RFR: 8350279: HttpClient: Add a new HttpResponse method to identify connections [v3]

[Michael McMahon]

On Mon, 24 Mar 2025 10:23:41 GMT, Volkan Yazici <vyazici at openjdk.org> wrote:

>> Adds `HttpResponse::connectionLabel` method that provides an identifier for the connection.
>> 
>> **Implementation note:** The feature is facilitated by `HttpConnection::label`, which should not be confused with `HttpConnection::id`. This distinction is explained in the JavaDoc of both properties.
>
> Volkan Yazici has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Add import for `java.net.http.HttpClient.Version` in `HttpResponseConnectionLabelTest`
>  - Fix indentation

src/java.net.http/share/classes/java/net/http/HttpResponse.java line 108:

> 106:      * The format of the string is opaque, but the content should be unique
> 107:      * for the lifetime of the {@link HttpClient} instance.
> 108:      *

How about changing the wording to something like:

The format of the string is opaque, but the value will be fixed and unique for any connection, for the lifetime of its {@link HttpClient instance.

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PR Review Comment: https://git.openjdk.org/jdk/pull/24154#discussion_r2012290317