one first.
- readMethod = Introspector.findInstanceMethod(cls, readMethodName);
+ readMethod = Introspector.findMethod(cls, readMethodName, 0);
if (readMethod == null) {
readMethodName = Introspector.GET_PREFIX + getBaseName();
- readMethod = Introspector.findInstanceMethod(cls, readMethodName);
+ readMethod = Introspector.findMethod(cls, readMethodName, 0);
}
try {
setReadMethod(readMethod);
@@ -291,7 +292,8 @@
writeMethodName = Introspector.SET_PREFIX + getBaseName();
}
- writeMethod = Introspector.findInstanceMethod(cls, writeMethodName, type);
+ Class[] args = (type == null) ? null : new Class[] { type };
+ writeMethod = Introspector.findMethod(cls, writeMethodName, 1, args);
if (writeMethod != null) {
if (!writeMethod.getReturnType().equals(void.class)) {
writeMethod = null;
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/beans/Introspector/6976577/Test6976577.java Mon Sep 27 13:38:49 2010 +0400
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2010, 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 6976577
+ * @summary Tests public methods in non-public beans
+ * @author Sergey Malenkov
+ */
+
+import test.Accessor;
+
+import java.beans.EventSetDescriptor;
+import java.beans.IndexedPropertyDescriptor;
+import java.beans.PropertyDescriptor;
+import java.lang.reflect.Method;
+
+public class Test6976577 {
+
+ public static void main(String[] args) throws Exception {
+ Class<?> bt = Accessor.getBeanType();
+ Class<?> lt = Accessor.getListenerType();
+
+ // test PropertyDescriptor
+ PropertyDescriptor pd = new PropertyDescriptor("boolean", bt);
+ test(pd.getReadMethod());
+ test(pd.getWriteMethod());
+
+ // test IndexedPropertyDescriptor
+ IndexedPropertyDescriptor ipd = new IndexedPropertyDescriptor("indexed", bt);
+ test(ipd.getReadMethod());
+ test(ipd.getWriteMethod());
+ test(ipd.getIndexedReadMethod());
+ test(ipd.getIndexedWriteMethod());
+
+ // test EventSetDescriptor
+ EventSetDescriptor esd = new EventSetDescriptor(bt, "test", lt, "process");
+ test(esd.getAddListenerMethod());
+ test(esd.getRemoveListenerMethod());
+ test(esd.getGetListenerMethod());
+ test(esd.getListenerMethods());
+ }
+
+ private static void test(Method... methods) {
+ for (Method method : methods) {
+ if (method == null) {
+ throw new Error("public method is not found");
+ }
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/beans/Introspector/6976577/test/Accessor.java Mon Sep 27 13:38:49 2010 +0400
@@ -0,0 +1,81 @@
+package test;
+
+import java.beans.PropertyChangeListener;
+import java.beans.PropertyChangeSupport;
+import java.util.EventListener;
+import java.util.TooManyListenersException;
+
+public class Accessor {
+
+ public static Class<?> getBeanType() {
+ return Bean.class;
+ }
+
+ public static Class<?> getListenerType() {
+ return TestListener.class;
+ }
+}
+
+interface TestEvent {
+}
+
+interface TestListener extends EventListener {
+ void process(TestEvent event);
+}
+
+class Bean {
+
+ private boolean b;
+ private int[] indexed;
+ private TestListener listener;
+ private final PropertyChangeSupport pcs = new PropertyChangeSupport(this);
+
+ public void addPropertyChangeListener(PropertyChangeListener listener) {
+ this.pcs.addPropertyChangeListener(listener);
+ }
+
+ public void addTestListener(TestListener listener) throws TooManyListenersException {
+ if (listener != null) {
+ if (this.listener != null) {
+ throw new TooManyListenersException();
+ }
+ this.listener = listener;
+ }
+ }
+
+ public void removeTestListener(TestListener listener) {
+ if (this.listener == listener) {
+ this.listener = null;
+ }
+ }
+
+ public TestListener[] getTestListeners() {
+ return (this.listener != null)
+ ? new TestListener[] { this.listener }
+ : new TestListener[0];
+ }
+
+ public boolean isBoolean() {
+ return this.b;
+ }
+
+ public void setBoolean(boolean b) {
+ this.b = b;
+ }
+
+ public int[] getIndexed() {
+ return this.indexed;
+ }
+
+ public void setIndexed(int[] values) {
+ this.indexed = values;
+ }
+
+ public int getIndexed(int index) {
+ return this.indexed[index];
+ }
+
+ public void setIndexed(int index, int value) {
+ this.indexed[index] = value;
+ }
+}