001/* 002 * (C) Copyright 2013 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Thomas Roger 018 */ 019 020package org.nuxeo.dam.filter; 021 022import java.io.IOException; 023 024import javax.servlet.Filter; 025import javax.servlet.FilterChain; 026import javax.servlet.FilterConfig; 027import javax.servlet.ServletException; 028import javax.servlet.ServletRequest; 029import javax.servlet.ServletResponse; 030import javax.servlet.http.HttpServletRequest; 031 032/** 033 * Filter to redirect "/dam/icons/*" resources to "/icons/" for backward compatibility. 034 * 035 * @since 5.7 036 */ 037public class DamOldResourcesFilter implements Filter { 038 039 @Override 040 public void init(FilterConfig filterConfig) throws ServletException { 041 } 042 043 @Override 044 public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, 045 ServletException { 046 if (request instanceof HttpServletRequest) { 047 HttpServletRequest httpServletRequest = (HttpServletRequest) request; 048 String contextPath = httpServletRequest.getContextPath(); 049 String requestURI = httpServletRequest.getRequestURI(); 050 requestURI = requestURI.replaceFirst(contextPath, ""); 051 requestURI = requestURI.replace("/dam/icons", "/icons"); 052 httpServletRequest.getRequestDispatcher(requestURI).forward(request, response); 053 } 054 } 055 056 @Override 057 public void destroy() { 058 } 059}