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Java > Open Source Codes > org > netbeans > modules > editor > completion > CompletionSpiPackageAccessor


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.editor.completion;
21
22 import org.netbeans.spi.editor.completion.CompletionResultSet;
23
24 /**
25  * Accessor for the package-private functionality in org.netbeans.api.editor.completion.
26  *
27  * @author Miloslav Metelka
28  * @version 1.00
29  */
30
31 public abstract class CompletionSpiPackageAccessor {
32
33     private static CompletionSpiPackageAccessor INSTANCE;
34
35     public static CompletionSpiPackageAccessor get() {
36         return INSTANCE;
37     }
38
39     /**
40      * Register the accessor. The method can only be called once
41      * - othewise it throws IllegalStateException.
42      *
43      * @param accessor instance.
44      */
45     public static void register(CompletionSpiPackageAccessor accessor) {
46         if (INSTANCE != null) {
47             throw new IllegalStateException JavaDoc("Already registered"); // NOI18N
48 }
49         INSTANCE = accessor;
50     }
51     
52     public abstract CompletionResultSet createCompletionResultSet(
53     CompletionResultSetImpl impl);
54
55 }
56
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