On Tue, 1 Apr 2025 14:50:01 GMT, Chen Liang <li...@openjdk.org> wrote:
>> It's hard for me to guess what prompted that question, but I'll take a guess 
>> - are you asking this question to decide whether we should reword the 
>> pre-existing javadoc on these constructors to explicitly state that a new 
>> decompressor/compressor instance gets created for each instance of the 
>> stream? If so, then my opinion is that we shouldn't change that part of the 
>> existing doc.
>> 
>> If you meant something else, then please add the details and we can decide 
>> if any additional changes are necessary to the text.
>
> My opinion is that: if it is possible for another implementation to share the 
> backing in/deflator (such as via thread-local instances) that does not always 
> need to be closed when an in/output stream is closed, then we should not 
> specify in a way that rules out such an implementation.

The deflater is exposed to subclasses via a protected field so it's part of the 
API. I think what Jai has is good but I'm nervous about the word "default" as 
it suggests a global default where as it's a deflater for each output stream.

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PR Review Comment: https://git.openjdk.org/jdk/pull/23655#discussion_r2023286259

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