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Java > Open Source Codes > org > netbeans > modules > javacore > parser > AnnotationInfoMeasure


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19 package org.netbeans.modules.javacore.parser;
20
21 import java.util.Arrays JavaDoc;
22 import org.netbeans.modules.javacore.jmiimpl.javamodel.AnnotationImpl;
23 import org.netbeans.modules.javacore.jmiimpl.javamodel.SemiPersistentElement;
24
25 /**
26  * @author Tomas Hurka
27  * @author Pavel Flaska
28  */
29 public final class AnnotationInfoMeasure implements Measure {
30     public static final AnnotationInfoMeasure INSTANCE = new AnnotationInfoMeasure();
31
32     private AnnotationInfoMeasure() {
33     }
34
35     /** Compares Annoation to AnnotationInfo object.
36      * @param refObject Must be Annoation
37      * @param AnnotationInfo
38      * @return distance
39      */
40     public int getDistance(Object JavaDoc refObject, Object JavaDoc ast) {
41         if (ast instanceof AnnotationInfo) {
42             AnnotationInfo astInfo = (AnnotationInfo) ast;
43             AnnotationImpl refInfo = (AnnotationImpl) refObject;
44             int result = INFINITE_DISTANCE;
45
46             if (refInfo.isPersisted()) {
47                 result = ClassNameMeasure.INSTANCE.getDistance(refInfo.getTypeRef(), astInfo.type);
48             }
49             return result;
50         }
51         return INFINITE_DISTANCE;
52     }
53 }
54
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