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


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 /**
22  *
23  * @author Martin Matula
24  */
25 public class ClassNameMeasure implements Measure {
26     public static final ClassNameMeasure INSTANCE = new ClassNameMeasure();
27
28     private ClassNameMeasure() {
29     }
30
31     public int getDistance(Object JavaDoc first, Object JavaDoc second) {
32         if (first==second)
33             return 0;
34         if (first==null || second==null)
35             return INFINITE_DISTANCE;
36         if (first.getClass().equals(second.getClass())) {
37             TypeRef firstRef=(TypeRef)first;
38             TypeRef secondRef=(TypeRef)second;
39             return StringMeasure.INSTANCE.getDistance(firstRef.getName(), secondRef.getName());
40         }
41         return INFINITE_DISTANCE;
42     }
43 }
44
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