| /* |
| * 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.servlets.resolver.internal.resource; |
| |
| import java.util.Iterator; |
| import java.util.Set; |
| |
| import javax.servlet.Servlet; |
| |
| import org.apache.sling.api.resource.Resource; |
| import org.apache.sling.spi.resource.provider.ResolveContext; |
| import org.apache.sling.spi.resource.provider.ResourceContext; |
| import org.apache.sling.spi.resource.provider.ResourceProvider; |
| |
| public class ServletResourceProvider extends ResourceProvider<Object> { |
| |
| private final Servlet servlet; |
| |
| private final Set<String> resourcePaths; |
| private final String resourceSuperType; |
| private final Set<String> resourceSuperTypeMarkers; |
| |
| ServletResourceProvider(final Servlet servlet, final Set<String> resourcePaths, |
| final Set<String> resourceSuperTypeMarkers, final String resourceSuperType) { |
| this.servlet = servlet; |
| this.resourcePaths = resourcePaths; |
| this.resourceSuperType = resourceSuperType; |
| this.resourceSuperTypeMarkers = resourceSuperTypeMarkers; |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public Resource getResource(final ResolveContext<Object> ctx, |
| final String path, |
| final ResourceContext resourceContext, |
| final Resource parent) { |
| // only return a resource if the servlet has been assigned |
| if (resourcePaths.contains(path)) { |
| if (resourceSuperTypeMarkers.contains(path)) { |
| return new ServletResource(ctx.getResourceResolver(), null, path, resourceSuperType); |
| } |
| return new ServletResource(ctx.getResourceResolver(), servlet, path, resourceSuperType); |
| } |
| |
| @SuppressWarnings("rawtypes") |
| final ResourceProvider parentProvider = ctx.getParentResourceProvider(); |
| if ( parentProvider != null ) { |
| final Resource useParent = (parent instanceof ServletResource ? null : parent); |
| return parentProvider.getResource(ctx.getParentResolveContext(), path, resourceContext, useParent); |
| } |
| return null; |
| } |
| |
| @SuppressWarnings({ "rawtypes", "unchecked" }) |
| @Override |
| public Iterator<Resource> listChildren(final ResolveContext<Object> ctx, final Resource parent) { |
| final ResourceProvider parentProvider = ctx.getParentResourceProvider(); |
| if ( parentProvider != null ) { |
| return parentProvider.listChildren(ctx.getParentResolveContext(), parent); |
| } |
| return null; |
| } |
| |
| /** |
| * The paths under which this servlet is mounted. Used by the servlet mounter |
| * @return The set of paths |
| */ |
| Set<String> getServletPaths() { |
| return resourcePaths; |
| } |
| |
| /** Return suitable info for logging */ |
| @Override |
| public String toString() { |
| return getClass().getSimpleName() + ": servlet=" |
| + servlet.getClass().getName() + ", paths=" |
| + resourcePaths; |
| } |
| } |