| commit | author | age | ||
| f4a79c | 1 | /* |
| 51c9e3 | 2 | * Nutzerverwaltung - User and role management in your browser |
| U | 3 | * Copyright (C) 2011-2016 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 General Public License as published by | |
| 7 | * the Free Software Foundation, either version 3 of the License, or | |
| 8 | * (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 General Public License for more details. | |
| 14 | * | |
| 15 | * You should have received a copy of the GNU General Public License | |
| 16 | * along with this program. If not, see http://www.gnu.org/licenses/ | |
| f4a79c | 17 | */ |
| 51c9e3 | 18 | |
| f4a79c | 19 | package de.uhilger.um.web; |
| U | 20 | |
| 21 | import java.io.IOException; | |
| 22 | import javax.servlet.Filter; | |
| 23 | import javax.servlet.FilterChain; | |
| 24 | import javax.servlet.FilterConfig; | |
| 25 | import javax.servlet.ServletException; | |
| 26 | import javax.servlet.ServletRequest; | |
| 27 | import javax.servlet.ServletResponse; | |
| 28 | import javax.servlet.http.HttpServletRequest; | |
| 29 | ||
| 30 | /** | |
| 61cf48 | 31 | * Filter zum Verkuerzen von URLs |
| f4a79c | 32 | * |
| 61cf48 | 33 | * @author Copyright (c) Ulrich Hilger, http://uhilger.de |
| U | 34 | * @author Published under the terms and conditions of the |
| 35 | * <a href="http://www.gnu.org/licenses/agpl-3.0" target="_blank">GNU Affero | |
| 36 | * General Public License</a> | |
| 37 | * | |
| 38 | * @version 2, February 1, 2017 | |
| f4a79c | 39 | */ |
| U | 40 | public class NiceFilter implements Filter { |
| a89f86 | 41 | |
| U | 42 | private static final String ZIEL = "../api?c=de.uhilger.um.api.UserMgr&m="; |
| f4a79c | 43 | |
| U | 44 | @Override |
| 45 | public void init(FilterConfig filterConfig) throws ServletException { | |
| 46 | // ... | |
| 47 | } | |
| 48 | ||
| a89f86 | 49 | /* |
| U | 50 | hier wird ein URL wie z.B. |
| 725d10 | 51 | http]://example.com/um/svc/testmethode |
| a89f86 | 52 | umgesetzt auf |
| 51c9e3 | 53 | http]://example.com/um/api?c=de.uhilger.um.api.UserMgr&m=testmethode |
| a89f86 | 54 | |
| U | 55 | der Teil 'svc' ist im Filter Mapping des Deployment Descriptor |
| 725d10 | 56 | deklariert. Der Teil 'api' zeigt mit Hilfe eines Servlet |
| U | 57 | Mappings im Deployment Descriptor auf das Transit-Servlet. |
| a89f86 | 58 | |
| U | 59 | der statische Teil des Ziel-URL ist hier hart kodiert, das kann man |
| 725d10 | 60 | freilich je nach Bedarf noch dynamisch gestalten |
| a89f86 | 61 | */ |
| 725d10 | 62 | |
| f4a79c | 63 | @Override |
| U | 64 | public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { |
| 65 | if(request instanceof HttpServletRequest) { | |
| 66 | HttpServletRequest hr = (HttpServletRequest) request; | |
| 67 | String servletPath = hr.getServletPath(); | |
| 68 | String[] path = servletPath.split("/"); | |
| a89f86 | 69 | request.getRequestDispatcher(ZIEL + path[2]).forward(request, response); |
| f4a79c | 70 | } |
| U | 71 | } |
| 72 | ||
| 73 | @Override | |
| 74 | public void destroy() { | |
| 75 | // ... | |
| 76 | } | |
| 77 | ||
| 78 | } | |
