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Transcript 
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
1998
EJB 1.0
March 1998
J2EE 1.2
December 1999
1999
2000
JSP 1.0
September 1999
J2EE 1.4
November 2003
2001
2002
J2EE 1.3
September 2001
2003
Evolution of the J2EE platform
Servlets 2.1
November 1998
1998
EJB 1.0
March 1998
J2EE 1.2
December 1999
1999
2000
JSP 1.0
September 1999
J2EE 1.4
November 2003
2001
2002
J2EE 1.3
September 2001
2003
Agenda
• J2EE 1.4
• J2EE 1.4 SDK
• Adventure Builder
J2EE Application Server
Client
Browser
J2EE Server
Servlet
JSP
Web container
Database
Application
Client
Application
Client
Container
EJB
EJB
EJB container
J2EE 1.4 specification
246 pages
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
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
Support for web services
• SOAP
• SOAP with Attachments
• WSDL
• UDDI
• SOAP transport
– HTTP
– HTTPS
• WS-I Basic Profile 1.0
Web service example
Web services
client
Stock quote
web service
Web service example
“SUNW”
Web services
client
Stock quote
web service
Web service example
“SUNW”
Web services
client
5.24
Stock quote
web service
Web Services for J2EE (JSR-921)
98 pages
JSR-921
• Client programming model
• Server programming model
– Web service endpoints
– Service implementation beans
• Defines deployment requirements for J2EE
web services
Web Service API’s
• SAAJ 1.2
• JAX-RPC 1.1
• JAXR 1.0
SAAJ 1.2 specification
125 pages
SAAJ 1.2
• a low-level API for producing and
consuming SOAP 1.1 messages
• package: javax.xml.soap
javax.xml.soap
• SOAPMessage
• SOAPMessageFactory
• SOAPEnvelope
• SOAPHeader
• SOAPHeaderElement
• SOAPBody
• SOAPBodyElement
•
•
•
•
•
•
•
SOAPPart
AttachmentPart
SOAPElement
SOAPElementFactory
SOAPConnection
SOAPConnectionFactory
SOAPException
JAX-RPC 1.1 specification
167 pages
JAX-RPC 1.1
• an API for building
– web services
– web service clients
• JAX-RPC is dependent upon SAAJ
# - Remote Procedure Call
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
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)
JAXR 1.0 specification
119 pages
JAXR 1.0
• standard API for accessing XML registries
• supports UDDI and ebXML registries
JAXR packages
javax.xml.registry
• Connection
• RegistryService
…
javax.xml.registry.infomodel
• RegistryObject
• Service
• ServiceBinding
…
Servlet 2.4 specification
330 pages
What’s new in Servlet 2.4?
• javax.servlet.ServletRequestListener
• javax.servlet.ServletRequestEvent
• javax.servlet.ServletRequestAttributeListener
• javax.servlet.ServletRequestAttributeEvent
What’s new in Servlet 2.4?
• improved servlet filter mapping
–
–
–
–
REQUEST
FORWARD
INCLUDE
ERROR
• SingleThreadModel is deprecated
JSP 2.0 specification
JSP 1.0 -- 112 pages
JSP 1.1 -- 158 pages
JSP 1.2 -- 268 pages
JSP 2.0 -- 478 pages
JSP 2.0
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•
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
JSP Expression Language
Example
<input name=city
value=“${location.city}”>
<input name=state
value=“${location.state}”>
<input name=zip value=${location.zip}”>
EJB 2.1 specification
646 pages
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
EJB Timer Service
• enables you to schedule timed notifications
• single event timers
• interval timers
EJB Timer Service API
• javax.ejb.EJBContext
– method: getTimerService
• javax.ejb.TimerService
• javax.ejb.TimedObject
• javax.ejb.Timer
• javax.ejb.TimerHandle
JMS 1.1 specification
140 pages
What’s new in JMS 1.1?
JMS 1.1 gives you the ability to use
queues and topics in the same transaction
JMS API
Common
interfaces
Point-to-point
Pub/sub
ConnectionFactory
QueueConnectionFactory
TopicConnectionFactory
Connection
QueueConnection
TopicConnection
Destination
Queue
Topic
Session
QueueSession
TopicSession
MessageProducer
QueueSender
TopicPublisher
MessageConsumer
QueueReceiver,
TopicSubscriber
QueueBrowser
JCA 1.5
490 pages
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)
J2EE Management API 1.0
214 pages
J2EE Management API
• defines the J2EE Management Model
• management events
– event notification
• state management
– start, startRecursive, stop
• performance monitoring
– runtime statistics
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
J2EE Management packages
• javax.management.j2ee
• javax.management.j2ee.statistics
J2EE Deployment API 1.0
96 pages
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
Deployment descriptors
• J2EE 1.2 and J2EE 1.3:
– defined by DTD’s
• J2EE 1.4:
– defined by XML Schema (XSD)
DTD’s and Schemas
J2EE 1.3
•
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
J2EE 1.4
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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
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/webapp_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>
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>
Review: J2EE 1.4 technologies
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•
•
•
•
•
•
•
•
•
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
Not part of J2EE 1.4
• JSTL
• JavaServer Faces
• JDBC RowSets
(JSR-114)
• JMX Remote API
(JSR-160)
• STAX (JSR-173)
• JCACHE (JSR-107)
• JAXB
• Portlets (JSR-168)
• Java Data Objects
• JWSDL (JSR-110)
• JNLP
J2EE 1.4 SDK
• J2EE 1.4 Application Server
• Schema files
– <J2EE_HOME>/lib/schemas
• Command line tools
• Sample applications
App server admin console
SDK command line tools
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•
•
•
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•
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•
•
appclient
asadmin
asant
capture-schema
deploytool
jspc
package-appclient
verifier
wscompile
wsdeploy
Adventure Builder demo
Open source projects
Tomcat 5.0
– http://jakarta.apache.org/tomcat
Apache Axis
– http://ws.apache.org/axis/
Apache Geronimo
– http://incubator.apache.org/
ObjectWeb
– http://www.objectweb.org/
For more information
• http://java.sun.com/j2ee/
• http://java.sun.com/webservices/
• http://java.sun.com/blueprints/enterprise/
• http://www.jcp.org/
Backup slides
These additional slides are backup material.
JACC 1.0
•
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•
javax.security.jacc.PolicyConfiguration
javax.security.jacc.PolicyContextHandler
javax.security.jacc.EJBMethodPermission
javax.security.jacc.EJBRoleRefPermission
javax.security.jacc.PolicyConfigurationFactory
javax.security.jacc.PolicyContext
javax.security.jacc.WebResourcePermission
javax.security.jacc.WebRoleRefPermission
javax.security.jacc.WebUserDataPermission
Not covered in this presentation
• JMX 1.2
• JTA
• JTS
• JavaMail
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