| /* |
| * 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.shacl.engine.constraint; |
| |
| import static org.apache.jena.shacl.lib.ShLib.displayStr; |
| |
| import java.util.Objects; |
| |
| import org.apache.jena.datatypes.RDFDatatype; |
| import org.apache.jena.graph.Node; |
| import org.apache.jena.graph.NodeFactory; |
| import org.apache.jena.shacl.engine.ValidationContext; |
| import org.apache.jena.shacl.validation.ReportItem; |
| import org.apache.jena.shacl.vocabulary.SHACL; |
| import org.apache.jena.vocabulary.XSD; |
| |
| /** sh:datatype */ |
| public class DatatypeConstraint extends ConstraintTerm { |
| |
| private final Node datatype; |
| private final String dtURI; |
| private final RDFDatatype rdfDatatype; |
| |
| public DatatypeConstraint(Node dt) { |
| this( dt.isURI() ? dt.getURI() : null |
| , Objects.requireNonNull(dt)); |
| if ( ! dt.isURI() ) |
| throw new IllegalArgumentException("Not a URI: "+dt); |
| } |
| |
| public DatatypeConstraint(String dt) { |
| this(Objects.requireNonNull(dt), NodeFactory.createURI(dt)); |
| } |
| |
| private DatatypeConstraint(String dtURI, Node dt) { |
| this.datatype = dt; |
| this.dtURI = dtURI; |
| this.rdfDatatype = NodeFactory.getType(dtURI); |
| } |
| |
| @Override |
| public ReportItem validate(ValidationContext vCxt, Node n) { |
| if ( n.isLiteral() && dtURI.equals(n.getLiteralDatatypeURI()) ) { |
| // Must be valid for the type |
| if ( ! rdfDatatype.isValid(n.getLiteralLexicalForm()) ) { |
| String errMsg = toString()+" : Not valid value : Node "+displayStr(n); |
| return new ReportItem(errMsg, n); |
| } |
| return null; |
| } |
| if ( ! n.isLiteral() ) |
| return new ReportItem(toString()+" : Not a literal", n); |
| String errMsg = toString()+" : Got datatype "+n.getLiteralDatatype().getURI()+" : Node "+displayStr(n); |
| return new ReportItem(errMsg, n); |
| } |
| |
| @Override |
| public Node getComponent() { |
| return SHACL.DatatypeConstraintComponent; |
| } |
| |
| @Override |
| public String toString() { |
| String x; |
| if ( datatype.isURI() ) { |
| if ( dtURI.startsWith(XSD.getURI()) ) |
| x = "xsd:"+datatype.getLocalName(); |
| else |
| x = "<"+dtURI+">"; |
| } else if ( datatype.isBlank() ) |
| x = "<_:"+datatype.getBlankNodeLabel()+">"; |
| else |
| x = displayStr(datatype); |
| |
| return "DatatypeConstraint["+x+"]"; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(datatype, dtURI); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if ( this == obj ) |
| return true; |
| if ( obj == null ) |
| return false; |
| if ( !(obj instanceof DatatypeConstraint) ) |
| return false; |
| DatatypeConstraint other = (DatatypeConstraint)obj; |
| return Objects.equals(datatype, other.datatype) && Objects.equals(dtURI, other.dtURI); |
| } |
| } |