Cross Site Access via JSONP

Api.java

public abstract class Api extends HttpServlet {
   
    protected void responder(JSONObject resultado, HttpServletResponse response, String callback) {
        try {
            response.setContentType("text/javascript;charset=utf-8");
            response.setHeader("Access-Control-Allow-Headers", "Content-Type, x-xsrf-token");
            PrintWriter out = response.getWriter();
            String saida = callback + "(" + resultado + ");";
            out.print(saida);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

cliente.js

'use strict';

angular.module('pegasusMobileApp')
    .controller('ClienteCtrl', function ($scope, clientesFactory, $location) {
        // termo da busca
        $scope.termo = "";
        $scope.clientes = clientesFactory.query({
            acao: 'index',
            termo: $scope.termo
        });
        console.log($scope.clientes);
    });

clientes-factory.js

'use strict';

angular.module('pegasusMobileApp')
    .factory('clientesFactory', function ($resource) {
        return $resource('http://localhost:8084/pegasus/api/cliente/', {
            callback: 'JSON_CALLBACK'
        }, {
            query: {
                method: 'JSONP'
            }
        });
    });