In this EJB-JPA tutorial, we will create html form in the JSP and persist the SavingsAc record via the EntityManager which managed by the Stateless Session bean.
JSP File [Client Code]
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<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <%--Sample 3.9: Page Include Directive --%> <%@ page import='javax.naming.InitialContext'%> <%@ page import='tube.codingexamples.ejb.statelessbean.SavingAcBeanRemote'%> <%@ page import='javax.naming.NamingException'%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Create New Savings Ac</title> </head> <body> <!-- Sample 3.10: Account Creation Form --> <FORM action="CreateNewAccount.jsp"> <h1>Savings Account Creation Form</h1> Enter Your Name: <br> <input name="person_name" type="text" size="25" value=""><br> Initial Amount: <br> <Input name="balance" type="text" size="5" value=""><br> <input name="NewAc" type="submit" value="Submit"><br> </FORM> <% //Sample 3.11: Create Session Bean and Submit Account Creation Request String PersonName = request.getParameter("person_name"); String InitBalance = request.getParameter("balance"); if (PersonName != null && PersonName.trim().length() > 0) { try { InitialContext ctx = new InitialContext(); SavingAcBeanRemote accontMgr = (SavingAcBeanRemote) ctx.lookup("java:global/EJBEar/EJBBean/SavingAcBean!" + "tube.codingexamples.ejb.statelessbean.SavingAcBeanRemote"); int balance = new Integer(InitBalance).intValue(); int id = accontMgr.newAccount(PersonName, balance); out.println("Account created. Account holder Personal ID <h2" + "style=\"font-size: 16pt; color: teal; font-family: Verdana;\">" + id + "</h2>"); } catch (NamingException e) { e.printStackTrace(); } } %> </body> </html> |
Categories: JavaEE-EJB-Tube
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