| /* |
| * 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.postservletextensions.internal; |
| |
| import java.util.List; |
| |
| import javax.jcr.Item; |
| import javax.jcr.Node; |
| import javax.jcr.Session; |
| |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Property; |
| import org.apache.felix.scr.annotations.Service; |
| import org.apache.sling.api.SlingHttpServletRequest; |
| import org.apache.sling.api.request.RequestParameter; |
| import org.apache.sling.servlets.post.Modification; |
| import org.apache.sling.servlets.post.ModificationType; |
| import org.apache.sling.servlets.post.SlingPostProcessor; |
| |
| /** |
| * This processor allows to create links between nodes. |
| * |
| */ |
| @Component |
| @Service(value=SlingPostProcessor.class) |
| @Property(name="sling.post.processor", value="link") |
| public class LinkProcessor implements SlingPostProcessor { |
| |
| public final LinkHelper linkHelper = new LinkHelper(); |
| |
| public void process(SlingHttpServletRequest request, |
| List<Modification> changes) throws Exception { |
| |
| Session session = request.getResourceResolver().adaptTo(Session.class); |
| |
| RequestParameter linkParam = request.getRequestParameter(":link"); |
| if (linkParam != null){ |
| String linkPath = linkParam.getString(); |
| // check if a new node have been created |
| if (changes.size() > 0 && changes.get(0).getType() == ModificationType.CREATE) { |
| // hack to get the resource path |
| // is it possible to add the response to the method header ? |
| String resourcePath = changes.get(0).getSource(); |
| Node source = (Node) session.getItem(resourcePath); |
| |
| // create a symetric link |
| if (session.itemExists(linkPath)) { |
| Item targetItem = session.getItem(linkPath); |
| if (targetItem.isNode()) { |
| linkHelper.createSymetricLink(source, (Node) targetItem, "link"); |
| } |
| } |
| } |
| } |
| |
| |
| } |
| } |