@Override
	public void doFilter(ServletRequest req, ServletResponse res,
			FilterChain chain) throws IOException, ServletException {
		
		HttpServletResponse response = (HttpServletResponse) res;
		HttpServletRequest request = (HttpServletRequest) req;
		response.setHeader("Access-Control-Allow-Origin", "*");
		response.setHeader("Access-Control-Allow-Methods", "POST, PUT, GET, OPTIONS, DELETE");
		response.setHeader("Access-Control-Allow-Headers", "x-auth-token, x-requested-with");
		response.setHeader("Access-Control-Max-Age", "3600");
		if (request.getMethod()!="OPTIONS") {
			chain.doFilter(req, res);
		} else {
		}
		
	}

.controller('home', function($scope, $http) {
  $http.get('token').success(function(token) {
    $http({
      url : 'http://localhost:9000',
      method : 'GET',
      headers : {
        'X-Auth-Token' : token.token
      }
    }).success(function(data) {
      $scope.greeting = data;
    });
  })
})