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Java > Open Source Codes > org > netbeans > modules > j2ee > ejbcore > ui > logicalview > ejb > shared > EjbTransferable


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.j2ee.ejbcore.ui.logicalview.ejb.shared;
21
22 import java.awt.datatransfer.DataFlavor JavaDoc;
23 import java.awt.datatransfer.Transferable JavaDoc;
24 import java.awt.datatransfer.UnsupportedFlavorException JavaDoc;
25 import org.netbeans.modules.j2ee.api.ejbjar.EjbReference;
26
27
28 /**
29  * Provide a class supporting Drag and Drop for Session and Entity Beans.
30  * @author Chris Webster
31  */
32 public class EjbTransferable implements Transferable JavaDoc {
33     private static final DataFlavor JavaDoc TEXT_FLAVOR =
34         new DataFlavor JavaDoc("text/plain; charset=unicode", null);
35     public static final DataFlavor JavaDoc EJB_FLAVOR =
36         new DataFlavor JavaDoc(EjbReference.class, "ejb ref");
37     
38     private final String JavaDoc stringRep;
39     private final EjbReference ref;
40     
41     public EjbTransferable(String JavaDoc stringRep, EjbReference ref) {
42         this.stringRep = stringRep;
43         this.ref = ref;
44     }
45     
46     public Object JavaDoc getTransferData(DataFlavor JavaDoc flavor) throws UnsupportedFlavorException JavaDoc {
47         if (TEXT_FLAVOR.equals(flavor)) {
48             return stringRep;
49         } else if (EJB_FLAVOR.equals(flavor)) {
50             return ref;
51         }
52         throw new UnsupportedFlavorException JavaDoc(flavor);
53     }
54     
55     public DataFlavor JavaDoc[] getTransferDataFlavors() {
56         return new DataFlavor JavaDoc[] {
57             TEXT_FLAVOR,
58             EJB_FLAVOR
59         };
60     }
61     
62     public boolean isDataFlavorSupported(DataFlavor JavaDoc flavor) {
63         return TEXT_FLAVOR.equals(flavor) ||
64         EJB_FLAVOR.equals(flavor);
65     }
66 }
67
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