| /* |
| * 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.sparql.expr; |
| |
| import org.apache.jena.query.Query ; |
| import org.apache.jena.sparql.ARQConstants ; |
| import org.apache.jena.sparql.ARQInternalErrorException ; |
| import org.apache.jena.sparql.expr.nodevalue.NodeFunctions ; |
| import org.apache.jena.sparql.function.FunctionEnv ; |
| import org.apache.jena.sparql.sse.Tags ; |
| |
| public class E_IRI extends ExprFunction1 |
| { |
| private static final String symbol = Tags.tagIri ; |
| |
| public E_IRI(Expr expr) |
| { |
| super(expr, symbol) ; |
| } |
| |
| public E_IRI(Expr expr, String altSymbol) |
| { |
| super(expr, altSymbol) ; |
| } |
| |
| // Use the hook to get the env. |
| @Override |
| public NodeValue eval(NodeValue v, FunctionEnv env) |
| { |
| String baseIRI = null ; |
| if ( env.getContext() != null ) |
| { |
| Query query = (Query)env.getContext().get(ARQConstants.sysCurrentQuery) ; |
| if ( query != null ) |
| baseIRI = query.getBaseURI() ; |
| } |
| return NodeFunctions.iri(v, baseIRI) ; |
| } |
| |
| @Override |
| public Expr copy(Expr expr) { return new E_IRI(expr) ; } |
| |
| @Override |
| public NodeValue eval(NodeValue v) |
| { |
| throw new ARQInternalErrorException("Should not be called") ; |
| } |
| } |