/*
 * Copyright (c) 2017, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package client;

import jakarta.servlet.*;
import jakarta.servlet.http.*;
import javax.naming.InitialContext;
import jakarta.transaction.UserTransaction;
import java.io.IOException;
import java.io.PrintWriter;

import jakarta.xml.ws.*;
import service.web.example.calculator.*;

public class Client extends HttpServlet {

       @WebServiceRef(name="sun-web.serviceref/calculator") CalculatorService service;

       public void doGet(HttpServletRequest req, HttpServletResponse resp)
                throws jakarta.servlet.ServletException {
           doPost(req, resp);
       }

       public void doPost(HttpServletRequest req, HttpServletResponse resp)
              throws jakarta.servlet.ServletException {
            UserTransaction ut = null;
            try {
                ut = (UserTransaction) new InitialContext().lookup("java:comp/UserTransaction");
                ut.begin();

                System.out.println(" Service is :" + service);
                Calculator port = service.getCalculatorPort();
                int ret = port.add(1, 2);
                ut.commit();
                PrintWriter out = resp.getWriter();
                resp.setContentType("text/html");
                out.println("<html>");
                out.println("<head>");
                out.println("<title>TestServlet</title>");
                out.println("</head>");
                out.println("<body>");
                out.println("<p>");
                out.println("So the RESULT OF Calculator add SERVICE IS :");
                out.println("</p>");
                out.println("[" + ret + "]");
                out.println("</body>");
                out.println("</html>");
                out.flush();
                out.close();
            } catch(Exception e) {
                try {
                        if(ut != null)
                                ut.rollback();
                } catch (Exception ex) {
                        ex.printStackTrace();
                }
                e.printStackTrace();
            }
       }
}