Can you file a JBS issue?
Mandy
On 10/23/18 12:15 PM, Kasper Nielsen wrote:
Hi Mandy,
Yes, that it was my code is doing now, I unreflect a member and then
test if an exception is thrown.
However, it is just a bit of an antipattern, catching exception to
test a condition.
I would prefer if something like this was available:
boolean Lookup.isAccessible(Member member)
boolean Lookup.isAccessible(Class<?> member)
/Kasper
On Tue, 23 Oct 2018 at 00:07, Mandy Chung <mandy.ch...@oracle.com
<mailto:mandy.ch...@oracle.com>> wrote:
Lookup.accessClass(member.getDeclaringClass()) can be used to test
if the lookup class can access the declaring class of the given
member.
This only checks if a class is accessible. I think unreflecting a
member
will do what you are looking for to check if the lookup object has
access
to the member. What does the code do if the Lookup object has access
vs has no access?
Mandy
On 10/22/18 1:17 PM, Kasper Nielsen wrote:
Hi,
Are there any elegant way to test if a Lookup object has access to a member
(field, constructor, method). Right now I'm using the following code
public static boolean hasAccess(MethodHandles.Lookup lookup, Member member)
{
if (member instanceof Constructor) {
try {
lookup.unreflectConstructor((Constructor<?>) member);
} catch (IllegalAccessException e) {
return false;
}
} else if (member instanceof Method) {
try {
lookup.unreflect((Method) member);
} catch (IllegalAccessException e) {
return false;
}
} else if (member instanceof Field) {
try {
lookup.unreflectVarHandle((Field) member);
} catch (IllegalAccessException e) {
return false;
}
}
return true;
}
Cheers
Kasper
