Intro to Servlet, EJB, JSP, WS

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1 ! Introduction to J2EE (2) - EJB, Web Services J2EE iseminar ( ) iseminar Chat. 1

2 Who Are We? Business Solutions Consultant Oracle Application Server 10g Business Solutions Consultant Oracle10g 2

3 J2EE iseminar Series Agenda Day 1 J2EE Servlet JSP (JavaServer Pages) Day 2 Enterprise JavaBean Web Services J2EE 3

4 Enterprise JavaBeans EJB EJB Entity bean Session bean Message driven bean 4

5 Entity Beans Persistent: Container-Managed Persistence (CMP) Bean-Managed Persistence (BMP) 5

6 Session Beans, session bean: Stateless, Stateful, 6

7 Message Driven Beans JMS stateless, asynchronous bean, JMS 7

8 EJB Container EJB J2EE EJB Container Client Interfaces Home EJB Bean EJB Bean J2EE Server 8

9 Interface Access EJB Container Remote Client Application Remote Interfaces Home EJB Bean EJB Bean Local Interfaces Home Local Client Application 9

10 EJB / EJB Home interface Remote interface Bean class Other classes WAR WAR JAR JAR Deployment descriptor EJB-JAR JAR EAR EJB-JAR JAR war war J2EE Container EJB Container EJB Container 10

11 XML/SOAP - HTML 11

12 /EJB JMS PL/SQL HTML SOAP EJBs / 12

13 J2EE J2EE J2EE Web services J2EE 1.4 JAX-RPC, JAXR, JAXB, JAXP, JSR109 J2EE Packaging, transactions, security, lifecycle Web Services Component Model Transactions and Security Connectivity Lifecycle Services J2EE Container 13

14 D E M O N S T R A T I O N EJB 14

15 EJB EJB EJB Persistence J2EE 15

16 J2EE iseminar Series Agenda Day 1 J2EE Servlet JSP (JavaServer Pages) Day 2 Enterprise JavaBean Web Services J2EE 16

17 Java IDE Source: Gartner 17

18 : ( ) ( ) ( ) Model-View-Controller (MVC) 18

19 MVC Display Controller routing User Interface Model Data and Transactions Submit Page View User Interface Model Model Events Controller View Request Data Model state encapsulation 19

20 Model (1) Business Services (Persistence) Validation View Controller Model Business Services : Enterprise JavaBeans (EJB) (ADF ) TopLink Web services Java Classes 20

21 Model (2) Business Service Business Service Business Service,, drag & drop 21

22 D E M O N S T R A T I O N Building Models 22

23 The View concept Controller UI View Model UI (, PDA, ) 23

24 View Technologies JSP JavaServer Faces Swing Wireless 24

25 Controller Controller? View Model request response Model View 25

26 J2EE Apache Struts Apache Software Foundation (XML ) JSP model 2 ADF JavaServer Faces 26

27 Struts Page Flow Modeling 27

28 Struts Configuration struts-config.xml (abstractions) <?XML version = '1.0'?> <struts-config> </struts-config> 28

29 D E M O N S T R A T I O N Building Page Flows and JSP Pages 29

30 Summary MVC Visual Declarative (ADF) J2EE best practice 30

31 J2EE iseminar Series Agenda Day 1 J2EE Servlet JSP (JavaServer Pages) Day 2 Enterprise JavaBean Web Services J2EE 31

32 What s Next 32

33 Best Practices for J2EE Development EJB MVC Struts Tuning and Debugging J2EE 33

34 For More Information PIN: , Struts documentation Discussion forum 34

35 Q U E S T I O N S A N S W E R S 35

36 otn.oracle.com, otn.oracle.co.kr Join Over 3,000,000 Developers! Free Technical Advice Free Software Downloads otn.oracle.com/tech/java, otn.oracle.co.kr/tech/java 36

J2EE Concepts

J2EE Concepts ! Introduction to J2EE (1) - J2EE Servlet/JSP/JDBC iseminar.. 1544-3355 ( ) iseminar Chat. 1 Who Are We? Business Solutions Consultant Oracle Application Server 10g Business Solutions Consultant Oracle10g