| commit | author | age | ||
| 7bcebf | 1 | /* |
| U | 2 | WebBox - Dein Server. |
| 3 | Copyright (C) 2017 Ulrich Hilger, http://uhilger.de | |
| 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 <http://www.gnu.org/licenses/>. | |
| 17 | */ | |
| 18 | package de.uhilger.wbx.web; | |
| 19 | ||
| 20 | import java.io.IOException; | |
| 21 | import javax.servlet.ServletException; | |
| 22 | import javax.servlet.http.HttpServletRequest; | |
| 23 | import javax.servlet.http.HttpServletResponse; | |
| 24 | import org.apache.catalina.servlets.DefaultServlet; | |
| 25 | ||
| 26 | /** | |
| 27 | * Mit dem TNServlet kann für eine Bilddatei eine | |
| 28 | * Miniaturansicht erzeugt werden, wie sie im Dateimanager | |
| 29 | * der WebBox verwendet wird. | |
| 30 | * | |
| 31 | */ | |
| 32 | public class TNServlet extends DefaultServlet { | |
| 33 | ||
| 34 | /** | |
| 35 | * Diese String-Konstanten noetigenfalls in eine | |
| 36 | * Konfigurationsdatei auslagern | |
| 37 | */ | |
| 38 | public static final String TN = "_tn"; | |
| 39 | public static final String JPG = ".jpg"; | |
| 40 | public static final String JPEG = ".jpeg"; | |
| 41 | public static final String PNG = ".png"; | |
| 42 | ||
| 43 | /** | |
| 44 | * Handles the HTTP <code>GET</code> method. | |
| 45 | * | |
| 46 | * @param request servlet request | |
| 47 | * @param response servlet response | |
| 48 | * @throws ServletException if a servlet-specific error occurs | |
| 49 | * @throws IOException if an I/O error occurs | |
| 50 | */ | |
| 51 | @Override | |
| 52 | protected void doGet(HttpServletRequest request, HttpServletResponse response) | |
| 53 | throws ServletException, IOException { | |
| 54 | ||
| 55 | String urlStr = request.getRequestURI(); | |
| 56 | if(urlStr.contains(TN) && (urlStr.endsWith(JPG) || urlStr.endsWith(JPEG) || urlStr.endsWith(PNG))) { | |
| 57 | /* | |
| 58 | TODO: hier mit Hilfe der Klasse Bild eine Miniaturansicht erzeugen | |
| 59 | und in die Antwort schreiben | |
| 60 | */ | |
| 61 | } else { | |
| 62 | super.doGet(request, response); | |
| 63 | } | |
| 64 | ||
| 65 | ||
| 66 | } | |
| 67 | ||
| 68 | } | |
