[gatein-commits] gatein SVN: r4107 - portal/branches/branch-r4047/component/web/api/src/main/java/org/exoplatform/web/filter.

Author: hoang_to Date: 2010-09-08 22:43:36 -0400 (Wed, 08 Sep 2010) New Revision: 4107 Added: portal/branches/branch-r4047/component/web/api/src/main/java/org/exoplatform/web/filter/ResourceOverridingFilter.java Log: GTNPORTAL-1397: Have the ability to modify the Favicon without changing the portal.war Added: portal/branches/branch-r4047/component/web/api/src/main/java/org/exoplatform/web/filter/ResourceOverridingFilter.java =================================================================== --- portal/branches/branch-r4047/component/web/api/src/main/java/org/exoplatform/web/filter/ResourceOverridingFilter.java (rev 0) +++ portal/branches/branch-r4047/component/web/api/src/main/java/org/exoplatform/web/filter/ResourceOverridingFilter.java 2010-09-09 02:43:36 UTC (rev 4107) @@ -0,0 +1,59 @@ +/* + * Copyright (C) 2003-2010 eXo Platform SAS. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Affero General Public License + * as published by the Free Software Foundation; either version 3 + * of the License, or (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see<http://www.gnu.org/licenses/>;. + */ +package org.exoplatform.web.filter; + +import java.io.IOException; + +import javax.servlet.FilterChain; +import javax.servlet.ServletContext; +import javax.servlet.ServletException; +import javax.servlet.ServletRequest; +import javax.servlet.ServletResponse; +import javax.servlet.http.HttpServletRequest; + +import org.exoplatform.container.PortalContainer; + +/** + * A filter enables resource overriding via extension mechanism. + * + * @author <a href="mailto:hoang281283@gmail.com">Minh Hoang TO</a> + * Sep 8, 2010 + */ + +public class ResourceOverridingFilter implements Filter { + + @Override + public void doFilter(ServletRequest request, ServletResponse response, + FilterChain chain) throws IOException, ServletException { + + HttpServletRequest upcastedRequest = (HttpServletRequest)request; + + PortalContainer portalContainer = PortalContainer.getInstance(); + ServletContext mergedContext = portalContainer.getPortalContext(); + + String path = upcastedRequest.getRequestURI(); + String ctx = upcastedRequest.getContextPath(); + + if(ctx != null && ctx.length() > 0 && path.startsWith(ctx)) + { + path = path.substring(ctx.length()); + } + + mergedContext.getRequestDispatcher(path).include(request, response); + } + +}