/* Transferable.java -- Data transfer source
   Copyright (C) 1999, 2002 Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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any later version.

GNU Classpath 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
General Public License for more details.

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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
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As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
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this exception to your version of the library, but you are not
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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>
 * @since 1.1
 * @status updated to 1.4
 */
public interface Transferable
{
  /**
   * 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 adA list of data flavors for this data
   */
  DataFlavor[] getTransferDataFlavors();

  /**
   * Tests whether or not this data can be delivered in the specified data
   * flavor.
   *
   * @param flavor the data flavor to test
   * @return true if the data flavor is supported
   */
  boolean isDataFlavorSupported(DataFlavor flavor);

  /**
   * Returns the data in the specified <code>DataFlavor</code>.
   *
   * @param flavor the data flavor to return
   * @return the data in the appropriate flavor
   * @throws UnsupportedFlavorException if the flavor is not supported
   * @throws IOException if the data is not available
   * @see DataFlavor#getRepresentationClass
   */
  Object getTransferData(DataFlavor flavor)
    throws UnsupportedFlavorException, IOException;

} // interface Transferable