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


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 org.netbeans.modules.javacore.jmiimpl.javamodel.ConstructorImpl;
22
23 /**
24  *
25  * @author Tomas Hurka
26  */
27 class ConstructorInfoMeasure implements Measure {
28     public static final ConstructorInfoMeasure INSTANCE = new ConstructorInfoMeasure();
29
30     /** Creates a new instance of ClassMeasure */
31     private ConstructorInfoMeasure() {
32     }
33
34     /** Compares Java constructor to ASTree object.
35      * @param refObject Must be Constructor
36      * @param asTree
37      * @return distance
38      */
39     public int getDistance(Object JavaDoc refObject, Object JavaDoc ast) {
40         if (ast instanceof MethodInfo) {
41             MethodInfo astInfo = (MethodInfo) ast;
42             ConstructorImpl refInfo = (ConstructorImpl) refObject;
43             
44             if (astInfo.infoType==MethodInfo.CONSTRUCTOR_TYPE) {
45                 if (refInfo.isPersisted()) {
46                     TypeRef[] refTypeNames = InfoUtil.getTypeNames(refInfo);
47                     TypeRef[] astTypeNames = InfoUtil.getTypeNames(astInfo.parameters);
48                     return new OrderedArrayMeasure(ClassNameMeasure.INSTANCE).getDistance(refTypeNames, astTypeNames);
49                 } else {
50                     return 1;
51                 }
52             }
53         }
54         return INFINITE_DISTANCE;
55     }
56 }
57
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