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Java > Open Source Codes > org > netbeans > modules > project > uiapi > Utilities


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.project.uiapi;
21
22 import java.util.HashMap JavaDoc;
23 import java.util.Map JavaDoc;
24 import org.netbeans.spi.project.ui.support.ProjectCustomizer;
25 import org.openide.util.Lookup;
26
27 /**
28  * Way of getting implementations of UI components defined in projects/projectui.
29  * @author Petr Hrebejk, Jesse Glick
30  */
31 public class Utilities {
32
33     private static final Map JavaDoc<ProjectCustomizer.Category,CategoryChangeSupport> CATEGORIES = new HashMap JavaDoc<ProjectCustomizer.Category,CategoryChangeSupport>();
34
35     private Utilities() {}
36
37     /** Gets action factory from the global Lookup.
38      */
39     public static ActionsFactory getActionsFactory() {
40         ActionsFactory instance = Lookup.getDefault().lookup(ActionsFactory.class);
41         assert instance != null : "Need to have " + ActionsFactory.class.getName() + " instance in the default lookup";
42         return instance;
43     }
44     
45     /** Gets the projectChooser factory from the global Lookup
46      */
47     public static ProjectChooserFactory getProjectChooserFactory() {
48         ProjectChooserFactory instance = Lookup.getDefault().lookup(ProjectChooserFactory.class);
49         assert instance != null : "Need to have " + ProjectChooserFactory.class.getName() + " instance in the default lookup";
50         return instance;
51     }
52     
53     /** Gets an object the OpenProjects can delegate to
54      */
55     public static OpenProjectsTrampoline getOpenProjectsTrampoline() {
56         OpenProjectsTrampoline instance = Lookup.getDefault().lookup(OpenProjectsTrampoline.class);
57         assert instance != null : "Need to have " + OpenProjectsTrampoline.class.getName() + " instance in the default lookup";
58         return instance;
59     }
60     
61     public static CategoryChangeSupport getCategoryChangeSupport(ProjectCustomizer.Category category) {
62         CategoryChangeSupport cw = Utilities.CATEGORIES.get(category);
63         return cw == null ? CategoryChangeSupport.NULL_INSTANCE : cw;
64     }
65     
66     public static void putCategoryChangeSupport(
67             ProjectCustomizer.Category category, CategoryChangeSupport wrapper) {
68         Utilities.CATEGORIES.put(category, wrapper);
69     }
70     
71     public static void removeCategoryChangeSupport(ProjectCustomizer.Category category) {
72         Utilities.CATEGORIES.remove(category);
73     }
74     
75 }
76
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