import java.awt.datatransfer.*;
import java.awt.dnd.*;
import java.io.IOException;
import java.util.List;
import javax.swing.*;
/** 
 * @author Jove 
 */
public class DndFrame extends JFrame implements DropTargetListener {
  public static void main(String[] args) {
    new DndFrame().show();
  }
  private JLabel label;
  private DndFrame() {
    super("Test Drag and drop test");
    setBounds(100, 100, 400, 200);
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    new DropTarget(this, this);
    getContentPane().add(label = new JLabel());
  }
  public void dragEnter(DropTargetDragEvent dtde) {}
  public void dragExit(DropTargetEvent dte) {}
  public void dragOver(DropTargetDragEvent dtde) {}
  public void drop(DropTargetDropEvent evt) {
    Transferable t = evt.getTransferable();
    if (t.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
      evt.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
      try {
        List fileList =
          (List) t.getTransferData(DataFlavor.javaFileListFlavor);
        String s = fileList.toString();
        label.setText(s);
      } catch (UnsupportedFlavorException e) {
        e.printStackTrace();
      } catch (IOException e) {
        e.printStackTrace();
      }
    } else if (t.isDataFlavorSupported(DataFlavor.stringFlavor)) {
      evt.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
      try {
        String s = (String) t.getTransferData(DataFlavor.stringFlavor);
        label.setText(s);
      } catch (UnsupportedFlavorException e) {
        e.printStackTrace();
      } catch (IOException e) {
        e.printStackTrace();
      }
    } else {
      evt.rejectDrop();
    }
  }
  public void dropActionChanged(DropTargetDragEvent dtde) {}
}