001/** 002 * Copyright 2015 DuraSpace, Inc. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016package org.fcrepo.kernel.modeshape.rdf.impl; 017 018import com.google.common.base.Function; 019import com.google.common.collect.ImmutableList; 020import com.google.common.collect.Iterators; 021import com.hp.hpl.jena.graph.Triple; 022import com.hp.hpl.jena.rdf.model.Resource; 023 024import org.fcrepo.kernel.api.models.FedoraResource; 025import org.fcrepo.kernel.api.identifiers.IdentifierConverter; 026 027import javax.jcr.Node; 028import javax.jcr.RepositoryException; 029 030import java.util.Iterator; 031 032import static org.fcrepo.kernel.modeshape.identifiers.NodeResourceConverter.nodeConverter; 033 034/** 035 * @author cabeer 036 * @since 10/9/14 037 */ 038public class HashRdfContext extends NodeRdfContext { 039 040 041 /** 042 * Default constructor. 043 * 044 * @param resource the resource 045 * @param idTranslator the id translator 046 * @throws javax.jcr.RepositoryException if repository exception occurred 047 */ 048 public HashRdfContext(final FedoraResource resource, 049 final IdentifierConverter<Resource, FedoraResource> idTranslator) 050 throws RepositoryException { 051 super(resource, idTranslator); 052 053 final Node node = resource().getNode(); 054 if (node.hasNode("#")) { 055 final Iterator<Node> hashChildrenNodes = node.getNode("#").getNodes(); 056 concat(Iterators.concat(Iterators.transform(hashChildrenNodes, 057 new Function<Node, Iterator<Triple>>() { 058 @Override 059 public Iterator<Triple> apply(final Node input) { 060 final FedoraResource resource = nodeConverter.convert(input); 061 062 return resource.getTriples(idTranslator, ImmutableList.of(TypeRdfContext.class, 063 PropertiesRdfContext.class, 064 BlankNodeRdfContext.class)); 065 } 066 }))); 067 } 068 } 069}