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package java.awt.datatransfer;

import java.io.IOException;

Defines the interface for classes that can be used to provide data for a transfer operation.

For information on using data transfer with Swing, see How to Use Drag and Drop and Data Transfer, a section in The Java Tutorial, for more information.

Author: Amy Fowler
/** * 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).
Returns:an array of data flavors in which this data can be transferred
/** * 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.
Params:
  • flavor – the requested flavor for the data
Returns:boolean indicating whether or not the data flavor is supported
/** * 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.
Params:
  • flavor – the requested flavor for the data
Throws:
See Also:
/** * 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; }