| /* |
| * 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.fuseki.servlets; |
| |
| import static java.lang.String.format; |
| import static org.apache.jena.fuseki.servlets.ActionLib.getOneHeader; |
| |
| import org.apache.jena.atlas.web.MediaType; |
| import org.apache.jena.fuseki.DEF; |
| import org.apache.jena.graph.Graph; |
| import org.apache.jena.graph.Node; |
| import org.apache.jena.graph.NodeFactory; |
| import org.apache.jena.riot.Lang; |
| import org.apache.jena.riot.RDFLanguages; |
| import org.apache.jena.riot.web.HttpNames; |
| import org.apache.jena.shacl.ShaclValidator; |
| import org.apache.jena.shacl.Shapes; |
| import org.apache.jena.shacl.ValidationReport; |
| import org.apache.jena.sparql.core.DatasetGraph; |
| import org.apache.jena.web.HttpSC; |
| |
| /** |
| * SHACL validation service. Receives a shapes file and validates a graph named in the |
| * {@code ?graph=} parameter. |
| * {@code ?graph=} can be any graph name, or one of the words "default" or "union" (without quotes) |
| * to indicate the default graph, which is also the default and the dataset union graph. |
| */ |
| public class SHACL_Validation extends BaseActionREST { //ActionREST { |
| |
| public SHACL_Validation() {} |
| |
| @Override |
| protected void doPost(HttpAction action) { |
| // Response syntax |
| MediaType mediaType = ActionLib.contentNegotation(action, DEF.rdfOffer, DEF.acceptTurtle); |
| Lang lang = RDFLanguages.contentTypeToLang(mediaType.getContentType()); |
| if ( lang == null ) |
| lang = RDFLanguages.TTL; |
| |
| action.beginRead(); |
| try { |
| Graph data = determineTarget(action.getActiveDSG(), action); |
| Graph shapesGraph = ActionLib.readFromRequest(action, Lang.TTL); |
| Shapes shapes = Shapes.parse(shapesGraph); |
| ValidationReport report = ShaclValidator.get().validate(shapesGraph, data); |
| if ( report.conforms() ) |
| action.log.info(format("[%d] shacl: conforms", action.id)); |
| else |
| action.log.info(format("[%d] shacl: %d validation errors", action.id, report.getEntries().size())); |
| report.getEntries().size(); |
| action.response.setStatus(HttpSC.OK_200); |
| MediaType mt = ActionLib.contentNegotationRDF(action); |
| ActionLib.graphResponse(action, report.getGraph(), lang); |
| //} catch (Throwable th) { |
| } finally { |
| action.endRead(); |
| } |
| } |
| |
| protected final static Graph determineTarget(DatasetGraph dsg, HttpAction action) { |
| boolean dftGraph = getOneHeader(action.request, HttpNames.paramGraphDefault) != null ; |
| String graphName = getOneHeader(action.request, HttpNames.paramGraph) ; |
| if ( dftGraph && graphName != null ) |
| ServletOps.errorBadRequest("Both default graph and named graph specified") ; |
| if ( dftGraph ) |
| graphName = HttpNames.valueDefault; |
| if ( graphName == null ) |
| graphName = HttpNames.valueDefault; |
| // ?graph= |
| if ( graphName.equals(HttpNames.valueDefault ) ) |
| return dsg.getDefaultGraph(); |
| if ( graphName.equals("union") ) |
| return dsg.getUnionGraph(); |
| Node gn = NodeFactory.createURI(graphName); |
| return dsg.getGraph(gn); |
| } |
| |
| } |