| /* |
| * 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.sample.slingshot.comments.impl; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import javax.jcr.Node; |
| import javax.jcr.RepositoryException; |
| |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Service; |
| import org.apache.sling.api.resource.PersistenceException; |
| 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.sample.slingshot.SlingshotConstants; |
| import org.apache.sling.sample.slingshot.SlingshotUtil; |
| import org.apache.sling.sample.slingshot.comments.Comment; |
| import org.apache.sling.sample.slingshot.comments.CommentsService; |
| import org.apache.sling.sample.slingshot.comments.CommentsUtil; |
| import org.apache.sling.sample.slingshot.impl.Util; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Implementation of the comments service |
| */ |
| @Component |
| @Service(value=CommentsService.class) |
| public class CommentsServiceImpl implements CommentsService { |
| |
| /** The resource type for the comments holder. */ |
| public static final String RESOURCETYPE_COMMENTS = "sling:OrderedFolder"; |
| |
| private final Logger logger = LoggerFactory.getLogger(this.getClass()); |
| |
| /** |
| * @see org.apache.sling.sample.slingshot.comments.CommentsService#getCommentsResourcePath(org.apache.sling.api.resource.Resource) |
| */ |
| public String getCommentsResourcePath(final Resource resource) { |
| final String contentPath = SlingshotUtil.getContentPath(resource); |
| if ( contentPath != null ) { |
| final String fullPath = SlingshotConstants.APP_ROOT_PATH |
| + "/users/" + SlingshotUtil.getUserId(resource) |
| + "/ugc/comments" + contentPath; |
| return fullPath; |
| } |
| return null; |
| } |
| |
| /** |
| * @see org.apache.sling.sample.slingshot.comments.CommentsService#addComment(org.apache.sling.api.resource.Resource, org.apache.sling.sample.slingshot.comments.Comment) |
| */ |
| public void addComment(final Resource resource, final Comment c) |
| throws PersistenceException { |
| final String commentsPath = this.getCommentsResourcePath(resource); |
| final Map<String, Object> props = new HashMap<String, Object>(); |
| props.put(ResourceResolver.PROPERTY_RESOURCE_TYPE, RESOURCETYPE_COMMENTS); |
| final Resource ratingsResource = ResourceUtil.getOrCreateResource(resource.getResourceResolver(), |
| commentsPath, props, null, true); |
| |
| final Map<String, Object> properties = new HashMap<String, Object>(); |
| properties.put(ResourceResolver.PROPERTY_RESOURCE_TYPE, CommentsUtil.RESOURCETYPE_COMMENT); |
| properties.put(CommentsUtil.PROPERTY_TITLE, c.getTitle()); |
| properties.put(CommentsUtil.PROPERTY_TEXT, c.getText()); |
| properties.put(CommentsUtil.PROPERTY_USER, c.getCreatedBy()); |
| |
| // we try it five times |
| PersistenceException exception = null; |
| Resource newResource = null; |
| for(int i=0; i<5; i++) { |
| try { |
| exception = null; |
| final String name = ResourceUtil.createUniqueChildName(ratingsResource, Util.filter(c.getTitle())); |
| newResource = resource.getResourceResolver().create(ratingsResource, name, properties); |
| |
| resource.getResourceResolver().commit(); |
| break; |
| } catch ( final PersistenceException pe) { |
| resource.getResourceResolver().revert(); |
| resource.getResourceResolver().refresh(); |
| exception = pe; |
| } |
| } |
| if ( exception != null ) { |
| throw exception; |
| } |
| // order node at the top (if jcr based) |
| final Node newNode = newResource.adaptTo(Node.class); |
| if ( newNode != null ) { |
| try { |
| final Node parent = newNode.getParent(); |
| final Node firstNode = parent.getNodes().nextNode(); |
| if ( !firstNode.getName().equals(newNode.getName()) ) { |
| parent.orderBefore(newNode.getName(), firstNode.getName()); |
| newNode.getSession().save(); |
| } |
| } catch ( final RepositoryException re) { |
| logger.error("Unable to order comment to the top", re); |
| } |
| } |
| } |
| |
| } |