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Creating Quick and Powerful Web applications with Oracle, GlassFish and NetBeans/Eclipse
The document discusses the evolution and features of Java EE and GlassFish, highlighting the ease of developing web applications with Java EE 6 and tools like NetBeans and Eclipse. It covers different aspects, including persistence API, RESTful web services, and the modular nature of GlassFish. Additionally, it provides examples, wizards, and references for creating applications and utilizing various frameworks and functionalities within the Java EE ecosystem.
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Creating Quick and Powerful Web applications with Oracle, GlassFish and NetBeans/Eclipse
- 1. Java EE: Past& Present Right Sizing Ease of Creating Quick & Powerful Development Java EE 6 EJB Lite Web Applications withWeb Services Java EE 5 Ease of Restful WS Oracle, GlassFish, Development Web Beans Extensibility J2EE 1.4 NetBeans / Eclipse Web Services, Robustness Annotations EJB 3.0 Enterprise Management, Persistence API Java Platform J2EE 1.3 Deployment, New and CMP, Async. Updated Connector ` Connector Java EE 6 Arun Gupta, GlassFish Guy J2EE 1.2 Architecture Web Services Sun Microsystems, Inc. Servlet, JSP, Web Profile blog.arungupta.me JPE Project EJB, JMS RMI/IIOP Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse 1 Slide 1
- 2. What is GlassFish? • A Community > Users, Partners, Testers, Developers, ... > Started in 2005 on java.net • Application Server > Enterprise Quality and Open Source (CDDL & GPL v2) > Java EE 5 / 6 Reference Implementation > Full Commercial Support from Sun http://glassfish.org Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse Slide 2
- 3. State of GlassFish •GlassFish v2 > Java EE 5 Reference Implementation > Clustering, Load-balancing, High Availability > Web-based / CLI Administration Console > .NET Web services interoperability > Current release: GlassFish v2.x • GlassFish v3 > Java EE 6 Reference Implementation > Modular (OSGi), Embeddable, Extensible > Java EE, Rails, Grails, Django, ... > Going final this year Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse Slide 3
- 4. Sun GlassFish EnterpriseServer Enterprise Manager Customer Advocate eLearning Credit Customer Focused 24x7 Support Support Team GlassFish Open Source Sun VIP Application Server Patches & Interoperability Upgrades Support Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse Slide 4
- 5. Java EE 6:Ease of Development (EJB.Lite) Java EE 5 Java EE 6 foo.ear foo.war foo_web.war WEB-INF/classes com.sun.FooServlet com.sun.TickTock WEB-INF/web.xml com.sun.FooBean WEB-INF/classes com.sun.FooHelper com.sun.FooServlet com.sun.TickTock foo_ejb.jar com.sun.FooBean com.sun.FooHelper web.xml ? Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse Slide 5
- 6. EoD Example -Servlets Servlet in Java EE 5: Create two source files <!--Deployment descriptor /* Code in Java Class */ web.xml --> <web-app> package com.foo; <servlet> public class MyServlet <servlet-name>MyServlet extends HttpServlet { </servlet-name> public void <servlet-class> doGet(HttpServletRequest com.foo.MyServlet </servlet-class> req,HttpServletResponse res) </servlet> { <servlet-mapping> <servlet-name>MyServlet ... </servlet-name> <url-pattern>/myApp/* } </url-pattern> </servlet-mapping> ... ... </web-app> } Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse Slide 6
- 7. EoD Example -Servlets Servlet in Java EE 6: In many cases a single source file package com.foo; @WebServlet(name=”MyServlet”, urlPattern=”/myApp/*”) public class MyServlet extends HttpServlet { public void doGet(HttpServletRequest req, HttpServletResponse res) { ... } Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse Slide 7
- 8. Java EE 6Wizards http://blog.arungupta.me/2008/11/screencast-27-simple-web-application-using-netbeans-6-5-ide-and-glassfish-v3-prelude/ http://blog.arungupta.me/2009/10/totd-108-java-ee-6-web-application-jsf-2-0-jpa-2-0-ejb-3-1-using-oracle-netbeans-and-glassfish/ http://blog.arungupta.me/2009/08/totd-94-a-simple-java-server-faces-2-0-jpa-2-0-application-getting-started-with-java-ee-6-using-netbeans-6-8-m1-glassfish-v3/ http://blog.arungupta.me/2009/08/totd-95-ejb-3-1-java-server-faces-2-0-jpa-2-0-web-application-getting-started-with-java-ee-6-using-netbeans-6-8-m1-glassfish-v3/ http://blog.arungupta.me/2008/11/screencast-28-simple-web-application-using-eclipse-and-glassfish-v3-prelude/ http://blog.arungupta.me/2009/09/totd-102-java-ee-6-servlet-3-0-and-ejb-3-1-wizards-in-eclipse/ Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse Slide 8
- 9. Java Persistence API •Java EE specification that defines Object to Relational Mapping • Annotations to persist POJOs • JPQL to query database objects • Requires a Persistence Provider and a Database > Common Persistence Providers: TopLinkEssentials, EclipseLink, ... > Common Databases: Oracle, MySQL, ... Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse Slide 9
- 10. JPA Sample @Entity classEmployee { @Id private int id; private String firstName; private String lastName; pubic Employee (int id, String firstName, String lastName) { ... } public String getFullName(){ return firstName + lastName; } ... } Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse Slide 10
- 11. JPA Wizards http://blog.arungupta.me/2009/09/totd-107-connect-to-oracle-database-using-netbeans/ http://blog.arungupta.me/2009/10/totd-108-java-ee-6-web-application-jsf-2-0-jpa-2-0-ejb-3-1-using-oracle-netbeans-and-glassfish/ http://blog.arungupta.me/2009/08/totd-99-creating-a-java-ee-6-application-using-mysql-jpa-2-0-and-servlet-3-0-with-glassfish-tools-bundle-for-eclipse/ Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse Slide 11
- 12. RESTful Web Services • JAX-RS: Java API for RESTful Web Services • Annotation-based server-side API • HTTP-centric • Jersey: Implementation of JAX-RS > Also provides client-side API Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse Slide 12
- 13. JAX-RS Sample @Path("widgets/{id}") @Produces("application/widgets+xml") @Consumes("application/widgets+xml") public classWidgetResource { private Widget w; public WidgetResource(@PathParam("id") String id) { this.w = locateRecord(id); } @GET Widget getWidget() { return w; } @PUT Widget updateWidget(Widget update) { w = processUpdate(update); return w; } } Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse Slide 13
- 14. RESTful Wizards http://blog.arungupta.me/2009/10/totd-112-exposing-oracle-database-tables-as-restful-entities-using-jax-rs-glassfish-and-netbeans/ Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse Slide 14
- 15. Dynamic Languages &Frameworks http://glassfish-scripting.dev.java.net Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse Slide 15
- 16. Rails Deployment Choices Credits: http://birdwatchersdigest.com Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse Slide 16
- 17. http://blog.arungupta.me/2008/11/screencast-26-developrundebug-rails-application-using-netbeans-ide-and-glassfish-v3-prelude/ http://blog.arungupta.me/2009/10/totd-110-jruby-on-rails-application-using-oracle-on-glassfish/ http://blog.arungupta.me/2009/10/totd-111-rails-scaffold-for-a-pre-existing-table-using-oracle-and-glassfish/ Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse Slide 17
- 18. Extending GlassFish ...1, 2, 3. @Service(name="mycommand") @Scoped(PerLookup.class) public class CLIPluggabilityCommand implements AdminCommand { ... } ... // this value can be either runtime or os for our demo @Param(primary=true) String inParam; ... public void execute(AdminCommandContext context) { ... } http://java.net/blog/2008/11/07/extending-glassfish-v3-prelude-easy-1-2-3 Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse Slide 18
- 19. Light-weight & On-demandMonitoring • 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 http://blog.arungupta.me/2009/09/totd-104-glassfish-v3-monitoring-how-to-monitor-a-rails-app-using-asadmin-javascript-jconsole-rest/ Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse Slide 19
- 20. REST Interface • REST interface to management and monitoring data > Configuration data, Commands invocation (start/stop instance, deploy, undeploy, ...), CRUD resources (JMS, JDBC, ...) > localhost:4848/management/domain > localhost:4848/monitoring/domain • GET, POST, DELETE methods • XML, JSON, HTML reps http://blog.arungupta.me/2009/08/totd-96-glassfish-v3-rest-interface-to-monitoring-and-management-json-xml-and-html-representations/ Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse Slide 20
- 21. References • glassfish.org • blogs.sun.com/theaquarium • twitter.com/glassfish • glassfish@sun.com Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse Slide 21
- 22. Java EE: Past& Present Right Sizing Ease of Creating Quick & Powerful Development Java EE 6 EJB Lite Web Applications withWeb Services Java EE 5 Ease of Restful WS Oracle, GlassFish, Development Web Beans Extensibility J2EE 1.4 NetBeans / Eclipse Web Services, Robustness Annotations EJB 3.0 Enterprise Management, Persistence API Java Platform J2EE 1.3 Deployment, New and CMP, Async. Updated Connector ` Connector Java EE 6 Arun Gupta, GlassFish Guy J2EE 1.2 Architecture Web Services Sun Microsystems, Inc. Servlet, JSP, Web Profile JPE EJB, JMS blog.arungupta.me Project RMI/IIOP Creating Quick and Powerful Web Applications using Oracle, GlassFish and NetBeans/Eclipse 22 Slide 22