| /******************************************************************************* |
| * 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.hapi; |
| |
| import javax.jcr.Node; |
| import javax.jcr.RepositoryException; |
| |
| import org.apache.sling.api.resource.ResourceResolver; |
| |
| public interface HApiUtil { |
| |
| String DEFAULT_RESOURCE_TYPE = "sling/hapi/components/type"; |
| |
| /** |
| * <p>Get a HApi type object from a type identifier.</p> |
| * <p>The JCR node must be [nt:unstructured], a descendant of any of the HAPi search path defined by the |
| * {@see HAPI_PATHS} config and the sling:resourceType should be set to the value defined by the {@see HAPI_RESOURCE_TYPE} config</p> |
| * <p>The first result is returned</p> |
| * @param resolver The sling resource resolver object |
| * @param type The type identifier, which is either in the form of a jcr path, |
| * same as the path for {@link: ResourceResolver#getResource(String)}. If the path cannot be resolved, type is treated like |
| * a fully qualified domain name, which has to match the "fqdn" property on the JCR node which represents the type. |
| * @return The first node that matches that type or null if none is found. |
| * @throws RepositoryException |
| */ |
| Node getTypeNode(ResourceResolver resolver, String type) throws RepositoryException; |
| |
| |
| /** |
| * <p>Get a HApi type object from a type identifier.</p> |
| * <p>The type identifier is resolved to a {@link javax.jcr.Node} and then |
| * {@link #fromNode(org.apache.sling.api.resource.ResourceResolver, javax.jcr.Node)} is called.</p> |
| * <p>For restrictions on the {@link javax.jcr.Node} |
| * see {@link HApiUtil#getTypeNode(org.apache.sling.api.resource.ResourceResolver, String)}</p> |
| * @param resolver The sling resource resolver object |
| * @param type The type identifier, which is either in the form of a jcr path, |
| * same as the path for{@link: ResourceResolver#getResource(String)}. If the path cannot be resolved, type is treated like |
| * a fully qualified domain name, which has to match the "fqdn" property on the JCR node which represents the type. |
| * @return The HApiType resolved from the type identifier |
| * @throws javax.jcr.RepositoryException |
| */ |
| HApiType fromPath(ResourceResolver resolver, String type) throws RepositoryException; |
| |
| /** |
| * <p>Get a HApi type object from the {@link javax.jcr.Node}.</p> |
| * The Node has the following properties: |
| * <ul> |
| * <li>name: A 'Name' of the type (mandatory)</li> |
| * <li>description: A 'String' with the description text for this type (mandatory)</li> |
| * <li>fqdn: A 'String' with the fully qualified domain name; A namespace like a java package (mandatory)</li> |
| * <li>extends: A type identifier (either a path or a fqdn); (optional). This defines the parent type of this type</li> |
| * <li>parameter: A multivalue property to define a list of java-like generic types |
| * that can be used as types for properties; (optional)</li> |
| * </ul> |
| * |
| * <p>The properties of this type are defined as children nodes.</p> |
| * <p>The name of property node defines the name of the property for this type. </p> |
| * The children property nodes have the following properties: |
| * <ul> |
| * <li>type: The type identifier (mandatory). Can be of type 'Name' or 'Path' |
| * See {@link HApiUtil#getTypeNode(org.apache.sling.api.resource.ResourceResolver, String)} |
| * for the format of this value</li> |
| * <li>description: A 'String' with the description for this property (mandatory)</li> |
| * <li>multiple: A 'Boolean' that defines whether this property can exist multiple times on an object of this type (optional)</li> |
| * </ul> |
| * |
| * @param resolver The resource resolver |
| * @param typeNode The jcr node of the HApi type |
| * @return The HApiType |
| * @throws RepositoryException |
| */ |
| HApiType fromNode(ResourceResolver resolver, Node typeNode) throws RepositoryException; |
| |
| /** |
| * Get a new instance of AttributeHelper for the type identified by 'type' |
| * @param resolver |
| * @param type See {@link #getTypeNode(org.apache.sling.api.resource.ResourceResolver, String)} |
| * for the format of the type identifier |
| * @return |
| * @throws RepositoryException |
| */ |
| MicrodataAttributeHelper getHelper(ResourceResolver resolver, String type) throws RepositoryException; |
| } |