/* ======================================================================
   Parts Copyright 2006 University of Leeds, Oxford University, University of the Highlands and Islands.

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.

====================================================================== */

package org.bodington.applet.data;

import java.awt.datatransfer.*;

import java.io.*;

public class LocalFileSelection implements java.awt.datatransfer.Transferable
    {
	
	public static final DataFlavor localFileSelectionFlavor
		= new DataFlavor( 
			DataFlavor.javaJVMLocalObjectMimeType, 
			"A reference to one or more files in the local file system." );

	public static final DataFlavor[] list = new DataFlavor[1];
	
	static
		{
		list[0] = localFileSelectionFlavor;
		}


	public File[] selection;
	
	public LocalFileSelection( File single )
	    {
	    selection = new File[1];
	    selection[0] = single;
	    }

	public LocalFileSelection( File[] list )
		{
		selection = list;
		}

	
    public Object getTransferData(DataFlavor flavor)
        throws UnsupportedFlavorException, IOException
   	    {
   	    if ( flavor != localFileSelectionFlavor )
   		    throw new UnsupportedFlavorException( flavor );
   		
        return this;
   	    }

    public DataFlavor[] getTransferDataFlavors()
   	    {
        return list;
   	    }

    public boolean isDataFlavorSupported(DataFlavor flavor)
   	    {
   	    return flavor == localFileSelectionFlavor;
   	    }

    public File[] getFileList()
        {
        return selection;
        }
    }