ObjectArrayTransfer


1   /*
2    * Created on 2003-nov-11
3    */
4   package org.columba.mail.gui.config.filter;
5   
6   import java.awt.datatransfer.DataFlavor  ;
7   import java.awt.datatransfer.Transferable  ;
8   import java.awt.datatransfer.UnsupportedFlavorException  ;
9   import java.io.IOException  ;
10  
11  import javax.swing.JComponent  ;
12  
13  
14  /**
15   * An Object array transfer.
16   *
17   *
18   * @author redsolo
19   */
20  public class ObjectArrayTransfer implements Transferable   {
21      /** The only <code>DataFlavor</code> that this transfer allows. */
22      public static DataFlavor   FLAVOR;
23  
24      static {
25          try {
26              FLAVOR = new DataFlavor  (DataFlavor.javaJVMLocalObjectMimeType);
27          } catch (Exception   ex) {
28              ex.printStackTrace();
29          }
30      }
31  
32      /** The JComponent that created this Transferable */
33      private JComponent   source;
34  
35      /** The data that is being transfered */
36      private Object  [] objectArray;
37  
38      /**
39   * Creates an object array transfer from the specified source.
40   * @param comp source component.
41   * @param arr the object array.
42   */
43      public ObjectArrayTransfer(JComponent   comp, Object  [] arr) {
44          source = comp;
45          objectArray = arr;
46      }
47  
48      /** {@inheritDoc}
49   * @return this object (ObjectArrayTransfer) */
50      public Object   getTransferData(DataFlavor   flavor)
51          throws UnsupportedFlavorException  , IOException   {
52          if (!isDataFlavorSupported(flavor)) {
53              throw new UnsupportedFlavorException  (flavor);
54          }
55  
56          return this;
57      }
58  
59      /** {@inheritDoc} */
60      public boolean isDataFlavorSupported(DataFlavor   flavor) {
61          return FLAVOR.equals(flavor);
62      }
63  
64      /** {@inheritDoc} */
65      public DataFlavor  [] getTransferDataFlavors() {
66          return new DataFlavor  [] { FLAVOR };
67      }
68  
69      /**
70   * Returns the source of this transfer.
71   * @return the source of this transfer.
72   */
73      public JComponent   getSource() {
74          return source;
75      }
76  
77      /**
78   * Returns the object array.
79   * @return the object array.
80   */
81      public Object  [] getData() {
82          return objectArray;
83      }
84  }
85
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