Clearing out folders - this deletes all files and folders (recursively) in a folder

clearout.java

	public static boolean clearOutDirectory(File rootDirectory)
	{
		if (!rootDirectory.exists() || (rootDirectory.isDirectory() && rootDirectory.listFiles().length == 0))
		{
			return true;
		}
		return recursivelyClearDirectory(rootDirectory);
	}

	private static boolean recursivelyClearDirectory(File parentDirectory)
	{
		for (File f : parentDirectory.listFiles())
		{
			if (f.isDirectory())
			{
				if (!recursivelyClearDirectory(f))
					return false;
			}
			if (!f.delete())
			{
				return false;
			}
		}
		return parentDirectory.listFiles().length == 0;
	}