@RequestMapping(method = RequestMethod.POST,value = "/checkUserName", headers = "Accept=application/json")
public org.weber.nag.model.UserRegistration checkUserName(@RequestBody org.weber.nag.model.UserRegistration userReg, Model model) {
    userDao.getAllUsers(userReg);
    System.out.println(userDao.getAllUsers(userReg));
    model.addAttribute("success", userReg);
    return userReg;
}

angular.module('ngMailChimp', ['ngAria', 'ngMessages', 'ngAnimate'])
.controller('SignUpController', function ($scope, $http) {
    var ctrl = this,
        newCustomer = { firstName:'',lastName:'',email:'',streetName:'',aptName:'',cityName:'',stateName:'',countryName:'', zipName:'', userName:'',password:'' };

    var signup = function () {
        if( ctrl.signupForm.$valid) {
            ctrl.showSubmittedPrompt = true;
            userNameValidation();
           // submitForm();
            clearForm();
        }
    };


    var clearForm = function () {
        ctrl.newCustomer = { firstName:'',lastName:'',email:'',streetName:'',aptName:'',cityName:'',stateName:'',countryName:'', zipName:'', userName:'',password:'' };
        ctrl.signupForm.$setUntouched();
        ctrl.signupForm.$setPristine();
    };

    var submitForm = function() {

         var formData = {
                'firstName' : $scope.ctrl.newCustomer.firstName,
                'lastName'  : $scope.ctrl.newCustomer.lastName,
                'email'     : $scope.ctrl.newCustomer.email,
                'streetName': $scope.ctrl.newCustomer.streetName,
                'aptNumber' : $scope.ctrl.newCustomer.aptName,
                'city'      : $scope.ctrl.newCustomer.cityName,
                'state'     : $scope.ctrl.newCustomer.stateName,
                'country'   : $scope.ctrl.newCustomer.countryName,
                'zip'       : $scope.ctrl.newCustomer.zipName,
                'userName'  : $scope.ctrl.newCustomer.userName,
                'password'  : $scope.ctrl.newCustomer.password
         };

         var response = $http.post('http://localhost:8080/Weber/user/save', formData);
         response.success(function(data, status, headers, config) {
            alert( "Congrats,"+JSON.stringify(data.firstName)+" Welcome aboard.");
             $scope.list.push(data);
         });
         response.error(function(data, status, headers, config) {
             alert( "Error Details1: " + JSON.stringify({data: data}));
         });
    }

    var userNameValidation = function() {

         var formData = {
                 'userName'  : $scope.ctrl.newCustomer.userName
          };