| commit | author | age | ||
| c3b1d1 | 1 | /* |
| U | 2 | mini-server - Ein minimalistischer HTTP-Server |
| 3 | Copyright (C) 2021 Ulrich Hilger | |
| 4 | ||
| 5 | This program is free software: you can redistribute it and/or modify | |
| 6 | it under the terms of the GNU Affero General Public License as | |
| 7 | published by the Free Software Foundation, either version 3 of the | |
| 8 | License, or (at your option) any later version. | |
| 9 | ||
| 10 | This program is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | GNU Affero General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU Affero General Public License | |
| 16 | along with this program. If not, see <https://www.gnu.org/licenses/>. | |
| 17 | */ | |
| 18 | package de.uhilger.mediaz.handler; | |
| 19 | ||
| 20 | import com.sun.net.httpserver.HttpExchange; | |
| 21 | import com.sun.net.httpserver.HttpHandler; | |
| 22 | import de.uhilger.mediaz.App; | |
| 23 | import java.io.IOException; | |
| 24 | import java.io.OutputStream; | |
| 25 | import java.util.Timer; | |
| 26 | import java.util.TimerTask; | |
| 27 | import java.util.logging.Logger; | |
| 28 | ||
| 29 | /** | |
| 30 | * Ein HTTP-Handler zum Stoppen der Anwendung | |
| 31 | * | |
| 32 | * @author Ulrich Hilger | |
| 33 | */ | |
| 34 | public class StopServerHandler implements HttpHandler { | |
| 35 | ||
| 36 | /** | |
| 37 | * Den Server geordnet herunterfahren und | |
| 38 | * dann die Anwendung beenden. | |
| 39 | * | |
| 40 | * @param e das Objekt mit Methoden zur Untersuchung der Anfrage sowie zum | |
| 41 | * Anfertigen und Senden der Antwort | |
| 42 | * @throws IOException falls etwas schief geht entsteht dieser Fehler | |
| 43 | */ | |
| 44 | @Override | |
| 45 | public void handle(HttpExchange e) throws IOException { | |
| 46 | Logger.getLogger(StopServerHandler.class.getName()).info(e.getRequestURI().toString()); | |
| 47 | String response = "Server stopped"; | |
| 48 | e.sendResponseHeaders(200, response.length()); | |
| 49 | OutputStream os = e.getResponseBody(); | |
| 50 | os.write(response.getBytes()); | |
| 51 | os.flush(); | |
| 52 | os.close(); | |
| 53 | Logger.getLogger(StopServerHandler.class.getName()).info("stopping server."); | |
| 54 | e.getHttpContext().getServer().stop(1); | |
| 55 | Timer timer = new Timer(); | |
| 56 | timer.schedule(new AppStopper(), 2000); | |
| 57 | } | |
| 58 | ||
| 59 | /** | |
| 60 | * Die Klasse AppStopper ermöglicht das asnychrone bzw. | |
| 61 | * zeitgesteuerte Stoppen der Anwendung. | |
| 62 | */ | |
| 63 | class AppStopper extends TimerTask { | |
| 64 | ||
| 65 | @Override | |
| 66 | public void run() { | |
| 67 | Logger.getLogger(StopServerHandler.class.getName()).info("Mini-Server beendet."); | |
| 68 | App.stop(); | |
| 69 | } | |
| 70 | } | |
| 71 | ||
| 72 | } | |
