Minimal web server dumping request body to stdout

dump-server.groovy

import com.sun.net.httpserver.HttpExchange
import com.sun.net.httpserver.HttpHandler
import com.sun.net.httpserver.HttpServer
import groovy.json.JsonOutput

class TowerMockServer implements HttpHandler {

    private int count

    @Override
    void handle(HttpExchange exchange) throws IOException {
        final text = exchange.requestBody.text
        final json = JsonOutput.prettyPrint(text)
        println "== request ${++count} === \n${json}\n"

        String response = '{"status":"OK", "workflowId": "12345"}'
        exchange.sendResponseHeaders(200, response.getBytes().length)
        OutputStream os = exchange.getResponseBody();
        os.write(response.getBytes());
        os.close();
    }

    static void main(String...args) {
        def server = HttpServer.create(new InetSocketAddress(8500), 0);
        def context = server.createContext("/");
        context.setHandler( new TowerMockServer() );
        server.start();
    }
}