| commit | author | age | ||
| 7342b1 | 1 | /* |
| U | 2 | Dateiverwaltung - File management in your browser |
| 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 | ||
| 19 | package de.uhilger.filecms.web; | |
| 20 | ||
| fab80c | 21 | import de.uhilger.wbx.WbxUtils; |
| 7342b1 | 22 | import java.io.File; |
| U | 23 | import java.util.logging.Logger; |
| 24 | import javax.servlet.ServletContext; | |
| 25 | import javax.servlet.ServletContextEvent; | |
| 26 | import javax.servlet.ServletContextListener; | |
| 27 | ||
| 28 | /** | |
| 2b3e7e | 29 | * Initialisieren der Dateiverwaltung |
| 7342b1 | 30 | */ |
| U | 31 | public class Initialiser implements ServletContextListener { |
| 32 | ||
| 33 | private static final Logger logger = Logger.getLogger(Initialiser.class.getName()); | |
| 34 | ||
| 35 | ||
| 36 | public static final String FILE_BASE = "filebase"; | |
| 2b3e7e | 37 | public static final String DATENABLAGE = "datenAblage"; |
| 7342b1 | 38 | |
| U | 39 | /* ----- ServletContextListener Implementation ----- */ |
| 40 | ||
| 41 | @Override | |
| 42 | public void contextInitialized(ServletContextEvent sce) { | |
| 43 | // hier kann etwas initialisiert werden | |
| 44 | ServletContext ctx = sce.getServletContext(); | |
| 2b3e7e | 45 | ablageErmitteln(ctx); |
| U | 46 | } |
| 47 | ||
| 48 | /** | |
| 49 | * Die Dateiablage wird entweder auf einen absoluten Pfad gesetzt, | |
| 50 | * der im Deployment Descriptor hinterlegt werden kann oder, wenn | |
| 51 | * dort nichts eingetragen ist, auf den hart kodierten Pfad | |
| 52 | * der WebBox. | |
| 53 | * | |
| 54 | * @param ctx der ServletContext, in den die Angabe eingetragen wird. Dort | |
| 55 | * ist anschliessend die Angabe unter Initialiser.FILE_BASE abrufbar | |
| 56 | */ | |
| 57 | private void ablageErmitteln(ServletContext ctx) { | |
| 58 | Object o = ctx.getInitParameter(DATENABLAGE); | |
| 59 | try { | |
| 60 | if(o instanceof String) { | |
| 61 | String pfad = o.toString(); | |
| 62 | if(pfad.trim().length() > 0) { | |
| 63 | ctx.setAttribute(FILE_BASE, pfad); | |
| 64 | logger.fine("Basis: " + pfad); | |
| 65 | } else { | |
| fab80c | 66 | ctx.setAttribute(FILE_BASE, WbxUtils.getWbxDataDir(ctx).getAbsolutePath()); |
| 2b3e7e | 67 | } |
| U | 68 | } else { |
| fab80c | 69 | ctx.setAttribute(FILE_BASE, WbxUtils.getWbxDataDir(ctx).getAbsolutePath()); |
| 2b3e7e | 70 | } |
| U | 71 | } catch(Exception ex) { |
| fab80c | 72 | ctx.setAttribute(FILE_BASE, WbxUtils.getWbxDataDir(ctx).getAbsolutePath()); |
| 2b3e7e | 73 | } |
| U | 74 | } |
| 75 | ||
| 7342b1 | 76 | @Override |
| U | 77 | public void contextDestroyed(ServletContextEvent sce) { |
| 78 | // hier wird alles wieder aufgeraeumt | |
| 79 | ServletContext ctx = sce.getServletContext(); | |
| 80 | ctx.removeAttribute(FILE_BASE); | |
| 81 | } | |
| 82 | ||
| 83 | } | |
