RFR: 8264859: Implement Context-Specific Deserialization Filters [v4]

[Roger Riggs]

On Fri, 21 May 2021 17:47:53 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

>> JEP 415: Context-specific Deserialization Filters extends the deserialization filtering mechanisms with more flexible and customizable protections against malicious deserialization.  See JEP 415: https://openjdk.java.net/jeps/415.
>> The `java.io.ObjectInputFilter` and `java.io.ObjectInputStream` classes are extended with additional
>> configuration mechanisms and filter utilities.
>> 
>> javadoc for `ObjectInputFilter`, `ObjectInputFilter.Config`, and `ObjectInputStream`:
>>     http://cr.openjdk.java.net/~rriggs/filter-factory/java.base/java/io/ObjectInputFilter.html
>
> Roger Riggs has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Editorial updates to review comments
>   Add filter tracing support

To avoid spamming folks with individual emails, I marked as 'resolved' comments that didn't need a response other than 'ok, will fix'.  Feel free to re-open them or re-comment if you don't see the fix. 
Thanks for the comments.

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PR: https://git.openjdk.java.net/jdk/pull/3996