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- 1. Tutorial: Server-Side Web Applications with Java, JSP and Tomcat Eran Toch December 2004 Methodologies in Information Systems Development
- 3. Web Application vs. Web Site Web Site Web Application
- 5. Java Web Application Architecture JSP Application Server Browser Servlet Java Classes / EJB HTTP / HTML DB / ERP / Legacy
- 9. Tomcat Installation – cont’d If you want Tomcat to startup every time the computer is rebooted, check the “service” option. If you wish to use Tomcat for only for development, it’s best to leave the service option unchecked.
- 10. Tomcat Installation - Port You can configure the port that Tomcat will be using. If you want it to be available publicly (behind firewalls etc), change the default port to 80. Otherwise, leave it as it is (880). You can always change it later, in the [TOMCAT_HOME]/conf/server.xml configuration file.
- 13. Managing Tomcat Console Web Application management Number of current sessions Start, stop, restart and un-deploy applications
- 24. PhoneEntry.java package edu.technion.methodologies.phones ; public class PhoneEntry { private int id = 0 ; private String name ; private String phone ; private String email ; public void load(int id ) { DBConnector.loadPhone(id, this ); } public void save () { if (id == 0 ) { id = DBConnector.insertPhone(this ); } else { DBConnector.updatePhone(id, this ); } } //getters and setters… }
- 30. select_entry.jsp – the HTML output
- 31. display_phone.jsp <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <%@ page import = "edu.technion.methodologies.phones.*" %> <HTML> <HEAD> <TITLE> Phone Entry </TITLE> </HEAD> <BODY> <% String idParam = request.getParameter( "id" ); int id = 0; if (idParam != null ){ id = Integer.parseInt(idParam); } PhoneEntry phoneEntry = new PhoneEntry(); phoneEntry.load(id); %> Handling the request Creating the JavaBean Importing libraries
- 33. display_phone.jsp – the HTML Output
- 36. JSP Include – cont’d … <BODY> <%@ include file = "header.jsp" %> <% … We add the include declarative into display_phone.jsp And we get:
- 41. Model 2 Architecture – cont’d .jsp .jsp Form request forward Database classes servlet VIEW CONTROLLER MODEL