package com.opensymphony.workflow.designer.dnd;import java.awt.datatransfer.DataFlavor;import java.awt.datatransfer.Transferable;import java.awt.datatransfer.UnsupportedFlavorException;import java.io.IOException;/** * @author Gulei */public class DragDataTransferable implements Transferable{  private DragData data;  public DragDataTransferable(DragData data)  {    this.data = data;  }  public DataFlavor[] getTransferDataFlavors()  {    return new DataFlavor[]{DragData.WORKFLOW_FLAVOR};  }  public boolean isDataFlavorSupported(DataFlavor arg0)  {    return arg0.equals(DragData.WORKFLOW_FLAVOR);  }  public Object getTransferData(DataFlavor arg0) throws UnsupportedFlavorException, IOException  {    if(arg0.equals(DragData.WORKFLOW_FLAVOR))    {      return data;    }    else    {      throw new UnsupportedFlavorException(arg0);    }  }}