/*- * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package org.apache.sling.dynamicinclude; import java.io.IOException; import javax.servlet.Filter; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.RequestDispatcher; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import org.apache.commons.lang.StringUtils; import org.apache.felix.scr.annotations.Component; import org.apache.felix.scr.annotations.Properties; import org.apache.felix.scr.annotations.Property; import org.apache.felix.scr.annotations.Reference; import org.apache.felix.scr.annotations.Service; import org.apache.sling.api.SlingHttpServletRequest; import org.apache.sling.api.request.RequestDispatcherOptions; import org.apache.sling.api.resource.ResourceUtil; import org.apache.sling.engine.EngineConstants; import org.osgi.framework.Constants; @Component(metatype = true, label = "Apache Sling Dynamic Include - Synthetic Resource Filter") @Service @Properties({ @Property(name = Constants.SERVICE_VENDOR, value = "The Apache Software Foundation"), @Property(name = EngineConstants.SLING_FILTER_SCOPE, value = EngineConstants.FILTER_SCOPE_REQUEST, propertyPrivate = true), @Property(name = Constants.SERVICE_RANKING, intValue = Integer.MIN_VALUE, propertyPrivate = false), }) public class SyntheticResourceFilter implements Filter { @Reference private ConfigurationWhiteboard configurationWhiteboard; @Override public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { final SlingHttpServletRequest slingRequest = (SlingHttpServletRequest) request; final String resourceType = getResourceTypeFromSuffix(slingRequest); final Configuration config = configurationWhiteboard.getConfiguration(slingRequest, resourceType); if (config == null || !config.hasIncludeSelector(slingRequest) || !ResourceUtil.isSyntheticResource(slingRequest.getResource())) { chain.doFilter(request, response); return; } final RequestDispatcherOptions options = new RequestDispatcherOptions(); options.setForceResourceType(resourceType); final RequestDispatcher dispatcher = slingRequest.getRequestDispatcher(slingRequest.getResource(), options); dispatcher.forward(request, response); } private static String getResourceTypeFromSuffix(SlingHttpServletRequest request) { final String suffix = request.getRequestPathInfo().getSuffix(); return StringUtils.removeStart(suffix, "/"); } @Override public void init(FilterConfig filterConfig) throws ServletException { } @Override public void destroy() { } }