001/* 002 * (C) Copyright 2011 Nuxeo SAS (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * tdelprat, jcarsique 016 * 017 */ 018 019package org.nuxeo.wizard; 020 021import java.io.IOException; 022 023import javax.servlet.Filter; 024import javax.servlet.FilterChain; 025import javax.servlet.FilterConfig; 026import javax.servlet.ServletException; 027import javax.servlet.ServletRequest; 028import javax.servlet.ServletResponse; 029import javax.servlet.http.HttpServletRequest; 030 031/** 032 * Filter that let the default servlet handle the resources and forward processing calls to the servlet 033 * 034 * @author Tiry (tdelprat@nuxeo.com) 035 * @since 5.4.2 036 */ 037public class ResourceFilter implements Filter { 038 039 protected String[] resourcesPrefix = { "/css/", "/images/", "/scripts/", "/jsp/" }; 040 041 protected boolean isResourceCall(String uri) { 042 for (String prefix : resourcesPrefix) { 043 if (uri.startsWith(prefix)) { 044 return true; 045 } 046 } 047 return false; 048 } 049 050 @Override 051 public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, 052 ServletException { 053 054 HttpServletRequest httpRequest = (HttpServletRequest) request; 055 056 String uri = httpRequest.getRequestURI(); 057 uri = uri.replaceFirst(httpRequest.getContextPath(), ""); 058 059 if (!isResourceCall(uri)) { 060 request.getRequestDispatcher("/router" + uri).forward(request, response); 061 } else { 062 chain.doFilter(httpRequest, response); 063 } 064 } 065 066 @Override 067 public void init(FilterConfig filterConfig) throws ServletException { 068 } 069 070 @Override 071 public void destroy() { 072 } 073 074}