JEditTransferable.java

/*
 * JEditTransferable.java
 * :tabSize=4:indentSize=4:noTabs=false:
 * :folding=explicit:collapseFolds=1:
 *
 * Copyright (C) 2010 Matthieu Casanova
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or any later version.
 *
 * This program 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package org.gjt.sp.jedit.datatransfer;

import java.awt.datatransfer.*;
import java.io.IOException;
import java.util.Map;

/**
 * @author Matthieu Casanova
 * @since jEdit 4.4.x
 */
public class JEditTransferable implements Transferable
{
	private final DataFlavor[] dataFlavors;

	private final Map<DataFlavor, Transferable> flavors;

	public JEditTransferable(Map<DataFlavor, Transferable> flavors)
	{
		this.flavors = flavors;
		dataFlavors = flavors.keySet().toArray(new DataFlavor[flavors.size()]);
	}

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

	public boolean isDataFlavorSupported(DataFlavor flavor)
	{
		return flavors.containsKey(flavor);
	}

	public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException
	{
		if (!isDataFlavorSupported(flavor))
			throw new UnsupportedFlavorException(flavor);
		Transferable transferable = flavors.get(flavor);
		return transferable.getTransferData(flavor);
	}
}