| /* |
| * 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 org.apache.jena.atlas.lib.Pair; |
| import org.apache.jena.query.Query; |
| import org.apache.jena.sparql.core.DatasetDescription; |
| import org.apache.jena.sparql.core.DatasetGraph; |
| import org.apache.jena.sparql.core.DynamicDatasets; |
| |
| public class SPARQL_QueryDataset extends SPARQLQueryProcessor { |
| |
| public SPARQL_QueryDataset() { } |
| |
| @Override |
| protected void validateRequest(HttpAction action) { } |
| |
| @Override |
| protected void validateQuery(HttpAction action, Query query) { } |
| |
| @Override |
| protected Pair<DatasetGraph, Query> decideDataset(HttpAction action, Query query, String queryStringLog) { |
| return decideDatasetDynamic(action, query, queryStringLog); |
| } |
| |
| /** |
| * Function to return the {@code Pair<DatasetGraph, Query>} based on processing any dataset description as {@link DynamicDatasets a dynamic dataset}. |
| * The query is modified to remove any dataset description. |
| * |
| * @param action |
| * @param query |
| * @param queryStringLog |
| * @return Pair<DatasetGraph, Query> |
| */ |
| public Pair<DatasetGraph, Query> decideDatasetDynamic(HttpAction action, Query query, String queryStringLog) { |
| DatasetGraph dsg = getDataset(action); |
| DatasetDescription dsDesc = SPARQLProtocol.getDatasetDescription(action, query); |
| if ( dsDesc != null ) { |
| dsg = DynamicDatasets.dynamicDataset(dsDesc, dsg, false); |
| if ( query.hasDatasetDescription() ) { |
| query.getGraphURIs().clear(); |
| query.getNamedGraphURIs().clear(); |
| } |
| } |
| return Pair.create(dsg, query); |
| } |
| |
| protected DatasetGraph getDataset(HttpAction action) { |
| return action.getActiveDSG(); |
| } |
| } |