001/** 002 * Copyright 2014 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.impl.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; 023import org.fcrepo.kernel.models.FedoraResource; 024import org.fcrepo.kernel.identifiers.IdentifierConverter; 025import org.fcrepo.kernel.utils.iterators.NodeIterator; 026 027import javax.jcr.Node; 028import javax.jcr.RepositoryException; 029import java.util.Iterator; 030 031import static org.fcrepo.kernel.impl.identifiers.NodeResourceConverter.nodeConverter; 032 033/** 034 * @author cabeer 035 * @since 10/9/14 036 */ 037public class HashRdfContext extends NodeRdfContext { 038 039 040 /** 041 * Default constructor. 042 * 043 * @param resource 044 * @param idTranslator 045 * @throws javax.jcr.RepositoryException 046 */ 047 public HashRdfContext(final FedoraResource resource, 048 final IdentifierConverter<Resource, FedoraResource> idTranslator) 049 throws RepositoryException { 050 super(resource, idTranslator); 051 052 final Node node = resource().getNode(); 053 if (node.hasNode("#")) { 054 concat(Iterators.concat(Iterators.transform(new NodeIterator(node.getNode("#").getNodes()), 055 new Function<Node, Iterator<Triple>>() { 056 @Override 057 public Iterator<Triple> apply(final Node input) { 058 final FedoraResource resource = nodeConverter.convert(input); 059 060 return resource.getTriples(idTranslator, ImmutableList.of(TypeRdfContext.class, 061 PropertiesRdfContext.class, 062 BlankNodeRdfContext.class)); 063 } 064 }))); 065 } 066 } 067}