RFR: 8048199: Replace anonymous inner classes with lambdas, where applicable, in JNDI

[Roger Riggs]

On Fri, 9 Apr 2021 15:47:35 GMT, Conor Cleary <ccleary at openjdk.org> wrote:

>> src/java.naming/share/classes/com/sun/jndi/ldap/LdapPoolManager.java line 413:
>> 
>>> 411:         return AccessController.doPrivileged(
>>> 412:                 (PrivilegedAction<Long>) () -> Long.getLong(propName, defVal).longValue()
>>> 413:         );
>> 
>> And GetIntegerAction here. Though it only supports an int value.
>
> Thanks for the suggestion Roger, I think the `privilegedGetProperty(prop, default)` for the `getProperty()` method looks great. 
> 
> WRT to using it for `getInt()` and `getLong()`, I think its reasonable to use other means for these methods in the interest of consistency due to, as you pointed out, only `int` being supported. Would you think? Or would it be better to use the same means in all 3 methods?

Its a slippery slope that might require a bit more investigation to check the expected value sizes to see if a change to the number of bits in the value for each property might break something.  Technical debt can take you down a rabbit hole. Quickest to just convert to the lamba as you proposed.

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PR: https://git.openjdk.java.net/jdk/pull/3416