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Java > Open Source Codes > org > netbeans > modules > xml > schema > model > visitor > PreviewImpl


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 package org.netbeans.modules.xml.schema.model.visitor;
21
22 import java.util.ArrayList JavaDoc;
23 import java.util.Collections JavaDoc;
24 import java.util.HashMap JavaDoc;
25 import java.util.List JavaDoc;
26 import java.util.Map JavaDoc;
27
28 import org.netbeans.modules.xml.schema.model.SchemaComponent;
29
30 /**
31  *
32  * @author Samaresh
33  */
34 public class PreviewImpl implements Preview {
35
36     /**
37      * Collection of schema components, all of which,
38      * reference the same global schema component.
39      */
40     private Map JavaDoc<SchemaComponent, List JavaDoc<SchemaComponent>> usages =
41             new HashMap JavaDoc<SchemaComponent, List JavaDoc<SchemaComponent>>();
42     
43     /**
44      * Returns a collection of schema components, all of which,
45      * reference the same global schema component.
46      */
47     public Map JavaDoc<SchemaComponent, List JavaDoc<SchemaComponent>> getUsages() {
48         return usages;
49     }
50         
51     void addToUsage(SchemaComponent component) {
52         List JavaDoc<SchemaComponent> temp = new ArrayList JavaDoc<SchemaComponent>();
53     SchemaComponent sc = component;
54     while (sc != null) {
55         temp.add(sc);
56         sc = sc.getParent();
57     };
58         Collections.reverse(temp);
59         usages.put(component, temp);
60     }
61
62 }
63
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