RFR: 8210469: Missing doPriviledged block and permission for jdk.zipfs module

Alan Bateman Alan.Bateman at oracle.com
Fri Jan 25 08:55:04 UTC 2019

On 25/01/2019 00:11, Lance Andersen wrote:
>> On Jan 24, 2019, at 6:20 PM, Mandy Chung <mandy.chung at oracle.com> wrote:
>> On 1/24/19 1:55 PM, Lance Andersen wrote:
>>>> Alternatively you can simply do:
>>>>              PrivilegedExceptionAction<Path> pea = () -> tempPath.toRealPath();
>>>>              return AccessController.doPrivileged(pea);
>>>> In this case, limited doPrivileged does not make whole lot of difference jdk.zip explicitly grants for limited permissions and this doPrivileged block is one single operation, toRealPath.
>>> Do you have a preference here either way?  I had that originally but changed it  to make it clearer why it was done.
>> For this simple case, I would avoid using limited doPrivileged.
> Okie Dokie, I made the change and also ran optimize imports on the test:  http://cr.openjdk.java.net/~lancea/8210469/webrev.01/index.html
Here's an alternative that avoids the cast, it might be a bit more readable.

PrivilegedExceptionAction<Path> action = tempPath::toRealPath;
zfpath = AccessController.doPrivileged(action);

In the test then you it might be clearer to rename ZIPFS_MAP to 


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