| /* |
| * 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.jena.rdfs.assembler; |
| |
| import static org.apache.jena.sparql.util.graph.GraphUtils.getAsStringValue; |
| import static org.apache.jena.sparql.util.graph.GraphUtils.getResourceValue; |
| |
| import org.apache.jena.assembler.Assembler; |
| import org.apache.jena.assembler.Mode; |
| import org.apache.jena.assembler.assemblers.AssemblerBase; |
| import org.apache.jena.assembler.exceptions.AssemblerException; |
| import org.apache.jena.graph.Graph; |
| import org.apache.jena.rdf.model.Model; |
| import org.apache.jena.rdf.model.ModelFactory; |
| import org.apache.jena.rdf.model.Resource; |
| import org.apache.jena.rdfs.RDFSFactory; |
| import org.apache.jena.rdfs.SetupRDFS; |
| import org.apache.jena.riot.RDFDataMgr; |
| |
| public class GraphRDFSAssembler extends AssemblerBase implements Assembler { |
| |
| public static Resource getType() { |
| return VocabRDFS.tGraphRDFS; |
| } |
| |
| @Override |
| public Object open(Assembler a, Resource root, Mode mode) { |
| Graph graph = createGraph(a, root, mode) ; |
| return ModelFactory.createModelForGraph(graph); |
| } |
| |
| /** |
| * <pre> |
| * <#rdfsGraph> rdf:type ja:GraphRDFS ; |
| * ja:rdfs "vocab.ttl"; |
| * ja:graph <#baseGraph> ; |
| * . |
| * |
| * <#baseGraph> rdf:type ja:MemoryModel ; |
| * ja:data "data1.trig"; |
| <#baseGraph> rdf:type ja:MemoryModel; |
| ja:content [ja:externalContent <data.ttl> ]; |
| . |
| * . |
| * </pre> |
| */ |
| public Graph createGraph(Assembler a, Resource root, Mode mode) { |
| |
| Resource graph = getResourceValue(root, VocabRDFS.pGraph) ; |
| if ( graph == null ) |
| throw new AssemblerException(root, "Required base graph missing: "+VocabRDFS.tGraphRDFS) ; |
| |
| Model base = (Model)Assembler.general.open(graph); |
| |
| String schemaFile = getAsStringValue(root, VocabRDFS.pRdfsSchemaFile); |
| if ( schemaFile == null ) |
| throw new AssemblerException(root, "Required property missing: "+VocabRDFS.pRdfsSchemaFile) ; |
| |
| Graph schema = RDFDataMgr.loadGraph(schemaFile); |
| SetupRDFS setup = RDFSFactory.setupRDFS(schema); |
| Graph graphRDFS = RDFSFactory.graphRDFS(base.getGraph(), setup); |
| return graphRDFS; |
| } |
| } |