RFR: 8245095: Implementation of JEP 408: Simple Web Server [v5]

[Daniel Fuchs]

On Tue, 21 Sep 2021 14:09:54 GMT, Julia Boes <jboes at openjdk.org> wrote:

>> This change implements a simple web server that can be run on the command-line with `java -m jdk.httpserver`.
>> 
>> This is facilitated by adding an entry point for the `jdk.httpserver` module, an implementation class whose main method is run when the above command is executed. This is the first such module entry point in the JDK.
>> 
>> The server is a minimal HTTP server that serves the static files of a given directory, similar to existing alternatives on other platforms and convenient for testing, development, and debugging.
>> 
>> Additionally, a small API is introduced for programmatic creation and customization.
>> 
>> Testing: tier1-3.
>
> Julia Boes has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 16 commits:
> 
>  - Merge branch 'master' into simpleserver
>  - Merge remote-tracking branch 'origin/simpleserver' into simpleserver
>  - Merge branch 'master' into simpleserver
>  - refactor isHidden,isReadable,isSymlink checks and cleanup tests
>  - Merge branch 'master' into simpleserver
>  - check isHidden, isSymlink, isReadable for all path segments 
>  - add checks for all path segments
>  - Merge branch 'master' into componentcheck
>  - Merge branch 'master' into simpleserver
>  - improve output on startup
>  - ... and 6 more: https://git.openjdk.java.net/jdk/compare/6d91a3eb...fe059131

src/jdk.httpserver/share/classes/sun/net/httpserver/simpleserver/FileServerHandler.java line 314:

> 312:                 + "<ul>\n");
> 313:         try (var paths = Files.list(path)) {
> 314:             paths.filter(p -> !isHiddenOrSymLink(p))

Shouldn't we filter paths that are not readable here too? There's no point in printing a link that will result in 404, is there?

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PR: https://git.openjdk.java.net/jdk/pull/5505