| /* |
| * 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.samples.htlblog.models; |
| |
| import java.util.Iterator; |
| |
| import org.apache.commons.collections.IteratorUtils; |
| import org.apache.commons.collections.iterators.ReverseListIterator; |
| import org.apache.sling.api.SlingHttpServletRequest; |
| import org.apache.sling.api.resource.Resource; |
| import org.apache.sling.api.resource.ResourceResolver; |
| import org.apache.sling.api.resource.ResourceUtil; |
| import org.apache.sling.models.annotations.Model; |
| |
| /** |
| * The Class List. |
| * |
| * <p>This class is specifically used public posts. |
| * It should not be used for listing other types of content.</p> |
| */ |
| @Model(adaptables=SlingHttpServletRequest.class) |
| public class List { |
| |
| /** The parent resource that holds our posts. */ |
| private final Resource resource; |
| |
| /** |
| * Instantiates a new list model. |
| * |
| * @param request the request |
| */ |
| public List(final SlingHttpServletRequest request) { |
| ResourceResolver resourceResolver = request.getResourceResolver(); |
| this.resource = resourceResolver.getResource("/content/htlblog/posts"); |
| } |
| |
| /** |
| * Gets the children. |
| * |
| * <p>Get the children, convert them to a Java List, reverse them, |
| * and adapt the collection to a Post model</p> |
| * |
| * @return the children |
| */ |
| @SuppressWarnings("unchecked") |
| public Iterator<Post> getChildren() { |
| if(this.resource != null) { |
| java.util.List<Resource> childrenList = IteratorUtils.toList(this.resource.getChildren().iterator()); |
| Iterator<Resource> reverseChildren = new ReverseListIterator(childrenList); |
| return ResourceUtil.adaptTo(reverseChildren, Post.class); |
| } else { |
| return null; |
| } |
| } |
| } |