001/*
002 * Licensed to DuraSpace under one or more contributor license agreements.
003 * See the NOTICE file distributed with this work for additional information
004 * regarding copyright ownership.
005 *
006 * DuraSpace licenses this file to you under the Apache License,
007 * Version 2.0 (the "License"); you may not use this file except in
008 * compliance with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.fcrepo.kernel.modeshape.rdf.impl;
019
020import org.apache.jena.rdf.model.Resource;
021import org.fcrepo.kernel.api.models.FedoraResource;
022import org.fcrepo.kernel.api.identifiers.IdentifierConverter;
023
024import javax.jcr.RepositoryException;
025import java.security.AccessControlException;
026
027import static java.util.stream.Stream.of;
028import static org.apache.jena.datatypes.xsd.XSDDatatype.XSDboolean;
029import static org.apache.jena.graph.NodeFactory.createLiteral;
030import static org.apache.jena.graph.Triple.create;
031import static org.fcrepo.kernel.api.RdfLexicon.WRITABLE;
032import static org.fcrepo.kernel.modeshape.utils.FedoraTypesUtils.getJcrNode;
033
034/**
035 * @author cabeer
036 * @since 10/1/14
037 */
038public class AclRdfContext extends NodeRdfContext {
039    /**
040     * Default constructor.
041     *
042     * @param resource the resource
043     * @param idTranslator the property of idTranslator
044     * @throws javax.jcr.RepositoryException if repository exception occurred
045     */
046    public AclRdfContext(final FedoraResource resource,
047                         final IdentifierConverter<Resource, FedoraResource> idTranslator) throws RepositoryException {
048        super(resource, idTranslator);
049
050        boolean writable = false;
051        try {
052            getJcrNode(resource()).getSession().checkPermission( resource().getPath(), "add_node,set_property,remove" );
053            writable = true;
054        } catch ( final AccessControlException ex ) {
055            writable = false;
056        }
057        concat(of(create(subject(), WRITABLE.asNode(), createLiteral(String.valueOf(writable), XSDboolean))));
058    }
059}