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dragonwell8_jdk
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83fe1bfa
编写于
9月 06, 2011
作者:
D
darcy
浏览文件
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电子邮件补丁
差异文件
7086192: (reflect) Have TypeVariable extend AnnotatedElement
Reviewed-by: mcimadamore
上级
25280618
变更
3
显示空白变更内容
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3 changed file
with
114 addition
and
1 deletion
+114
-1
src/share/classes/java/lang/reflect/TypeVariable.java
src/share/classes/java/lang/reflect/TypeVariable.java
+1
-1
src/share/classes/sun/reflect/generics/reflectiveObjects/TypeVariableImpl.java
.../reflect/generics/reflectiveObjects/TypeVariableImpl.java
+25
-0
test/java/lang/reflect/TypeVariable/TestAnnotatedElement.java
.../java/lang/reflect/TypeVariable/TestAnnotatedElement.java
+88
-0
未找到文件。
src/share/classes/java/lang/reflect/TypeVariable.java
浏览文件 @
83fe1bfa
...
...
@@ -48,7 +48,7 @@ package java.lang.reflect;
*
* @since 1.5
*/
public
interface
TypeVariable
<
D
extends
GenericDeclaration
>
extends
Type
{
public
interface
TypeVariable
<
D
extends
GenericDeclaration
>
extends
Type
,
AnnotatedElement
{
/**
* Returns an array of {@code Type} objects representing the
* upper bound(s) of this type variable. Note that if no upper bound is
...
...
src/share/classes/sun/reflect/generics/reflectiveObjects/TypeVariableImpl.java
浏览文件 @
83fe1bfa
...
...
@@ -25,9 +25,11 @@
package
sun.reflect.generics.reflectiveObjects
;
import
java.lang.annotation.Annotation
;
import
java.lang.reflect.GenericDeclaration
;
import
java.lang.reflect.Type
;
import
java.lang.reflect.TypeVariable
;
import
java.util.Objects
;
import
sun.reflect.generics.factory.GenericsFactory
;
import
sun.reflect.generics.tree.FieldTypeSignature
;
...
...
@@ -178,4 +180,27 @@ public class TypeVariableImpl<D extends GenericDeclaration>
public
int
hashCode
()
{
return
genericDeclaration
.
hashCode
()
^
name
.
hashCode
();
}
// Currently vacuous implementations of AnnotatedElement methods.
public
boolean
isAnnotationPresent
(
Class
<?
extends
Annotation
>
annotationClass
)
{
Objects
.
requireNonNull
(
annotationClass
);
return
false
;
}
public
<
T
extends
Annotation
>
T
getAnnotation
(
Class
<
T
>
annotationClass
)
{
Objects
.
requireNonNull
(
annotationClass
);
return
null
;
}
public
Annotation
[]
getAnnotations
()
{
// Since zero-length, don't need defensive clone
return
EMPTY_ANNOTATION_ARRAY
;
}
public
Annotation
[]
getDeclaredAnnotations
()
{
// Since zero-length, don't need defensive clone
return
EMPTY_ANNOTATION_ARRAY
;
}
private
static
final
Annotation
[]
EMPTY_ANNOTATION_ARRAY
=
new
Annotation
[
0
];
}
test/java/lang/reflect/TypeVariable/TestAnnotatedElement.java
0 → 100644
浏览文件 @
83fe1bfa
/*
* Copyright (c) 2011, 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 7086192
* @summary Verify functionality of AnnotatedElement methods on type variables
* @author Joseph D. Darcy
*/
import
java.lang.reflect.*
;
import
java.lang.annotation.*
;
public
class
TestAnnotatedElement
<
A
>
{
// Type variable on a method
private
static
<
B
>
B
m
(
B
b
)
{
return
null
;}
// Type variable on a construtor
private
<
C
>
TestAnnotatedElement
(){
super
();}
public
static
void
main
(
String
...
argv
)
throws
ReflectiveOperationException
{
int
errors
=
0
;
Class
<?>
clazz
=
TestAnnotatedElement
.
class
;
errors
+=
testTypeVariable
(
clazz
.
getTypeParameters
());
errors
+=
testTypeVariable
(
clazz
.
getDeclaredConstructor
().
getTypeParameters
());
errors
+=
testTypeVariable
(
clazz
.
getDeclaredMethod
(
"m"
,
Object
.
class
).
getTypeParameters
());
if
(
errors
>
0
)
throw
new
RuntimeException
(
errors
+
" failures"
);
}
private
static
int
testTypeVariable
(
TypeVariable
<?>[]
typeVars
)
{
int
errors
=
0
;
if
(
typeVars
.
length
==
0
)
return
++
errors
;
for
(
TypeVariable
<?>
typeVar
:
typeVars
)
{
try
{
typeVar
.
getAnnotation
(
null
);
errors
++;
}
catch
(
NullPointerException
npe
)
{
;
// Expected
}
if
(
typeVar
.
getAnnotation
(
SuppressWarnings
.
class
)
!=
null
)
errors
++;
try
{
typeVar
.
isAnnotationPresent
(
null
);
errors
++;
}
catch
(
NullPointerException
npe
)
{
;
// Expected
}
if
(
typeVar
.
isAnnotationPresent
(
SuppressWarnings
.
class
))
errors
++;
if
(
typeVar
.
getAnnotations
().
length
!=
0
)
errors
++;
if
(
typeVar
.
getDeclaredAnnotations
().
length
!=
0
)
errors
++;
}
return
errors
;
}
}
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