##### Coverage Report - org.apache.any23.extractor.xpath.Term

Classes in this File | Line Coverage | Branch Coverage | Complexity
Term |
0% | 0/13
0% | 0/6
| 1.6666666666666667;1.667

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 org.openrdf.model.Value;
21 |  |
22 |  |
     import java.util.Map;
23 |  |
24 |  |
     /**
25 |  |
      * Represents a generic template term.
26 |  |
      *
27 |  |
      * @author Michele Mostarda (mostarda@fbk.eu)
28 |  |
      */
29 |  |
     public abstract class Term<T extends Value> {
30 |  |
31 |  |
         /**
32 |  |
          * Internal value.
33 |  |
          */
34 |  |
         private final String internalValue;
35 |  |
36 |  |
         /**
37 |  |
          * if true the #internalValue is a variable name,
38 |  |
          * otherwise is a constant.
39 |  |
          */
40 |  |
         private final boolean isVar;
41 |  |
42 |  |
         /**
43 |  |
          * Constructor.
44 |  |
          *
45 |  |
          * @param internalValue internal term value.
46 |  |
          * @param isVar if true the <code>internalValue</code> is a variable name,
47 |  |
          *              otherwise is a constant.
48 |  |
          */
49 | 0 |
         protected Term(String internalValue, boolean isVar) {
50 | 0 |
             this.internalValue = internalValue;
51 | 0 |
             this.isVar = isVar;
52 | 0 |
         }
53 |  |
54 |  |
         /**
55 |  |
          * @return the internal value.
56 |  |
          */
57 |  |
         public String getInternalValue() {
58 | 0 |
             return internalValue;
59 |  |
         }
60 |  |
61 |  |
         /**
62 |  |
          * @return the isVar flag value.
63 |  |
          */
64 |  |
         public boolean isVar() {
65 | 0 |
             return isVar;
66 |  |
         }
67 |  |
68 |  |
         /**
69 |  |
          * Returns the value represented by this {@link Term}
70 |  |
          * given the <code>varMapping</code>, the #isVar and #internalValue
71 |  |
          * parameters.
72 |  |
          *
73 |  |
          * @param varMapping a map representing values of variables.
74 |  |
          * @return the value for this term.
75 |  |
          */
76 |  |
         public T getValue(Map<String, String> varMapping) {
77 |  |
             final String value;
78 | 0 |
             if(isVar) {
79 | 0 |
                 value = varMapping.get(internalValue);
80 | 0 |
                 if(value == null) {
81 | 0 |
                     throw new IllegalStateException(
82 |  |
                             String.format("Cannot find a valid value for variable '%s'", internalValue)
83 |  |
                     );
84 |  |
                 }
85 |  |
             } else {
86 | 0 |
                 value = internalValue;
87 |  |
             }
88 | 0 |
             return getValueInternal(value);
89 |  |
         }
90 |  |
91 |  |
         protected abstract T getValueInternal(String value);
92 |  |
93 |  |
         @Override
94 |  |
         public String toString() {
95 | 0 |
             return isVar ? ( "?" + internalValue ) : internalValue;
96 |  |
         }
97 |  |
     }