On Mon, 25 Oct 2021 17:58:15 GMT, Weijun Wang <[email protected]> wrote:
>> src/java.base/share/classes/javax/security/auth/Subject.java line 325:
>>
>>> 323:
>>> 324: // Store the current subject to a ThreadLocal when a system
>>> property is set.
>>> 325: private static final boolean USE_TL = "true".equalsIgnoreCase(
>>
>> Can you use GetBooleanAction.privilegedGetProperty instead?
>
> Sure, I can. I was testing the default value to "false" at some time and
> found `"true".equals` and `!"false".equals` symmetric and good-looking. :-)
It probably doesn’t matter to have the Logic centralized, just looked a bit
hardcoded (who knows if yes/no/1/0 is wanted as well ,).
>> src/java.base/share/classes/javax/security/auth/Subject.java line 349:
>>
>>> 347: * the one of its parent thread, and will not change even if
>>> 348: * its parent thread's current subject is changed to another value.
>>> 349: *
>>
>> Should it say something about installing or unsettling the subject in a
>> nested execution (if it can be restricted)?
>
> I said "After {@code action} is finished, the current subject is reset to its
> previous value". Is that what you meant?
My question was more along the line of Post-Security-manager. Will you always
be able to call Subject.doAs - especially with null? And if this can already be
speced if it might be rejected or not… (the „after finished“ is well documented)
>> src/java.base/share/classes/javax/security/auth/Subject.java line 475:
>>
>>> 473: * call {@link #callAs} to perform the same work, which is
>>> based on
>>> 474: * {@link #doAs(Subject, PrivilegedExceptionAction)}
>>> 475: * by default in this implementation.
>>
>> Should it also mention that unless you define the TL system property it will
>> still affect the new current() call? (Just to introduce the concept by
>> repetition).
>
> I just don't want to touch existing spec. Even for `doAs`, I only said
> "callAs is based on doAs by default" and didn't went out explaining what is
> NOT by default. Is that OK?
Yes good reason not to change it.
-------------
PR: https://git.openjdk.java.net/jdk/pull/5024
