| /* |
| * 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.helper; |
| |
| 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, import, 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; |
| } |
| |
| public boolean isPropertyProtectedOrNewAutoCreated(final Object node, final String name) |
| throws PersistenceException { |
| if ( node != null && supportImpl != null ) { |
| return ((JCRSupportImpl)supportImpl).isPropertyProtectedOrNewAutoCreated(node, name); |
| } |
| return false; |
| } |
| |
| public boolean isPropertyMandatory(final Object node, final String name) |
| throws PersistenceException { |
| if ( node != null && supportImpl != null ) { |
| return ((JCRSupportImpl)supportImpl).isPropertyMandatory(node, name); |
| } |
| return false; |
| } |
| |
| public boolean isPropertyMultiple(final Object node, final String name) |
| throws PersistenceException { |
| if ( node != null && supportImpl != null ) { |
| return ((JCRSupportImpl)supportImpl).isPropertyMultiple(node, name); |
| } |
| return false; |
| } |
| |
| public boolean isNewNode(final Object node) { |
| if ( node != null && supportImpl != null ) { |
| return ((JCRSupportImpl)supportImpl).isNewNode(node); |
| } |
| return true; |
| } |
| |
| public Integer getPropertyType(final Object node, final String name) |
| throws PersistenceException { |
| if ( node != null && supportImpl != null ) { |
| return ((JCRSupportImpl)supportImpl).getPropertyType(node, name); |
| } |
| return null; |
| } |
| |
| public boolean hasSession(final ResourceResolver resolver) { |
| if ( supportImpl != null ) { |
| return ((JCRSupportImpl)supportImpl).hasSession(resolver); |
| } |
| return false; |
| } |
| |
| /** |
| * Stores property value(s) as reference(s). Will parse the reference(s) from the string |
| * value(s) in the {@link RequestProperty}. |
| * |
| * @param resource resource |
| * @param node the node |
| * @param name the name |
| * @param values the value |
| * @param type the type |
| * @param multiValued if multiValued |
| * @return true only if parsing was successful and the property was actually changed |
| * @throws PersistenceException if the operation cannot be executed |
| */ |
| public Modification storeAsReference( |
| final Resource resource, |
| final Object node, |
| final String name, |
| final String[] values, |
| final int type, |
| final boolean multiValued) |
| throws PersistenceException { |
| if ( node != null && supportImpl != null ) { |
| return ((JCRSupportImpl)supportImpl).storeAsReference(node, name, values, type, multiValued); |
| } |
| throw new PersistenceException("Resource " + resource.getPath() + " does not support reference properties.", null, resource.getPath(), name); |
| } |
| |
| public void setTypedProperty(final Object n, |
| final String name, |
| final String[] values, |
| final int type, |
| final boolean multiValued) |
| throws PersistenceException { |
| if ( n != null && supportImpl != null ) { |
| ((JCRSupportImpl)supportImpl).setTypedProperty(n, name, values, type, multiValued); |
| } else { |
| throw new PersistenceException("Property should be stored through JCR but JCR support is not available"); |
| } |
| } |
| |
| public Object getNode(final Resource rsrc) { |
| if ( supportImpl != null ) { |
| return ((JCRSupportImpl)supportImpl).getNode(rsrc); |
| } |
| return null; |
| } |
| |
| public Object getItem(final Resource rsrc) { |
| if ( supportImpl != null ) { |
| return ((JCRSupportImpl)supportImpl).getItem(rsrc); |
| } |
| return null; |
| } |
| |
| public void setPrimaryNodeType(final Object node, final String type) |
| throws PersistenceException { |
| if ( node != null && supportImpl != null ) { |
| ((JCRSupportImpl)supportImpl).setPrimaryNodeType(node, type); |
| } else { |
| throw new PersistenceException("Node type should be set but JCR support is not available"); |
| } |
| } |
| |
| public String copy(Object src, Object dstParent, String name) |
| throws PersistenceException { |
| // the caller already got an item and a node, so supportImpl is available |
| return ((JCRSupportImpl)supportImpl).copy(src, dstParent, name); |
| } |
| |
| public void move(Object src, Object dstParent, String name) |
| throws PersistenceException { |
| // the caller already got an item and a node, so supportImpl is available |
| ((JCRSupportImpl)supportImpl).move(src, dstParent, name); |
| } |
| |
| public boolean jcrEnabled() { |
| return this.supportImpl != null; |
| } |
| } |