01: /*
02: * @(#)Transferable.java 1.13 06/10/10
03: *
04: * Copyright 1990-2006 Sun Microsystems, Inc. All Rights Reserved.
05: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License version
09: * 2 only, as published by the Free Software Foundation.
10: *
11: * This program is distributed in the hope that it will be useful, but
12: * WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * General Public License version 2 for more details (a copy is
15: * included at /legal/license.txt).
16: *
17: * You should have received a copy of the GNU General Public License
18: * version 2 along with this work; if not, write to the Free Software
19: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA
21: *
22: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
23: * Clara, CA 95054 or visit www.sun.com if you need additional
24: * information or have any questions.
25: *
26: */
27:
28: package java.awt.datatransfer;
29:
30: import java.io.IOException;
31:
32: /**
33: * Defines the interface for classes that can be used to provide data
34: * for a transfer operation.
35: *
36: * @version 1.8, 02/02/00
37: * @author Amy Fowler
38: */
39:
40: public interface Transferable {
41: /**
42: * Returns an array of DataFlavor objects indicating the flavors the data
43: * can be provided in. The array should be ordered according to preference
44: * for providing the data (from most richly descriptive to least descriptive).
45: * @return an array of data flavors in which this data can be transferred
46: */
47: public DataFlavor[] getTransferDataFlavors();
48:
49: /**
50: * Returns whether or not the specified data flavor is supported for
51: * this object.
52: * @param flavor the requested flavor for the data
53: * @return boolean indicating wjether or not the data flavor is supported
54: */
55: public boolean isDataFlavorSupported(DataFlavor flavor);
56:
57: /**
58: * Returns an object which represents the data to be transferred. The class
59: * of the object returned is defined by the representation class of the flavor.
60: *
61: * @param flavor the requested flavor for the data
62: * @see DataFlavor#getRepresentationClass
63: * @exception IOException if the data is no longer available
64: * in the requested flavor.
65: * @exception UnsupportedFlavorException if the requested data flavor is
66: * not supported.
67: */
68: public Object getTransferData(DataFlavor flavor)
69: throws UnsupportedFlavorException, IOException;
70: }
|