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Java > Open Source Codes > com > sun > enterprise > tools > guiframework > view > descriptors > NoViewDescriptor


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the License). You may not use this file except in
5  * compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9  * glassfish/bootstrap/legal/CDDLv1.0.txt.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * Header Notice in each file and include the License file
15  * at glassfish/bootstrap/legal/CDDLv1.0.txt.
16  * If applicable, add the following below the CDDL Header,
17  * with the fields enclosed by brackets [] replaced by
18  * you own identifying information:
19  * "Portions Copyrighted [year] [name of copyright owner]"
20  *
21  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22  */
23
24 package com.sun.enterprise.tools.guiframework.view.descriptors;
25
26 import com.iplanet.jato.RequestContext;
27 import com.iplanet.jato.view.ContainerView;
28 import com.iplanet.jato.view.View;
29
30
31 /**
32  * This descriptor should be used for things such as ContentTag, CCHtmlHeader,
33  * and other ViewXML constructs which don't have a corresponding View class.
34  * The getInstance() method always returns null.
35  */
36 public class NoViewDescriptor extends DisplayFieldDescriptor {
37
38     /**
39      * Creates a View Descriptor which will not have a corresponding View.
40      */
41     public NoViewDescriptor(String JavaDoc name) {
42     super(name);
43     }
44
45
46     /**
47      * This is a factory method for instances, however, for this descriptor
48      * there is no peer View. This method always returns null.
49      *
50      * @param ctx The RequestContext
51      * @param container The container
52      */
53     public View getInstance(RequestContext ctx, ContainerView container, String JavaDoc name) {
54         // never need to create a child view.
55 return null;
56     }
57 }
58
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