diff --git a/source/java/org/alfresco/web/scripts/servlet/StaticAssetCacheFilter.java b/source/java/org/alfresco/web/scripts/servlet/StaticAssetCacheFilter.java deleted file mode 100644 index 0a77cdfcea..0000000000 --- a/source/java/org/alfresco/web/scripts/servlet/StaticAssetCacheFilter.java +++ /dev/null @@ -1,79 +0,0 @@ -/* - * Copyright (C) 2005-2010 Alfresco Software Limited. - * - * This file is part of Alfresco - * - * Alfresco is free software: you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * Alfresco is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with Alfresco. If not, see . - */ -package org.alfresco.web.scripts.servlet; - -import java.io.IOException; - -import javax.servlet.Filter; -import javax.servlet.FilterChain; -import javax.servlet.FilterConfig; -import javax.servlet.ServletException; -import javax.servlet.ServletRequest; -import javax.servlet.ServletResponse; -import javax.servlet.http.HttpServletResponse; - -/** - * Simple servlet filter to add a 'Cache-Control' HTTP header to a response. - * The Cache-Control header is set to a max-age value by a configurable setting - * in the 'expires' init parameters - values are in days. - * - * WebScripts or other servlets that happen to match the response type - * configured for the filter (e.g. "*.js") should override cache settings - * as required. - * - * @author Kevin Roast - */ -public class StaticAssetCacheFilter implements Filter -{ - private static final long DAY_S = 60L*60L*24L; // 1 day in seconds - private static final long DEFAULT_30DAYS = 30L; // default of 30 days if not configured - - private long expire = DAY_S * DEFAULT_30DAYS; // initially set to default value of 30 days - - - /* (non-Javadoc) - * @see javax.servlet.Filter#init(javax.servlet.FilterConfig) - */ - public void init(FilterConfig config) throws ServletException - { - String expireParam = config.getInitParameter("expires"); - if (expireParam != null) - { - this.expire = Long.parseLong(expireParam) * DAY_S; - } - } - - /* (non-Javadoc) - * @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain) - */ - public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, - ServletException - { - ((HttpServletResponse)res).setHeader("Cache-Control", "must-revalidate, max-age=" + Long.toString(this.expire)); - chain.doFilter(req, res); - } - - /* (non-Javadoc) - * @see javax.servlet.Filter#destroy() - */ - public void destroy() - { - this.expire = DAY_S * DEFAULT_30DAYS; - } -} \ No newline at end of file