Java: Add Jar File to Windows Startup

Test31.java

package dany.test3;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.URI;
import java.net.URISyntaxException;

import sun.awt.OSInfo;
import sun.awt.OSInfo.OSType;

public class Test31
{
	public static final String programName = "MyProgram";
	
	public static void main(String[] args) throws Throwable
	{
		if (args[0].equals("-ADD"))
		{
			// Catch IOException
			addToStartup("-DELETE", false);
		}
		else if (args[0].equals("-DELETE"))
		{
			// Catch IOException and URISyntaxException
			addToStartup(null, true);
		}
	}
	
	/**
	 * Add a jar file to windows startup
	 * @param jarFile Jar File
	 * @param args Arguments line
	 * @param delete <code>true</code> to delete it from startup if exists, <code>false</code> to add
	 * @throws IOException Reading/writing failed, maybe not enough rights
	 */
	public static void addToStartup(File jarFile, String args, boolean delete) throws IOException
	{
		if (OSInfo.getOSType() == OSType.WINDOWS)
		{
			File startupFolder = new File(System.getenv("APPDATA") + "\\Microsoft\\Windows\\Start Menu\\Programs\\Startup");
			File batch = new File(startupFolder, programName + ".bat");
			if (delete)
			{
				// Removing from startup...
				if (batch.exists())
				{
					batch.delete();
				}
				// Removing from startup finished
			}
			else
			{
				// Adding to startup...
				if (!batch.exists())
				{
					batch.createNewFile();
				}
				PrintWriter bw = new PrintWriter(batch);
				bw.println("javaw -jar \"" + jarFile.getPath() + "\" " + args);
				bw.close();
				// Adding to startup finished
			}
		}
		else
		{
			// Unsupported OS
		}
	}
	
	/**
	 * Add a current jar file to windows startup
	 * @param args Arguments line
	 * @param delete <code>true</code> to delete it from startup if exists, <code>false</code> to add
	 * @throws IOException Reading/writing failed, maybe not enough rights
	 * @throws URISyntaxException Failed to get current jar file URI
	 */
	public static void addToStartup(String args, boolean delete) throws IOException, URISyntaxException
	{
		URI jar = Test31.class.getProtectionDomain().getCodeSource().getLocation().toURI();
		addToStartup(new File(jar), args, delete);
	}
}