| /* |
| * 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.post.impl.operations; |
| |
| import java.util.List; |
| |
| import org.apache.sling.api.SlingHttpServletRequest; |
| 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.servlets.post.Modification; |
| import org.apache.sling.servlets.post.VersioningConfiguration; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class JCRSupport { |
| |
| public static final JCRSupport INSTANCE = new JCRSupport(); |
| |
| /** Logger. */ |
| private final Logger logger = LoggerFactory.getLogger(this.getClass()); |
| |
| private final Object supportImpl; |
| |
| public JCRSupport() { |
| Object impl = null; |
| try { |
| impl = new JCRSupportImpl(); |
| } catch ( final Throwable t) { |
| logger.warn("Support for JCR operations like checkin, checkout, ordering etc. is currently disabled " + |
| "in the servlets post module. Check whether the JCR API is available."); |
| } |
| this.supportImpl = impl; |
| } |
| |
| public void orderNode(final SlingHttpServletRequest request, |
| final Resource resource, |
| final List<Modification> changes) throws PersistenceException { |
| if ( supportImpl != null ) { |
| ((JCRSupportImpl)supportImpl).orderNode(request, resource, changes); |
| } |
| } |
| |
| public boolean checkin(final Resource rsrc) |
| throws PersistenceException { |
| if ( rsrc != null && supportImpl != null ) { |
| return ((JCRSupportImpl)supportImpl).checkin(rsrc); |
| } |
| return false; |
| } |
| |
| public void checkoutIfNecessary(final Resource rsrc, |
| final List<Modification> changes, |
| final VersioningConfiguration versioningConfiguration) |
| throws PersistenceException { |
| if ( rsrc != null && supportImpl != null ) { |
| ((JCRSupportImpl)supportImpl).checkoutIfNecessary(rsrc, changes, versioningConfiguration); |
| } |
| } |
| |
| public boolean isNode(final Resource rsrc) { |
| if ( rsrc != null && supportImpl != null ) { |
| return ((JCRSupportImpl)supportImpl).isNode(rsrc); |
| } |
| return false; |
| } |
| |
| public boolean isVersionable(final Resource rsrc) throws PersistenceException { |
| if ( supportImpl != null ) { |
| return ((JCRSupportImpl)supportImpl).isVersionable(rsrc); |
| } |
| return false; |
| } |
| |
| public boolean isNodeType(final Resource rsrc, final String typeHint) { |
| if ( rsrc != null && supportImpl != null ) { |
| return ((JCRSupportImpl)supportImpl).isNodeType(rsrc, typeHint); |
| } |
| return false; |
| } |
| |
| public Boolean isFileNodeType(final ResourceResolver resolver, final String nodeType) { |
| if ( supportImpl != null ) { |
| return ((JCRSupportImpl)supportImpl).isFileNodeType(resolver, nodeType); |
| } |
| return false; |
| } |
| } |