Webhook tester

webhook.java

import com.sun.net.httpserver.HttpServer;

import java.io.OutputStream;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.nio.charset.StandardCharsets;
import java.time.LocalDateTime;

public class Webhook {

    public static final int PORT = 8000;

    public static void main(String[] args) throws Exception {
        HttpServer server = HttpServer.create(new InetSocketAddress(PORT), 0);

        System.out.printf("Server listening on http://%s:%d\n", InetAddress.getLocalHost().getHostAddress(), PORT);

        server.createContext("/", exchange -> {
            System.out.printf("---Req: %s---\n", LocalDateTime.now());
            System.out.println(exchange.getRequestMethod() + " " + exchange.getRequestURI());
            exchange.getRequestHeaders().forEach((key, value) -> System.out.println(key + ": " + value));

            String body = new String(exchange.getRequestBody().readAllBytes(), StandardCharsets.UTF_8);
            if (!body.isBlank()) {
                System.out.println("---body---");
                System.out.println(body);
            }
            System.out.println("---end---");

            String response = "OK";
            exchange.sendResponseHeaders(200, response.length());
            OutputStream os = exchange.getResponseBody();
            os.write(response.getBytes());
            exchange.close();
        });

        server.start();
    }
}