Basic Auth a whole Play 2.0 Application

Global.java

public class Global extends GlobalSettings {

	@Override
	public Action onRequest(Request arg0, Method arg1) {
		return new Action.Simple() {
			public Result call(Context ctx) throws Throwable {
				String authConf = Config.getString("basic.auth");
				if (authConf == null)
					return delegate.call(ctx);
				String auth = ctx.request().getHeader("Authorization");
				if (auth == null)
					return authorize(ctx);
				String[] comps = auth.split(" ");
				if (comps.length != 2)
					return authorize(ctx);
				if (!"Basic".equals(comps[0]))
					return authorize(ctx);
				BASE64Decoder decoder = new sun.misc.BASE64Decoder();
				String credentials = new String(decoder.decodeBuffer(comps[1]));
				if (authConf.equals(credentials))
					return delegate.call(ctx);
				return authorize(ctx);
			}

			private Result authorize(Context ctx) {
				ctx.response().setHeader("WWW-Authenticate",
						"Basic realm=\"Secure-Me\"");
				return unauthorized();
			}
		};
	}
}