/*- * 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.lang3.StringUtils; import org.apache.sling.api.SlingHttpServletRequest; import org.apache.sling.api.request.RequestDispatcherOptions; import org.apache.sling.api.resource.Resource; import org.apache.sling.api.resource.ResourceUtil; import org.apache.sling.servlets.annotations.SlingServletFilter; import org.apache.sling.servlets.annotations.SlingServletFilterScope; import org.osgi.framework.Constants; import org.osgi.service.component.annotations.Component; import org.osgi.service.component.annotations.Reference; @SlingServletFilter(scope = SlingServletFilterScope.REQUEST) @Component(property = { Constants.SERVICE_RANKING + ":Integer=" + Integer.MIN_VALUE, Constants.SERVICE_VENDOR +"=The Apache Software Foundation" }) 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()) || (config.hasExtensionSet() && !config.hasExtension(slingRequest))) { chain.doFilter(request, response); return; } final RequestDispatcherOptions options = new RequestDispatcherOptions(); options.setForceResourceType(resourceType); String resourcePath = StringUtils.substringBefore(slingRequest.getRequestPathInfo().getResourcePath(), "."); Resource resource = slingRequest.getResourceResolver().resolve(resourcePath); final RequestDispatcher dispatcher = slingRequest.getRequestDispatcher(resource, options); dispatcher.forward(request, response); } private static String getResourceTypeFromSuffix(final SlingHttpServletRequest request) { String suffix = request.getRequestPathInfo().getSuffix(); suffix = StringUtils.substringBeforeLast(suffix, "."); return StringUtils.removeStart(suffix, "/"); } @Override public void init(FilterConfig filterConfig) throws ServletException { } @Override public void destroy() { } }