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


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 /*
20  * ImportASTMeasure.java
21  *
22  * Created on January 10, 2003, 10:15 AM
23  */
24
25 package org.netbeans.modules.javacore.parser;
26
27 import org.netbeans.jmi.javamodel.Import;
28
29 /**
30  *
31  * @author Tomas Hurka
32  */
33 class ImportInfoMeasure implements Measure {
34     static final ImportInfoMeasure INSTANCE = new ImportInfoMeasure();
35
36     /** Creates a new instance of ImportASTMeasure */
37     private ImportInfoMeasure() {
38     }
39
40     public int getDistance(Object JavaDoc refObject, Object JavaDoc ast) {
41         if (ast instanceof ElementInfo) {
42             ElementInfo astInfo = (ElementInfo) ast;
43             Import refInfo = (Import) refObject;
44             boolean isOnDemand=refInfo.isOnDemand();
45             
46             if ((isOnDemand && astInfo.infoType==ElementInfo.IMPORT_ON_DEMAND_TYPE) ||
47                 (!isOnDemand && astInfo.infoType==ElementInfo.SINGLE_IMPORT_TYPE)) {
48                 return StringMeasure.INSTANCE.getDistance(refInfo.getName(),astInfo.name);
49             }
50         }
51         return INFINITE_DISTANCE;
52     }
53 }
54
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