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Java > Open Source Codes > org > netbeans > modules > refactoring > spi > ui > TreeElementFactory


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.refactoring.spi.ui;
21
22 import org.openide.util.Lookup;
23
24 /**
25  * Factory which finds (or creates) TreeElement for given Object
26  * @see TreeElement
27  * @see TreeElementFactoryImplementation
28  * @author Jan Becicka
29  */
30 public final class TreeElementFactory {
31
32     private static final Lookup.Result<TreeElementFactoryImplementation> implementations =
33         Lookup.getDefault().lookup(new Lookup.Template(TreeElementFactoryImplementation.class));
34
35     private TreeElementFactory() {}
36
37     /**
38      * @param object
39      * @return TreeElement for given object
40      */
41     public static TreeElement getTreeElement(Object JavaDoc object) {
42         if (object == null) throw new IllegalArgumentException JavaDoc();
43         for (TreeElementFactoryImplementation fac: implementations.allInstances()) {
44             TreeElement result = fac.getTreeElement(object);
45             if (result != null) {
46                 return result;
47             }
48         }
49         return null;
50     }
51 }
52
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