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Java EE 6 : Paving The Path For The FutureIndicThreads
“The Java EE platform is getting an extreme makeover with the upcoming version ? Java EE 6. It is developed as JSR 316 under the Java Community Process.
The Java EE 6 platform adds more power to the platform and yet make it more flexible so that it can be adopted to different flavors of an application. It breaks the ‘one size fits all’ approach with Profiles and improves on the Java EE 5 developer productivity features. It enables extensibility by embracing open source libraries and frameworks such that they are treated as first class citizens of the platform.
Several new specifications such as Java Server Faces 2.0, Servlet 3.0, Java Persistence API 2.0, and Java Context Dependency Injection 1.0 are included in the platform. All these specifications are implemented in GlassFish v3 that providesa light-weight, modular, and extensible platform for your Web applications.
This session provides an overview of Java EE 6 and GlassFish v3. Using multiple simple-to-understand samples it explains the value proposition provided by Java EE 6. “
Java EE 6 : Paving The Path For The FutureIndicThreads
“The Java EE platform is getting an extreme makeover with the upcoming version ? Java EE 6. It is developed as JSR 316 under the Java Community Process.
The Java EE 6 platform adds more power to the platform and yet make it more flexible so that it can be adopted to different flavors of an application. It breaks the ‘one size fits all’ approach with Profiles and improves on the Java EE 5 developer productivity features. It enables extensibility by embracing open source libraries and frameworks such that they are treated as first class citizens of the platform.
Several new specifications such as Java Server Faces 2.0, Servlet 3.0, Java Persistence API 2.0, and Java Context Dependency Injection 1.0 are included in the platform. All these specifications are implemented in GlassFish v3 that providesa light-weight, modular, and extensible platform for your Web applications.
This session provides an overview of Java EE 6 and GlassFish v3. Using multiple simple-to-understand samples it explains the value proposition provided by Java EE 6. “
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http://www.sfjava.org/calendar/13940755/
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Java EE 6 and GlassFish v3: Paving the path for futureArun Gupta
This session provides an overview of Java EE 6 and GlassFish v3. Using multiple simple-to-understand samples it explains the value propositionprovided by Java EE 6.
Java EE 6 and GlassFish v3: Paving the path for futureArun Gupta
This session provides an overview of Java EE 6 and GlassFish v3. Using multiple simple-to-understand samples it explains the value proposition provided by Java EE 6.
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This session presents the GlassFish™ Tools Bundle for Eclipse, which can be used for creating Java EE 6 applications and configuring, deploying, and monitoring the GlassFish application server.
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http://www.sfjava.org/calendar/13940755/
Java Platform, Enterprise Edition 6 (Java EE 6) is the new, improved release of Java EE 5 with new features and a corresponding release of GlassFish v3.
Java EE 6 and GlassFish v3: Paving the path for futureArun Gupta
This session provides an overview of Java EE 6 and GlassFish v3. Using multiple simple-to-understand samples it explains the value propositionprovided by Java EE 6.
Java EE 6 and GlassFish v3: Paving the path for futureArun Gupta
This session provides an overview of Java EE 6 and GlassFish v3. Using multiple simple-to-understand samples it explains the value proposition provided by Java EE 6.
Full Java EE 6 support, great developer experience, multiple yet simple admin tools, embedded mode, mutli-language runtime, OSGi modularity, ... The GlassFish set of feature reads like the roadmap of our closest competitors. See how they can work for you. Today.
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1. <Insert Picture Here>
Java EE 6 & GlassFish v3: Paving the path for the future
Arun Gupta, Java EE & GlassFish Guy
blogs.sun.com/arungupta, @arungupta
3. Java EE: Past & Present
Flexible
Ease of
Development Java EE 6
Pruning
Java EE 5 Extensibility
Web Ease of
Services Profiles
Development
Annotations
Ease-of-dev
J2EE 1.4 EJB 3.0 EJB Lite
Web Services, Persistence API RESTful WS
Robustness Management, New and CDI
Enterprise Deployment, Updated
Java J2EE 1.3 Async. Web Services
Platform CMP, Connector
Connector
Architecture ` Java EE 6
J2EE 1.2
Servlet, JSP, Web Profile
EJB, JMS
JPE RMI/IIOP
Project
3
4. Compatible Java EE 5 Impl
http://java.sun.com/javaee/overview/compatibility-javaee5.jsp
4
6. Goals for the Java EE 6 Platform
• Flexible & Light-weight
• Extensible
• Embrace Open Source Frameworks
• Easier to use, develop on
• Continue on path set by Java EE 5
6
7. Java EE 6 is Flexible
• Decouple specs to allow more combinations
• Expands potential licensee ecosystem
• Profiles
• Targeted bundle of technologies
• Defined through the JCP
• Web Profile Defined
• Defined by the Java EE 6 Expert Group
7
8. Java EE 6 Web Profile 1.0
• Fully functional mid-sized profile
• Actively discussed in the Java EE 6 Expert
Group and outside it
• Technologies
• Servlets 3.0, JSP 2.2, EL 2.2, Debugging Support for
Other Languages 1.0, JSTL 1.2, JSF 2.0, Common
Annotations 1.1, EJB 3.1 Lite, JTA 1.1, JPA 2.0, Bean
Validation 1.0, Managed Beans 1.0, Interceptors 1.1,
Context & Dependency Injection 1.0, Dependency
Injection for Java 1.0
8
9. Java EE 6 is Lightweight
• Pruning
• Make some technologies optional
• Pruned today, means
• Optional in the next release
• Deleted in the subsequent releases
• Technologies marked in Javadocs
• JAX-RPC, EJB 2.x Entity Beans, JAXR, JSR 88
9
10. Java EE 6 is Extensible
• Embrace open source frameworks
• Wicket, Lift, Spring, Struts, ...
• Zero-configuration, drag-and-drop for
web frameworks
• Servlets, servlet filters, context listeners for
a framework get discovered and registered
automatically
• Plugin libraries using web fragments
10
13. Java EE 6 - Done
• Specifications approved by the JCP
10
• Reference Implementation is GlassFish v3
• TCK
20
ec
D
13
14. Java EE 6 Specifications
• The Platform
• Java EE 6 Web Profile 1.0
• Managed Beans 1.0
14
15. Java EE 6 Specifications
New
• Context and Dependency Injection for Java EE (JSR 299)
• Bean Validation 1.0 (JSR 303)
• Java API for RESTful Web Services (JSR 311)
• Dependency Injection for Java (JSR 330)
15
17. Java EE 6 Specifications
Updates
• Java API for XML-based Web Services 2.2 (JSR 224)
• Java API for XML Binding 2.2 (JSR 222)
• Web Services Metadata MR3 (JSR 181)
• JSP 2.2/EL 2.2 (JSR 245)
• Web Services for Java EE 1.3 (JSR 109)
• Common Annotations 1.1 (JSR 250)
• Java Authorization Contract for Containers 1.3 (JSR 115)
• Java Authentication Service Provider Interface for
Containers 1.0 (JSR 196)
17
18. Java EE 6 Specifications
As is
• JDBC 3.0 API
• Java Naming and Directory Interface 1.2
• Java Message Service 1.1
• Java Transaction API 1.1
• Java Transaction Service 1.0
• JavaMail API Specification 1.4
• JavaBeans Activation Framework 1.1
• Java API for XML Processing 1.3
• Java API for XML-based RPC 1.1
• SOAP with Attachments API for Java 1.3
• Java API for XML Registries 1.0
• Java EE Management Specification 1.1 (JSR 77)
• Java EE Deployment Specification 1.2 (JSR 88)
• Java Management Extensions 1.2
• Java Authentication and Authorization Service 1.0
• Debugging Support for Other Languages (JSR 45)
• Standard Tag Library for JSP 1.2 (JSR 52)
• Streaming API for XML 1.0 (JSR 173)
18
19. Java EE 6 & Ease-of-development
• Continue advancements of Java EE 5
• Primary focus: Web Tier
• General principles
• Annotation-based programming model
• Reduce or eliminate need for DD
• Traditional API for advanced users
19
20. EoD: Servlets
Servlet in Java EE 5: Two Files
<!--Deployment descriptor /* Code in Java Class */
web.xml -->
<web-app> package com.sun;
<servlet> public class MyServlet extends
<servlet-name>MyServlet HttpServlet {
</servlet-name> public void
<servlet-class> doGet(HttpServletRequest
com.sun.MyServlet req,HttpServletResponse res)
</servlet-class> {
</servlet>
...
<servlet-mapping>
<servlet-name>MyServlet }
</servlet-name> ...
<url-pattern>/myApp/*
}
</url-pattern>
</servlet-mapping>
...
</web-app>
20
21. EoD: Servlets in Java EE 6
package com.sun;
@WebServlet(name=”MyServlet”, urlPattern=”/myApp/*”)
public class MyServlet extends HttpServlet {
public void doGet(HttpServletRequest req,
HttpServletResponse res)
{
...
}
http://blogs.sun.com/arungupta/entry/totd_81_getting_started_with
21
22. Servlets 3.0 (JSR 315)
• Annotations to declare Servlets, Filters, Init
param, ...
> “web.xml” is optional in most of the cases
• Pluggable frameworks using web fragments
• Async support
• Programmatic authentication and logout
• Default error page, File upload support
• Using new language features – e.g. Generics
22
23. EJB 3.1 (JSR 318)
• @Singleton beans – shared state per VM
• No interface view – one source file per bean
• Calendar timers – cron like semantics
• @Schedule(dayOfWeek=”Mon,Wed”)
• (hour=”14”, dayOfMonth=”Last Thu”, month=”Nov”)
• (minute=”*/5”, hour=”*”)
• Application startup/shutdown callbacks
• EJB “Lite” - Small subset for Web profile
23
25. Java Server Faces 2.0 (JSR 314)
• Facelets as “templating language” for the page
• Custom components much easier to develop
• Ajax support integrated
• f:ajax
• “faces-config.xml” optional in common cases
• Mojarra is the Reference Implementation
25
26. Bean Validation (JSR 303)
• Tier-independent mechanism to define
constraints for data validation
• Represented by annotations
• javax.validation.* package
• Integrated with JSF and JPA
• JSF: f:validateRequired, f:validateRegexp
• JPA: pre-persist, pre-update, and pre-remove
• @NotNull(message=”...”), @Max, @Min,
@Size
• Fully Extensible
• @Email String recipient;
26
30. What is GlassFish ?
• A community
• Users, Partners, Testers, Developers, ...
• Started in 2005 on java.net
• Application Server
• Open Source (CDDL & GPL v2)
• Java EE Reference Implementation
30
31. GlassFish v3
• Modular
• Maven 2 – Build & Module description
• Felix – OSGi runtime (216 bundles)
• Allow any type of Container to be plugged
• Start Container and Services on demand
• Embeddable: runs in-VM
• Extensible
• Rails, Grails, Django, ...
• Administration, Monitoring, Logging, Deployment, ...
http://blogs.sun.com/dochez/entry/glassfish_v3_extensions_part_5 31
32. GlassFish v3 & OSGi
• No OSGi APIs are used in GlassFish
• HK2 provides abstraction layer
• Can run without OSGi (static mode)
• All GlassFish modules are OSGi bundles
• Felix is default, also runs on Knopflerfish & Equinox
• Can run in an existing shell
• 216 modules in v3
http://blogs.sun.com/arungupta/entry/totd_103_glassfish_v3_with 32
37. Light Weight & On-demand Monitoring
• Event-driven light-weight and non-intrusive
monitoring
• Modules provide domain specific probes
(monitoring events)
• EJB, Web, Connector, JPA, Jersey, Orb, Ruby
• End-to-end monitoring on Solaris using DTrace
• 3rd party scripting clients
• JavaScript to begin with
37
43. Oracle said ...
“GlassFish joins WebLogic Server in the best Java
EE application server offering in the industry”
“GlassFish continues as the Java EE RI and as an
open source project.”
“Oracle plans to add GlassFish Enterprise Server to
all WebLogic offerings.”
“GlassFish also available as standalone offering.”
http://blogs.sun.com/arungupta/entry/glassfish_strategy_by_oracle_sun
43
45. <Insert Picture Here>
Java EE 6 & GlassFish v3: Paving the path for the future
Arun Gupta, Java EE & GlassFish Guy
blogs.sun.com/arungupta, @arungupta