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Java > Open Source Codes > spoon > aval > support > validator > RequiresValidator


1 /**
2  * Spoon - http://spoon.gforge.inria.fr/
3  * Copyright (C) 2006 INRIA Futurs <renaud.pawlak@inria.fr>
4  *
5  * This software is governed by the CeCILL-C License under French law and
6  * abiding by the rules of distribution of free software. You can use,
7  * modify and/or redistribute the software under the terms of the
8  * CeCILL-C
9  * license as circulated by CEA, CNRS and INRIA at the following URL:
10  * http://www.cecill.info.
11  *
12  * This program is distributed in the hope that it will be useful, but
13  * WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the CeCILL-C
15  * License for more details.
16  *
17  * The fact that you are presently reading this means that you have had
18  * knowledge of the CeCILL-C license and that you accept its terms.
19  */

20
21 package spoon.aval.support.validator;
22
23 import java.lang.annotation.Annotation JavaDoc;
24
25 import spoon.aval.Validator;
26 import spoon.aval.annotation.structure.Requires;
27 import spoon.aval.processing.AValProcessor;
28 import spoon.aval.processing.ValidationPoint;
29 import spoon.reflect.declaration.CtAnnotation;
30 import spoon.reflect.declaration.CtElement;
31
32 /**
33  * Implementation of the {@link Requires} validator.
34  * <p>
35  * This class implements the {@link Requires} validator.
36  * It checks that the current validation point contains an instance
37  * of the annotation refered by the &#64;Required Validator. If this is not the case,
38  * an ERROR is reported.
39  *
40  */

41 public class RequiresValidator implements Validator<Requires>{
42     /**
43      * Implementation of the Validator interface. Called by {@link AValProcessor}
44      */

45     public void check(ValidationPoint<Requires> vp) {
46         Class JavaDoc<? extends Annotation JavaDoc> reqA = vp.getValAnnotation().value();
47         CtElement element = vp.getProgramElement();
48         CtAnnotation dslAnnotation = vp.getDslAnnotation();
49         boolean valid = element.getAnnotation(reqA) !=null;
50         if (!valid) {
51             String JavaDoc message = vp.getValAnnotation().message().replace("?val", reqA.getCanonicalName());
52             ValidationPoint.report( vp.getValAnnotation().severity(), dslAnnotation, message,vp.fixerFactory(vp.getValAnnotation().fixers()));
53         }
54     }
55
56 }
57
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