001/* 002 * (C) Copyright 2013 Nuxeo SA (http://nuxeo.com/) and others. 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-2.1.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 * Thomas Roger 016 */ 017 018package org.nuxeo.dam.filter; 019 020import java.io.IOException; 021 022import javax.servlet.Filter; 023import javax.servlet.FilterChain; 024import javax.servlet.FilterConfig; 025import javax.servlet.ServletException; 026import javax.servlet.ServletRequest; 027import javax.servlet.ServletResponse; 028import javax.servlet.http.HttpServletRequest; 029 030/** 031 * Filter to redirect "/dam/icons/*" resources to "/icons/" for backward compatibility. 032 * 033 * @since 5.7 034 */ 035public class DamOldResourcesFilter implements Filter { 036 037 @Override 038 public void init(FilterConfig filterConfig) throws ServletException { 039 } 040 041 @Override 042 public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, 043 ServletException { 044 if (request instanceof HttpServletRequest) { 045 HttpServletRequest httpServletRequest = (HttpServletRequest) request; 046 String contextPath = httpServletRequest.getContextPath(); 047 String requestURI = httpServletRequest.getRequestURI(); 048 requestURI = requestURI.replaceFirst(contextPath, ""); 049 requestURI = requestURI.replace("/dam/icons", "/icons"); 050 httpServletRequest.getRequestDispatcher(requestURI).forward(request, response); 051 } 052 } 053 054 @Override 055 public void destroy() { 056 } 057}