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package org.javaee7.concurrency.dynamicproxy;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import javax.annotation.Resource;
import javax.enterprise.concurrent.ContextService;
import javax.enterprise.concurrent.ManagedThreadFactory;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* @author Arun Gupta
*/
@WebServlet(urlPatterns = { "/TestMultipleInterfaceServlet" })
public class TestMultipleInterfaceServlet extends HttpServlet {
// @Resource(name = "java:comp/DefaultManagedThreadFactory")
@Resource
ManagedThreadFactory factory;
// @Resource(name = "java:comp/DefaultContextService")
@Resource
ContextService service;
/**
* Processes requests for both HTTP
* <code>GET</code> and
* <code>POST</code> methods.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
try (PrintWriter out = response.getWriter()) {
out.println("<html>");
out.println("<head>");
out.println("<title>Creating contextual proxy (with multiple interfaces)</title>");
out.println("</head>");
out.println("<body>");
out.println("<h1>Creating contextual proxy (with multiple interfaces)</h1>");
Object proxy = service.createContextualProxy(new MyRunnableWork(), Runnable.class, MyWork.class);
out.println("Calling MyWork interface<br>");
((MyWork) proxy).myWork();
out.println("Creating Java SE style ExecutorService<br>");
ExecutorService executor = Executors.newFixedThreadPool(10, factory);
out.println("Submitting the task<br>");
Future f = executor.submit((Runnable) proxy);
out.println("done<br><br>");
out.println("Check server.log for output from the task.");
out.println("</body>");
out.println("</html>");
}
}
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
/**
* Handles the HTTP
* <code>GET</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Handles the HTTP
* <code>POST</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Returns a short description of the servlet.
*
* @return a String containing servlet description
*/
@Override
public String getServletInfo() {
return "Short description";
}// </editor-fold>
}