import org.simpleframework.http.Request
import org.simpleframework.http.Response
import org.simpleframework.http.core.Container
import org.simpleframework.transport.connect.Connection
import org.simpleframework.transport.connect.SocketConnection

class HttpContainer implements Container {

	Connection connection

	def setup(){
		connection = new SocketConnection(this);
		SocketAddress address = new InetSocketAddress(13080);
		connection.connect(address);
		this
	}

	public void handle(Request request, Response response) {
		PrintStream body = response.getPrintStream();
		long time = System.currentTimeMillis();
		response.set("Content-Type", "text/xml;charset=utf-8");
		response.set("Server", "Apache-Coyote/1.1");
		response.setDate("Date", time);

		def text = simpleRoute(request)
		body.println(text);
		body.close();
	}

	def simpleRoute(request){
		switch(request.target){
			case "/some/url/file":
			return new File('src/test/resources/file').text

			case "/some/url/hello":
			return 'hello'

			default: throw new RuntimeException("no route found")
		}
	}

	def close(){
		connection.close()
	}
}

This is excellent for testing (mocking a SOAP server for example), we use an in memory http server in order to answer client requests.

Starting an in memory http server with custom routes

http, server, simple

Groovy