RFR: 8245095: Implementation of JEP 408: Simple Web Server

Andrey Turbanov github.com+741251+turbanoff at openjdk.java.net
Tue Sep 14 13:23:14 UTC 2021

On Tue, 14 Sep 2021 08:52:37 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.

src/jdk.httpserver/share/classes/com/sun/net/httpserver/Headers.java line 106:

> 104:         var h = headers.entrySet().stream()
> 105:                 .collect(Collectors.toUnmodifiableMap(
> 106:                         Entry::getKey, e -> new LinkedList<>(e.getValue())));

I wonder, what the reason of  `LinkedList` usages here?
As I know ArrayList is faster in all real-world scenarios.


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

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