Web Service Client

public class ClientServlet extends HttpServlet {
    @WebServiceRef(wsdlLocation = "http://localhost:8080/CalculatorApp/CalculatorWSService?wsdl")
    public CalculatorWSService service;
    
    @Resource
    protected WebServiceContext context;
    
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            out.println("<h2>Servlet ClientServlet at " + request.getContextPath () + "</h2>");
                
                org.me.calculator.client.CalculatorWS port = service.getCalculatorWSPort();
                
                int i = Integer.parseInt(request.getParameter("value1"));
                int j = Integer.parseInt(request.getParameter("value2"));

                int result = port.add(i, j);
             
                out.println("<br/>");
                out.println("Result:");
                out.println("" + i + " + " + j + " = " + result);
                ((Closeable)port).close();
            
        } finally { 
            out.close();
        }
    } 

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    @Override
    public String getServletInfo() {
        return "Short description";
    }
    // </editor-fold>
}