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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *  http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.any23.extractor.xpath;
19  
20  import java.util.Locale;
21  
22  import org.eclipse.rdf4j.model.IRI;
23  import org.eclipse.rdf4j.model.impl.SimpleValueFactory;
24  
25  /**
26   * Represents a <i>Quad</i> predicate <i>template</i>.
27   *
28   * @author Michele Mostarda (mostarda@fbk.eu)
29   */
30  public class TemplatePredicate extends Term<IRI> {
31  
32      /**
33       * Constructor.
34       *
35       * @param value
36       *            internal value.
37       * @param isVar
38       *            if <code>true</code> it the given <code>value</code> will be resolved with the variable value.
39       */
40      public TemplatePredicate(String value, boolean isVar) {
41          super(value, isVar);
42      }
43  
44      @Override
45      protected IRI getValueInternal(String value) {
46          try {
47              return SimpleValueFactory.getInstance().createIRI(value);
48          } catch (IllegalArgumentException iae) {
49              throw new IllegalArgumentException(
50                      String.format(Locale.ROOT, "Expected a valid IRI for predicate template, found '%s'", value), iae);
51          }
52      }
53  
54      @Override
55      public String toString() {
56          return "<" + super.toString() + ">";
57      }
58  
59  }