index.jsp
<html>
<body>
<form action="serv13" method="post">
Enter Discount Code <input type="text" name="dcode">
<input type="submit" value="Find Rate">
</form>
</body>
</html>
----------------------------------------------------
// serv13.java
import java.io.IOException;
import java.io.PrintWriter;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import serv.DiscountCodeFacade;
public class serv13 extends HttpServlet {
@EJB
private DiscountCodeFacade discountCodeFacade;
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
try {
out.println("<html>");
out.println("<body>");
out.println("<h1>Disount Rate :" + discountCodeFacade.find(request.getParameter("dcode").charAt(0)).getRate() + "</h1>");
out.println("</body>");
out.println("</html>");
} finally {
out.close();
}
}
}
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