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| | | /*
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| | | * To change this license header, choose License Headers in Project Properties.
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| | | * To change this template file, choose Tools | Templates
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| | | * and open the template in the editor.
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| | | * Nutzerverwaltung - User and role management in your browser
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| | | * Copyright (C) 2011-2016 Ulrich Hilger, http://uhilger.de
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| | | *
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| | | * This program is free software: you can redistribute it and/or modify
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| | | * it under the terms of the GNU General Public License as published by
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| | | * the Free Software Foundation, either version 3 of the License, or
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| | | * (at your option) any later version.
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| | | *
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| | | * This program is distributed in the hope that it will be useful,
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| | | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| | | * GNU General Public License for more details.
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| | | *
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| | | * You should have received a copy of the GNU General Public License
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| | | * along with this program. If not, see http://www.gnu.org/licenses/
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| | | */
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| | | package de.uhilger.um.web;
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| | | import java.io.IOException;
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| | | import javax.servlet.http.HttpServletRequest;
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| | | /**
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| | | * Filter zum Verkuerzen von URLs
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| | | *
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| | | * @author hilgeru
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| | | * @author Copyright (c) Ulrich Hilger, http://uhilger.de
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| | | * @author Published under the terms and conditions of the
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| | | * <a href="http://www.gnu.org/licenses/agpl-3.0" target="_blank">GNU Affero
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| | | * General Public License</a>
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| | | *
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| | | * @version 2, February 1, 2017
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| | | */
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| | | public class NiceFilter implements Filter {
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| | | private static final String ZIEL = "../api?c=de.uhilger.um.api.UserMgr&m=";
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| | | @Override
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| | | public void init(FilterConfig filterConfig) throws ServletException {
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| | | // ...
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| | | }
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| | |
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| | | /*
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| | | hier wird ein URL wie z.B. |
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| | | http]://example.com/um/svc/testmethode
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| | | umgesetzt auf
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| | | http]://example.com/um/api?c=de.uhilger.um.api.UserMgr&m=testmethode
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| | | |
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| | | der Teil 'svc' ist im Filter Mapping des Deployment Descriptor |
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| | | deklariert. Der Teil 'api' zeigt mit Hilfe eines Servlet |
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| | | Mappings im Deployment Descriptor auf das Transit-Servlet.
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| | | der statische Teil des Ziel-URL ist hier hart kodiert, das kann man |
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| | | freilich je nach Bedarf noch dynamisch gestalten
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| | | */
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| | | |
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| | | @Override
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| | | public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
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| | | if(request instanceof HttpServletRequest) {
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| | | HttpServletRequest hr = (HttpServletRequest) request;
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| | | String servletPath = hr.getServletPath();
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| | | String[] path = servletPath.split("/");
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| | | request.getRequestDispatcher("../api?c=de.uhilger.um.api.UserMgr&m=" + path[2]).forward(request, response);
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| | | request.getRequestDispatcher(ZIEL + path[2]).forward(request, response);
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| | | }
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| | | }
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