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/* Transferable.java -- Data transfer source
Copyright (C) 1999 Free Software Foundation, Inc.
This file is part of the non-peer AWT libraries of GNU Classpath.
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published
by the Free Software Foundation, either version 2 of the License, or
(at your option) any later verion.
This library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; if not, write to the Free Software Foundation
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 USA. */
package java.awt.datatransfer;
import java.io.IOException;
/**
* This interface is implemented by classes that can transfer data.
*
* @author Aaron M. Renn (arenn@urbanophile.com)
*/
public interface Transferable
{
/**
* Returns the data in the specified <code>DataFlavor</code>
*
* @param flavor The data flavor to return.
*
* @return The data in the appropriate flavor.
*
* @exception UnsupportedFlavorException If the flavor is not supported.
* @exception IOException If the data is not available.
*/
public abstract Object
getTransferData(DataFlavor flavor) throws UnsupportedFlavorException,
IOException;
/*************************************************************************/
/**
* This method returns a list of available data flavors for the
* data being transferred. The array returned will be sorted from most
* preferred flavor at the beginning to least preferred at the end.
*
* @return A list of data flavors for this data.
*/
public abstract DataFlavor[]
getTransferDataFlavors();
/*************************************************************************/
/**
* Tests whether or not this data can be delivered in the specified
* data flavor.
*
* @param flavor The data flavor to test.
*
* @return <code>true</code> if the data flavor is supported,
* <code>false</code> otherwise.
*/
public abstract boolean
isDataFlavorSupported(DataFlavor flavor);
} // interface Transferable
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