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What’s new in J2EE 1.4

What’s new in J2EE 1.4. Sean C. Sullivan Portland Java Users Group February 2004. Evolution of the J2EE platform. Servlets 2.1 November 1998. J2EE 1.2 December 1999. J2EE 1.4 November 2003. 1998. 1999. 2000. 2001. 2002. 2003. EJB 1.0 March 1998. JSP 1.0 September 1999.

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What’s new in J2EE 1.4

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  1. What’s new in J2EE 1.4 Sean C. Sullivan Portland Java Users Group February 2004

  2. Evolution of the J2EE platform Servlets 2.1 November 1998 J2EE 1.2 December 1999 J2EE 1.4 November 2003 1998 1999 2000 2001 2002 2003 EJB 1.0 March 1998 JSP 1.0 September 1999 J2EE 1.3 September 2001

  3. Evolution of the J2EE platform Servlets 2.1 November 1998 J2EE 1.2 December 1999 J2EE 1.4 November 2003 1998 1999 2000 2001 2002 2003 EJB 1.0 March 1998 JSP 1.0 September 1999 J2EE 1.3 September 2001

  4. Agenda • J2EE 1.4 • J2EE 1.4 SDK • Adventure Builder

  5. J2EE Application Server Client J2EE Server Web container Browser Servlet JSP Database Application Client Container Application Client EJB container EJB EJB

  6. J2EE 1.4 specification 246 pages

  7. J2EE 1.4 technologies • Servlets 2.4 • JSP 2.0 • EJB 2.1 • JMS 1.1 • JTA 1.0.1B • JTS 1.0 • JMX 1.2 • J2EE Management API 1.0 • J2EE Deployment API 1.1 • JCA 1.5 • JAXR 1.0 • JAX-RPC 1.1 • SAAJ 1.2 • JACC 1.0 • JavaMail 1.2

  8. J2EE 1.4 and Web Services “The Java 2 Platform, Enterprise Edition version 1.4 is the most complete Web services platform ever.” source: http://java.sun.com/j2ee/1.4/download-dr.html

  9. Support for web services • SOAP • SOAP with Attachments • WSDL • UDDI • SOAP transport • HTTP • HTTPS • WS-I Basic Profile 1.0

  10. Web service example Web services client Stock quote web service

  11. Web service example “SUNW” Web services client Stock quote web service

  12. Web service example “SUNW” Web services client Stock quote web service 5.24

  13. Web Services for J2EE (JSR-921) 98 pages

  14. JSR-921 • Client programming model • Server programming model • Web service endpoints • Service implementation beans • Defines deployment requirements for J2EE web services

  15. Web Service API’s • SAAJ 1.2 • JAX-RPC 1.1 • JAXR 1.0

  16. SAAJ 1.2 specification 125 pages

  17. SAAJ 1.2 • a low-level API for producing and consuming SOAP 1.1 messages • package: javax.xml.soap

  18. javax.xml.soap • SOAPMessage • SOAPMessageFactory • SOAPEnvelope • SOAPHeader • SOAPHeaderElement • SOAPBody • SOAPBodyElement • SOAPPart • AttachmentPart • SOAPElement • SOAPElementFactory • SOAPConnection • SOAPConnectionFactory • SOAPException

  19. JAX-RPC 1.1 specification 167 pages

  20. JAX-RPC 1.1 • an API for building • web services • web service clients • JAX-RPC is dependent upon SAAJ # - Remote Procedure Call

  21. JAX-RPC packages • javax.xml.rpc • javax.xml.rpc.encoding • javax.xml.rpc.handler • javax.xml.rpc.handler.soap • javax.xml.rpc.server • javax.xml.rpc.soap

  22. SAAJ versus JAX-RPC “Most developers will not use the SAAJ API, but will use the higher-level JAX-RPC API instead.” (Sun, J2EE 1.4 Tutorial)

  23. JAXR 1.0 specification 119 pages

  24. JAXR 1.0 • standard API for accessing XML registries • supports UDDI and ebXML registries

  25. JAXR packages javax.xml.registry • Connection • RegistryService … javax.xml.registry.infomodel • RegistryObject • Service • ServiceBinding …

  26. Servlet 2.4 specification 330 pages

  27. What’s new in Servlet 2.4? • javax.servlet.ServletRequestListener • javax.servlet.ServletRequestEvent • javax.servlet.ServletRequestAttributeListener • javax.servlet.ServletRequestAttributeEvent

  28. What’s new in Servlet 2.4? • improved servlet filter mapping • REQUEST • FORWARD • INCLUDE • ERROR • SingleThreadModel is deprecated

  29. JSP 2.0 specification JSP 1.0 -- 112 pages JSP 1.1 -- 158 pages JSP 1.2 -- 268 pages JSP 2.0 -- 478 pages

  30. JSP 2.0 • javax.servlet.jsp.ErrorData • javax.servlet.jsp.JspContext • javax.servlet.jsp.el.FunctionMapper • javax.servlet.jsp.el.VariableResolver • javax.servlet.jsp.el.Expression • javax.servlet.jsp.el.ExpressionEvaluator • javax.servlet.jsp.tagext.DynamicAttributes • javax.servlet.jsp.tagext.JspTag • javax.servlet.jsp.tagext.SimpleTag • javax.servlet.jsp.tagext.SimpleTagSupport • javax.servlet.jsp.tagext.TagAdapter • javax.servlet.jsp.tagext.FunctionInfo • javax.servlet.jsp.tagext.JspFragment

  31. JSP Expression Language <input name=city value=“${location.city}”> <input name=state value=“${location.state}”> <input name=zip value=${location.zip}”> Example

  32. EJB 2.1 specification 646 pages

  33. What’s new in EJB 2.1? • support for web services • EJB Timer service • more generalized architecture for message driven beans • EJB QL enhancements • new deployment descriptor elements

  34. EJB Timer Service • enables you to schedule timed notifications • single event timers • interval timers

  35. EJB Timer Service API • javax.ejb.EJBContext • method: getTimerService • javax.ejb.TimerService • javax.ejb.TimedObject • javax.ejb.Timer • javax.ejb.TimerHandle

  36. JMS 1.1 specification 140 pages

  37. What’s new in JMS 1.1? JMS 1.1 gives you the ability to use queues and topics in the same transaction

  38. JMS API

  39. JCA 1.5 490 pages

  40. JCA system contracts • Connection management (JCA 1.0) • Security management (JCA 1.0) • Transaction management (JCA 1.0) • Lifecycle management (JCA 1.5) • Work management (JCA 1.5) • Transaction inflow (JCA 1.5) • Message inflow (JCA 1.5)

  41. J2EE Management API 1.0 214 pages

  42. J2EE Management API • defines the J2EE Management Model • management events • event notification • state management • start, startRecursive, stop • performance monitoring • runtime statistics

  43. J2EE Management events • j2ee.object.created • j2ee.object.deleted • j2ee.state.starting • j2ee.state.running • j2ee.state.stopping • j2ee.state.stopped • j2ee.state.failed • j2ee.attribute.changed

  44. J2EE Management packages • javax.management.j2ee • javax.management.j2ee.statistics

  45. J2EE Deployment API 1.0 96 pages

  46. J2EE Deployment packages • javax.enterprise.deploy.model • javax.enterprise.deploy.shared • javax.enterprise.deploy.shared.factories • javax.enterprise.deploy.spi • javax.enterprise.deploy.spi.exceptions • javax.enterprise.deploy.spi.factories • javax.enterprise.deploy.spi.status

  47. Deployment descriptors • J2EE 1.2 and J2EE 1.3: • defined by DTD’s • J2EE 1.4: • defined by XML Schema (XSD)

  48. DTD’s and Schemas J2EE 1.3 J2EE 1.4 • application-client_1_4.xsd • application_1_4.xsd • connector_1_5.xsd • ejb-jar_2_1.xsd • j2ee_1_4.xsd • j2ee_jaxrpc_mapping_1_1.xsd • j2ee_web_services_1_1.xsd • j2ee_web_services_client_1_1.xsd • jsp_2_0.xsd • web-app_2_4.xsd • web-jsptaglibrary_2_0.xsd • xml.xsd • application-client_1_3.dtd • application_1_3.dtd • connector_1_0.dtd • ejb-jar_2_0.dtd • web-app_2_3.dtd • web-jsptaglibrary_1_2.dtd

  49. web.xml - J2EE 1.3 <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE web-app PUBLIC '-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN' 'http://java.sun.com/dtd/web-app_2_3.dtd'> <web-app> <display-name>helloworld</display-name> <servlet> <servlet-name>HelloServlet</servlet-name> <servlet-class>org.pjug.HelloServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>HelloServlet</servlet-name> <url-pattern>/hello/*</url-pattern> </servlet-mapping> </web-app>

  50. web.xml - J2EE 1.4 <?xml version="1.0" encoding="UTF-8"?> <web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <display-name>helloworld</display-name> <servlet> <servlet-name>HelloServlet</servlet-name> <servlet-class>org.pjug.HelloServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>HelloServlet</servlet-name> <url-pattern>/hello/*</url-pattern> </servlet-mapping> </web-app>

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