74 lines
3.0 KiB
Java
74 lines
3.0 KiB
Java
/*
|
|
* Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation. Oracle designates this
|
|
* particular file as subject to the "Classpath" exception as provided
|
|
* by Oracle in the LICENSE file that accompanied this code.
|
|
*
|
|
* This code 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
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
package java.awt.datatransfer;
|
|
|
|
import java.io.IOException;
|
|
|
|
/**
|
|
* Defines the interface for classes that can be used to provide data
|
|
* for a transfer operation.
|
|
* <p>
|
|
* For information on using data transfer with Swing, see
|
|
* <a href="https://docs.oracle.com/javase/tutorial/uiswing/dnd/index.html">
|
|
* How to Use Drag and Drop and Data Transfer</a>,
|
|
* a section in <em>The Java Tutorial</em>, for more information.
|
|
*
|
|
* @author Amy Fowler
|
|
*/
|
|
|
|
public interface Transferable {
|
|
|
|
/**
|
|
* Returns an array of DataFlavor objects indicating the flavors the data
|
|
* can be provided in. The array should be ordered according to preference
|
|
* for providing the data (from most richly descriptive to least descriptive).
|
|
* @return an array of data flavors in which this data can be transferred
|
|
*/
|
|
public DataFlavor[] getTransferDataFlavors();
|
|
|
|
/**
|
|
* Returns whether or not the specified data flavor is supported for
|
|
* this object.
|
|
* @param flavor the requested flavor for the data
|
|
* @return boolean indicating whether or not the data flavor is supported
|
|
*/
|
|
public boolean isDataFlavorSupported(DataFlavor flavor);
|
|
|
|
/**
|
|
* Returns an object which represents the data to be transferred. The class
|
|
* of the object returned is defined by the representation class of the flavor.
|
|
*
|
|
* @param flavor the requested flavor for the data
|
|
* @see DataFlavor#getRepresentationClass
|
|
* @exception IOException if the data is no longer available
|
|
* in the requested flavor.
|
|
* @exception UnsupportedFlavorException if the requested data flavor is
|
|
* not supported.
|
|
*/
|
|
public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException;
|
|
|
|
}
|