001/* Transferable.java -- Data transfer source 002 Copyright (C) 1999, 2002, 2005 Free Software Foundation, Inc. 003 004This file is part of GNU Classpath. 005 006GNU Classpath is free software; you can redistribute it and/or modify 007it under the terms of the GNU General Public License as published by 008the Free Software Foundation; either version 2, or (at your option) 009any later version. 010 011GNU Classpath is distributed in the hope that it will be useful, but 012WITHOUT ANY WARRANTY; without even the implied warranty of 013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014General Public License for more details. 015 016You should have received a copy of the GNU General Public License 017along with GNU Classpath; see the file COPYING. If not, write to the 018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 01902110-1301 USA. 020 021Linking this library statically or dynamically with other modules is 022making a combined work based on this library. Thus, the terms and 023conditions of the GNU General Public License cover the whole 024combination. 025 026As a special exception, the copyright holders of this library give you 027permission to link this library with independent modules to produce an 028executable, regardless of the license terms of these independent 029modules, and to copy and distribute the resulting executable under 030terms of your choice, provided that you also meet, for each linked 031independent module, the terms and conditions of the license of that 032module. An independent module is a module which is not derived from 033or based on this library. If you modify this library, you may extend 034this exception to your version of the library, but you are not 035obligated to do so. If you do not wish to do so, delete this 036exception statement from your version. */ 037 038 039package java.awt.datatransfer; 040 041import java.io.IOException; 042 043/** 044 * This interface is implemented by classes that can transfer data. 045 * 046 * @author Aaron M. Renn (arenn@urbanophile.com) 047 * @since 1.1 048 * @status updated to 1.4 049 */ 050public interface Transferable 051{ 052 /** 053 * This method returns a list of available data flavors for the data being 054 * transferred. The array returned will be sorted from most preferred 055 * flavor at the beginning to least preferred at the end. 056 * 057 * @return adA list of data flavors for this data 058 */ 059 DataFlavor[] getTransferDataFlavors(); 060 061 /** 062 * Tests whether or not this data can be delivered in the specified data 063 * flavor. 064 * 065 * @param flavor the data flavor to test 066 * @return true if the data flavor is supported 067 */ 068 boolean isDataFlavorSupported(DataFlavor flavor); 069 070 /** 071 * Returns the data in the specified <code>DataFlavor</code>. 072 * 073 * @param flavor the data flavor to return 074 * @return the data in the appropriate flavor 075 * @throws UnsupportedFlavorException if the flavor is not supported 076 * @throws IOException if the data is not available 077 * @see DataFlavor#getRepresentationClass 078 */ 079 Object getTransferData(DataFlavor flavor) 080 throws UnsupportedFlavorException, IOException; 081 082} // interface Transferable