RFR: 8048199: Replace anonymous inner classes with lambdas, where applicable, in JNDI [v2]

[Conor Cleary]

On Fri, 9 Apr 2021 16:30:05 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

>> 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.

I have stuck with the lambda conversion solution in the [current changes](https://github.com/openjdk/jdk/pull/3416/commits/1746840eaa9a8de34d89d73d993e2f86aa0d0ed3), however WRT to Alan's previous feedback on creating a PrivilegedAction explicitly as it makes everything a bit more readable.

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