WebServer Introduction

WebServer Introduction: WebServer provides an asynchonous and reactive API for creating web applications. The API is inspired by popular NodeJS and Java frameworks.

Quick Start

Here is the code for a minimalist web application that runs on a random free port:

public static void main(String[] args) throws Exception {
    WebServer webServer = WebServer
            .create(Routing.builder()
                    .any((req, res) -> res.send("It works!")) 
                    .build())
            .start() 
            .toCompletableFuture()
            .get(10, TimeUnit.SECONDS); 

    System.out.println("Server started at: http://localhost:" + webServer.port()); 
}

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For any kind of request, at any path, respond with It works!.
Start the server.
Wait for the server to start while throwing possible errors as exceptions.
The server is bound to a random free port.

Maven Coordinates

The Managing Dependencies page describes how you should declare dependency management for Helidon applications. Then declare the following dependency in your project:

<dependency>
    <groupId>io.helidon.webserver</groupId>
    <artifactId>helidon-webserver</artifactId> 
</dependency>

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Dependency on WebServer.