/*******************************************************************************
 * Copyright (c) 2000, 2012 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.swt.dnd;

/**
 * The class <code>FileTransfer</code> provides a platform specific mechanism
 * for converting a list of files represented as a java <code>String[]</code> to
 * a platform specific representation of the data and vice versa. Each
 * <code>String</code> in the array contains the absolute path for a single file
 * or directory.
 * 
 * <p>
 * An example of a java <code>String[]</code> containing a list of files is
 * shown below:
 * </p>
 * 
 * <code><pre>
 *     File file1 = new File("C:\temp\file1");
 *     File file2 = new File("C:\temp\file2");
 *     String[] fileData = new String[2];
 *     fileData[0] = file1.getAbsolutePath();
 *     fileData[1] = file2.getAbsolutePath();
 * </code></pre>
 * 
 * @see Transfer
 */
public class FileTransfer extends ByteArrayTransfer {

	private static FileTransfer _instance = new FileTransfer();

	private FileTransfer() {
	}

	/**
	 * Returns the singleton instance of the FileTransfer class.
	 * 
	 * @return the singleton instance of the FileTransfer class
	 */
	public static FileTransfer getInstance() {
		return _instance;
	}

	/**
	 * This implementation of <code>javaToNative</code> converts a list of file
	 * names represented by a java <code>String[]</code> to a platform specific
	 * representation. Each <code>String</code> in the array contains the
	 * absolute path for a single file or directory.
	 * 
	 * @param object
	 *            a java <code>String[]</code> containing the file names to be
	 *            converted
	 * @param transferData
	 *            an empty <code>TransferData</code> object that will be filled
	 *            in on return with the platform specific format of the data
	 * 
	 * @see Transfer#nativeToJava
	 */
	@Override
	public void javaToNative(Object object, TransferData transferData) {
		// TODO
	}

	/**
	 * This implementation of <code>nativeToJava</code> converts a platform
	 * specific representation of a list of file names to a java
	 * <code>String[]</code>. Each String in the array contains the absolute
	 * path for a single file or directory.
	 * 
	 * @param transferData
	 *            the platform specific representation of the data to be
	 *            converted
	 * @return a java <code>String[]</code> containing a list of file names if
	 *         the conversion was successful; otherwise null
	 * 
	 * @see Transfer#javaToNative
	 */
	@Override
	public Object nativeToJava(TransferData transferData) {
		// TODO
		return null;
	}

	@Override
	protected String[] getTypeNames() {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	protected int[] getTypeIds() {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	public TransferData[] getSupportedTypes() {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	public boolean isSupportedType(TransferData transferData) {
		// TODO Auto-generated method stub
		return false;
	}

}