| commit | author | age | ||
| aed034 | 1 | /* |
| U | 2 | neon-fm - Dateiverwaltung fuer neon |
| 3 | Copyright (C) 2024 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.neon.fm; | |
| 19 | ||
| 20 | import com.google.gson.Gson; | |
| 21 | import com.sun.net.httpserver.HttpExchange; | |
| 22 | import de.uhilger.neon.FileServer; | |
| 23 | import de.uhilger.neon.HttpHelper; | |
| 24 | import de.uhilger.neon.HttpResponder; | |
| 25 | import de.uhilger.fm.Writer; | |
| 26 | import java.io.File; | |
| 27 | import java.io.IOException; | |
| 28 | import java.util.logging.Level; | |
| 29 | import java.util.logging.Logger; | |
| 30 | ||
| 31 | /** | |
| 32 | * Abstrakte Basisklasse mit gemeinsamen Methoden fuer Dateioperationen | |
| 33 | * | |
| 34 | * @author Ulrich Hilger | |
| 35 | * @version 0.1, 07.11.2024 | |
| 36 | */ | |
| 37 | public abstract class AbstractFileActor { | |
| 38 | ||
| 39 | protected File file; | |
| 40 | protected String fileName; | |
| 41 | protected HttpHelper h; | |
| 42 | protected String base; | |
| 43 | ||
| 44 | public void run(HttpExchange exchange) { | |
| 45 | base = exchange.getHttpContext().getAttributes().get(FileServer.ATTR_FILE_BASE).toString(); | |
| 46 | h = new HttpHelper(); | |
| 47 | fileName = h.getFileName(exchange); | |
| 48 | file = new File(base, fileName); | |
| 49 | } | |
| 50 | ||
| 51 | protected String[] dateiliste(HttpExchange exchange) throws IOException { | |
| 52 | String body = h.bodyLesen(exchange); | |
| 53 | //logger.fine("dateien: " + body); | |
| 54 | Gson gson = new Gson(); | |
| 55 | return gson.fromJson(body, String[].class); | |
| 56 | } | |
| 57 | ||
| 58 | protected void speichern(HttpExchange e) throws IOException { | |
| 59 | String body = h.bodyLesen(e); | |
| 60 | if (new Writer().speichern(file, body) == 0) { | |
| 61 | antwort(e, HttpResponder.SC_OK, file.getAbsolutePath()); | |
| 62 | } else { | |
| 63 | antwort(e, HttpResponder.SC_INTERNAL_SERVER_ERROR, "speichern fehlgeschlagen"); | |
| 64 | } | |
| 65 | } | |
| 66 | ||
| 67 | protected void fehlerAntwort(HttpExchange exchange, Exception ex) { | |
| 68 | try { | |
| 69 | Logger.getLogger(AbstractFileActor.class.getName()).log(Level.SEVERE, ex.getMessage(), ex); | |
| 70 | antwort(exchange, HttpResponder.SC_NOT_FOUND, ex.getMessage()); | |
| 71 | } catch (IOException ex1) { | |
| 72 | Logger.getLogger(AbstractFileActor.class.getName()).log(Level.SEVERE, ex.getMessage(), ex1); | |
| 73 | } | |
| 74 | } | |
| 75 | ||
| 76 | protected void antwort(HttpExchange exchange, int code, String text) throws IOException { | |
| 77 | new HttpResponder().antwortSenden(exchange, code, text); | |
| 78 | } | |
| 79 | ||
| 80 | protected void free() { | |
| 81 | file = null; | |
| 82 | fileName = null; | |
| 83 | h = null; | |
| 84 | base = null; | |
| 85 | } | |
| 86 | } | |
