Java EE Introduction

• Java EE Overview
• Java EE Technologies
• Java EE Architecture
• MVC

Servlets and JSP with JSP Standard Tag Library (JSTL)

Web Application Basics

• How the Web works, Thin Clients,  TCP/IP
• HTTP overview, Brief HTML review
• Overview of Java EE, servlets & Web applications.
• Servlet Basics
• Labs:
  • Create a web application with an HTML form which will eventually be processed by a servlet
  • Create a simple servlet

Servlet API

• HTML Forms,
• HTTP: Request-response, headers, GET, POST
• Overview: How Servlets Work
  • Servlet Lifecycle: init(), service(), destroy()
  • Requests and responses
• Core Servlet API: GenericServlet, ServletRequest, and ServletResponse
• HTTP Servlets: HttpServletRequest , HttpServletResponse and HttpServlet
• Accessing Parameters
• Labs:
  • Create and invoke a simple product search servlet and configure the web app to use it.
  • Retrieve parameters

Additional Servlet Capabilities

• HTTP headers and MIME types
• RequestDispatcher: Including and forwarding
• Sharing data with the request object attributes
• Sharing data with ServletContext attributes
• Error Handling
• Labs:
  • Add search functionality with a utility class
  • Validate data and redirect back to the requesting form using RequestDispatcher

JavaServer Pages

• Basics and Overview
  • JSP architecture
  • JSP tags and JSP expressions
  • Fixed Template Data
  • Lifecycle of a JSP
• Model View Controller (MVC)
  • Model 1/Model 2 Architecture
• Data Sharing among servlets & JSP
  • Object scopes or “buckets”
  • Request, application, session and page scope
  • Predefined JSP implicit objects (request, session, application, page)
  • <jsp:useBean>
  • <jsp:getProperty>, <jsp:setProperty>
  • <jsp:include>, <jsp:forward>
• Labs:
  • Create a simple JSP page, and forwarding to it
  • Use JavaBeans in a JSP page
  • Include a JSP using jsp:include

Using Custom Tags

• Custom tags overview
• Reducing JSP complexity
• Tag Libraries
  • Tag Library Descriptor (TLD)
  • Loading a tag library in a web app
• The JSTL
• JSP Expression Language (EL)
• Using custom tags
  • The c:url, c:param, c:forEach, c:out tags
• Labs:
  • Use custom tags in JSP
  • Use JSTL custom tags to iterate

More JSP Capabilities and Session Management

• HTTP as a stateless protocol
• Hidden form fields
• Cookies: Overview , API, Using cookies
• Session overview: Cookies and session tracking
• HttpSession
  • Putting data into a session object
  • Retrieving data from a session object
• Using session data in servlets and JSPs
• Additional JSP Capabilities
  • Exception handling and error pages
  • Directives (page, include, others)
• Import declarations
• Multithreading considerations and data safety
  • SingleThreadModel interface
• Labs:
  • Create a shopping cart & store it in a session
  • Put items in cart with servlet, display with JSP
  • URL Rewriting

Additional JSP Capabilities

• JSP Directives
• JSP Error Pages
• JSP and Java
  • Declarations, Scriptlet overview, Scriptlet syntax
• Labs:
  • Create an error page
  • (Optional) Create JSP pages using scriptlets

More JSTL

• Overview of JSTL libraries
• The JSTL Expression Language
  • Expressions, Type Coercion, Operators, String concatenation, Implicit Objects
• The Core JSTL Library
  • General Purpose: c:out, c:set, c:catch
  • Conditional: c:if, c:choose,
• Overview of other capabilities
• Labs:
  • Using c:if, c:choose, c:when and c:otherwise to customize output

Additional Topics

• Servlet Filter overview
  • Filtering examples, lifecycle, & filter chains
  • Filter API, Modifying a request, Modifying a response
• Struts Overview
  • Advanced MVC – Struts overview
  • Command and State patterns
  • Struts View and Controller elements

JDBC

Introduction

• Relational Database and JDBC Overview
  • Overview, Table Relationships, Web Based Data Access, JDBC Characteristics
• JDBC Architecture, JDBC API Overview
  • DriverManager, JDBC Drivers
  • Naming databases with JDBC URLs
• Connecting to a database
  • Connection interface, Establishing a connection
• DataBaseMetaData
• Handling Database Exceptions

Data Access

• DAO – Data Access Objects, O-R Mapping, Value Objects
• Processing Database Data
  • Executing statements, precompiled statements and stored procedures
  • Processing ResultSets,
  • Dealing with Null data
  • Updating, inserting, retrieving data
  • Controlling Transactions
• JDBC Driver Types
• DataSource
  • Java EE and DataSource, Using JNDI
• Connection Pooling
  • Overview, Usage, Advantages
• Labs:
  • Lab series creating DAO using JBDC

Advanced Topics

• Other Database Access Technologies
  • SQLJ, O-R Mapping Tools, JDO (Java Data Objects), EJB Entity Beans
• Advanced JDBC Features
  • Batch Updates, Srollable Result Sets, Rowsets, User Defined Types, BLOBS, CLOBS

Component Integration and EJB

Database Integration

• Web Architecture choices
• Connecting servlets to a database via DataSource

EJB

• Overview of EJB
• High-level EJB architecture
• Roles within EJB
• Client view of a session bean
• JNDI (Java Naming and Directory Interface)
• Remote and Home Interfaces
• Writing an EJB client

Other Technologies

• XML and Web Services
• JMS – Java Message Service

Labs

• Accessing a database from a servlet
• Accessing an EJB from a servlet