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.http.api.url; 019 020import static org.apache.jena.rdf.model.ModelFactory.createDefaultModel; 021import static org.apache.jena.rdf.model.ResourceFactory.createResource; 022import static org.fcrepo.kernel.api.FedoraTypes.FEDORA_REPOSITORY_ROOT; 023import static org.fcrepo.kernel.api.RdfLexicon.HAS_FIXITY_SERVICE; 024import static org.fcrepo.kernel.api.RdfLexicon.HAS_TRANSACTION_SERVICE; 025 026import org.apache.jena.rdf.model.Model; 027import org.apache.jena.rdf.model.Resource; 028 029import org.fcrepo.http.api.repository.FedoraRepositoryTransactions; 030import org.fcrepo.http.commons.api.rdf.UriAwareResourceModelFactory; 031import org.fcrepo.kernel.api.models.FedoraBinary; 032import org.fcrepo.kernel.api.models.FedoraResource; 033import org.fcrepo.kernel.api.models.NonRdfSourceDescription; 034import org.fcrepo.kernel.api.identifiers.IdentifierConverter; 035 036import org.springframework.stereotype.Component; 037 038import javax.ws.rs.core.UriInfo; 039 040/** 041 * Inject our HTTP API methods into the object graphs 042 * 043 * @author awoods 044 */ 045@Component 046public class HttpApiResources implements UriAwareResourceModelFactory { 047 048 @Override 049 public Model createModelForResource(final FedoraResource resource, 050 final UriInfo uriInfo, final IdentifierConverter<Resource,FedoraResource> idTranslator) { 051 052 final Model model = createDefaultModel(); 053 054 final Resource s = idTranslator.reverse().convert(resource); 055 056 if (resource.hasType(FEDORA_REPOSITORY_ROOT)) { 057 addRepositoryStatements(uriInfo, model, s); 058 } 059 060 if (resource instanceof NonRdfSourceDescription && !resource.isMemento()) { 061 addContentStatements(idTranslator, (FedoraBinary)resource.getDescribedResource(), model); 062 } 063 return model; 064 } 065 066 private static void addContentStatements(final IdentifierConverter<Resource,FedoraResource> idTranslator, 067 final FedoraBinary resource, 068 final Model model) { 069 // fcr:fixity 070 final Resource subject = idTranslator.reverse().convert(resource); 071 model.add(subject, HAS_FIXITY_SERVICE, createResource(subject.getURI() + 072 "/fcr:fixity")); 073 } 074 075 076 private void addRepositoryStatements(final UriInfo uriInfo, final Model model, 077 final Resource s) { 078 // fcr:tx 079 model.add(s, HAS_TRANSACTION_SERVICE, createResource(uriInfo 080 .getBaseUriBuilder().path(FedoraRepositoryTransactions.class) 081 .build().toASCIIString())); 082 } 083 084}