B2-Servlet-0112.PDF

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2 B-2 Servlet/JSP

3 Agenda J2EE Oracle8i J2EE Java Servlet JavaServer Pages

5 PDA (

6 J2EE Java2 Enterprise Edition API API J2SE JSP Servlets RMI/IIOP EJB JNDI JTA JDBC JMS JavaMail JAF Java2 Standard Edition Java Server Pages Servlet API RMI over IIOP Enterprise JavaBeans Java Naming and Directory Interface Java Transaction API Java Database Connectivity Java Messaging Services JavaMail API JavaBeans Activation Framework

7 J2EE Browser Servlet JSP EJB Database Legacy ERP EIS (Enterprise Information Systems)

8 J2EE API ( Servlet,, JSP, EJB

9 EJB, Servlet, JSP Write Once Deploy Anywhere! Oracle8i JServer

10 Oracle8i JDeveloper JSP/Servlet Servlet

11 Agenda J2EE Oracle8i J2EE Java Servlet JavaServer Pages

Database Java Beans Java Platform EJB Components Java

12 Oracle8i/J2EE Client Presentation Server Application Server Data Server Browser HTML WebServer JSP Servlet AppServer Database Java Beans Java Platform EJB Components Java Platform Java Stored Procedures Java Stored Procedures ias + Oracle8i

13 Servlet/JSP/EJB Oracle8i HTTP Servlet EJB Java Stored Procedures JSP Servlet EJB ias ias ias

14 Oracle8i JDBC-Server HTTP Servlet JDBC Server Driver Web Database Server

15 Oracle8i ias MTS( Client 1 Client 2 HTTP Listener HTTP/Net*8 JVM Servlet JSP Client 3 JVM Servlet Client 4 ias(mod_ose) Dispatcher JVM Server Process JSP

16 Oracle Servlet Engine Oracle8i Web JavaVM JDBC Servlet 2.2 JSP 1.1

17 Agenda J2EE Oracle8i J2EE Java Servlet JavaServer Pages

18 Java Servlet Web Servlet Write Once, Deploy Anywhere Web WAR(Web ARchive) Servlet JSP (web.xml)

19 Java Servlet Web Java API JDBC/SQLJ/CORBA/EJB/BC4J Java API

20 Java Servlet OS Web Server request Browser response Servlet Servlet

21 Java Servlet

22 Java Servlet 1 2 (init) 3 (doget) (destroy) 4

23 API javax.servlet servlet javax.servlet.http Servlet ServletConfig ServletContext ServletRequest ServletResponse SingleThreadModel GenericServlet ServletInputStream ServletOutputStream ServletException UnavailableException

24 javax.servlet.servlet API Servlet GenericServlet HTTPServlet MyServlet

25 2 ServletRequest ServletResponse

26 ServletRequest ServletRequest

27 ServletResponse ServletResponse mime

28 Java Servlet import javax.servlet.*; import javax.servlet.http.*;... public class HelloServlet extends HttpServlet { public void doget(httpservletrequest request, HttpServletResponse response) throws ServletException, IOException { response.setcontenttype( text/html ); PrintWriter out = response.getwriter(); out.println( <html><body><h1>hello World! ); out.println( </h1></body></html> ); out.close(); }

29 Java Servlet

30 D E M O N S T R A T I O N Oracle JDeveloper Servlet

31 JDeveloper Servlet HTTP

32 JDeveloper Servlet Servlet

33 JDeveloper Servlet

34 JDeveloper Servlet

35 JDeveloper Servlet

36 Agenda J2EE Oracle8i J2EE Java Servlet JavaServer Pages

37 JavaServer Pages Java HTML Servlet JavaBeans Web

38 JavaServer Pages HTML Java <% %> %> <%= %> <%!.. %> (UseBean, setproperty )

39 JavaServer Pages ://host/hello.jsp JSP Java Servlet Runner Output of Hello HTML /XML JSP Source Hello.jsp Generated file Hello.java (Servlet) Servlet Hello.class JSP runtime

40 JavaServer Pages ( ) <HTML> <BODY> <P>Hello! <BR> Today is: <%= new java.util.date() %> </BODY> </HTML>

41 JavaServer Pages ( )

42 JavaServer Pages ( JSP) <HTML><BODY> <FORM METHOD=get ACTION=welcome.jsp> <B>Enter your name:</b> <INPUT TYPE="text" NAME="user" SIZE=15> <INPUT TYPE="submit" VALUE="Submit name"); </FORM> </BODY></HTML> <HTML><BODY> <% String user=request.getparameter("user");%> Welcome <%= user %>!<P> Have a nice day! </BODY></HTML>

43 JavaServer Pages

44 JavaServer Pages JavaBeans <HTML> <BODY> <jsp:usebean class= beans.namebean id= nb scope= page /> Bean Name: <jsp:getproperty name="nb" property="name"/> <jsp:setproperty name="nb" property="name" value="oracle8i"/> Bean Name after property set: <jsp:getproperty name="nb" property="name"/> </BODY> </HTML>

45 JavaServer Pages JavaBean Package beans; public class NameBean { String name= Oracle8 ; public void NameBean() { } public String getname() { return name; } public void setname(string newname) { name = newname; } }

46 JavaServer Pages JavaBean

47 JavaServer Pages Servlet JavaBeans JDBC JavaBeans SQLJ Business Components for Java

48 JDBC JavaBean Package beans; public class EmpBean { public String showemps() { Connection conn = DriverManager.getConnection( ); Statement stmt = Conn.createStatement(); ResultSet rset = stmt.executequery ( Select * from emp ); String emptable = ; While (rset.next()) { emptable += <TR><TD> + rset.getstring( ename ) + </TD></TR> ; } rset.close(); stmt.close(); conn.close(); return emptable; }

49 JavaServer Pages JDBC JavaBean <HTML> <BODY> <jsp:usebean class= beans.empbean id= eb scope= page /> Employees: <TABLE BORDER=1> <%= eb.showemps() %> </TABLE> </BODY> </HTML>

50 D E M O N S T R A T I O N Oracle JDeveloper JSP

51 JDeveloper JSP JSP JSP

52 JDeveloper JSP

53 JSP Servlet

54 Oracle JDeveloper JSP / Servlet Servlet /JSP WebServer (JSPs, Servlets,, Web Beans) Business Components for Java Web Bean

55 JSP, Servlet JSP HTML JSP JSP Element Wizard JSP Web Beans RowSetBrowser Web Bean HTML

56 JSP, Servlet JSP JSP JDeveloper HTML

57 JSP, Servlet Servlet Web Server & Servlet Container JDeveloper Browser

58 Agenda J2EE Oracle8i J2EE Java Servlet JavaServer Pages

59 J2EE Servlet/JSP J2EE JDeveloper Servlet/JSP

9iAS_DEV.PDF

9iAS_DEV.PDF Oracle9i Application Server for Windows NT 1.0.2.0.0 2001.2.1 1 1 PL/SQL...3 1.1...3 1.2 PL/SQL Web Toolkit...5 1.3 Database Access Descriptor...6 1.4 PL/SQL...8 1.5 PL/SQL...10 1.6 PL/SQL...12 2 SERVLET...13