J2EETM
Development
with NetBeans
Petr Jiricka

Agenda
 Overview of J2EEtechnologies
 Sun J2EEsoftware
 Prague Engineering Center
 Overview of NetBeans
 NetBeans 4.0: Web Tier support
 NetBeans 4.1: Enterprise JavaBeansTM
and Web
Services
 Future directions of J2EE

J2EEOverview
 Platform for developing and deploying complex
enterprise applications
 One of two most successful platforms
 Developed in Java Community Process (JCP)
­ 1.4 is the current version, 5.0 (1.5) in progress
­ Specification, Reference Implementation, Technology
Compatibility Kit (TCK)
 Implemented by multiple vendors
­ Sun, BEA, Oracle, IBM, Apache, JBoss, ...

J2EETechnologies
 Major technologies
­ Servlets
­ JavaServer PagesTM
­ Enterprise JavaBeansTM
­ Web Services, JAX-*
­ JDBC
­ JNDI
­ JMS
­ JavaMail
­ ...

Related technologies and products
 JavaServer Faces (JSF)
 JavaServer Pages Standard Tag Library (JSTL)
 Portlets
 Naming and directory management, LDAP
 Identity management, Liberty alliance
 ...

Additional aspects of J2EE
 Multiple types of clients
 Transactions
 Security, authentication, authorization
 Data persistence
 Distribution
 Integration with existing systems
 Internationalization and localization
 Clustering, scalability, high availability

Challenges of J2EEdevelopment
 Learning many different technologies
 Use of multiple languages (Java, JSP, XML,
SQL, EJB-QL, ...)
 Teamwork
 Many aspects of development
 Performance, making it efficient
 "One size does not fit all"

Making J2EEdevelopment easier
 Sample code
 Tutorials
 Reference architectures
 Frameworks
 Books
 Simplify core specifications
 Tools

Sun Java Enterprise System
 Integrated set of products
­ Application Server
­ Web Server
­ Naming and Directory Server
­ Portal Server
­ Identity Server
­ ...

Sun Java System Application Server
 Several editions
­ Platform Edition
­ Standard Edition
­ Enterprise Edition
 Latest version is 8.0 (Platform Edition)
­ Supports J2EE1.4
­ 8.1 under development, beta is released

J2EEDeveloper Resources

Sun Java Developer Tools
 NetBeans
­ FREE
­ Supports J2SE, J2EEweb tier
­ Will support full J2EEsoon
­ Integrated with SJS Application Server Platform Edition
 Sun Java Studio Creator
­ Visual development of web applications
­ Natively supports JavaServer Faces
­ Affordable: only 100$/ year/ developer, free evaluation
­ Built on NetBeans

Sun Java Developer Tools (cont'd)
 Sun Java Studio Enterprise
­ High end tool
­ Supports UML, team collaboration features
­ Integrated with Sun Java Enterprise System
­ Built on NetBeans
 NetBeans Mobility Pack
­ J2ME(MIDP) development
­ Will support J2MEweb services (JSR172)

Prague Engineering Center
 Several engineering
teams
­ NetBeans
­ NetBeans Mobility
­ Java Enterprise System
­ Globalization
 University relations

Prague will GROW
­ Expand existing teams
­ New teams in Prague

NetBeans
 FREEJava development tool
 Open source project
 Supports J2SE, J2MEand J2EE
 Community contributes bug reports, fixes,
new modules, requests new features

NetBeans 4.0
 Landmark release
­ New Project system based on Apache Ant
­ Support for Java refactoring
­ Supports J2SE5.0 release (Tiger)
 Other new features
­ Improved UI (window system)
­ Performance enhancements, UI responsiveness

Web Development with NetBeans 4.0
 Web Application project type
 Supports J2EE1.3 and 1.4
 Integrates with the bundled Tomcat 5 server
 Integrates with SJS Application Server 8,
Platform Edition (separate download)
 All stages of the development cycle
­ Create, Edit, Build, Deploy, Debug

Web Development ­ Create
 Create projects
­ Web Application project from scratch
­ Web Application project with existing sources
­ Web Application project with existing Ant script
 Create components
­ JSP pages, HTMLpages, servlets, tag files, tag
libraries, filters, listeners, ...
­ Manage deployment descriptor automatically
 Includes JSP Standard Tag Library (JSTL)

Web Development ­ Edit
 JSP Editor
­ Coloring of HTML, JSP, Java and Expression
Language elements
­ Context-sensitive code completion
­ Help for JSP syntax
­ Formatting, tag matching, "smart case", ...
­ Similar features also for Tag Files
 Java editor aware of J2EEAPIs
 Code completion for deployment descriptors

Web Development ­ Build
 Build is completely driven by Ant
 Ant script automatically maintained by the
Project system
 Respects common conventions
­ "build" and "dist" directories
­ Jakarta and Java BluePrints source structures
 Compile JSPs to discover coding errors

Web Development ­ Deploy
 Tomcat 5 included with NetBeans
 One-click deployment
 Fast iterative redeployment
 View server logs

Web Development ­ Debug
 Automatically start server in debug mode
 Step through Java and JSP code
 Evaluate expressions (as tooltips)
 HTTP monitor
­ Records all HTTP transactions between the browser
and the server
­ Displays HTTP parameters, cookies, session data,
HTTP headers, browser and server info, ...
­ Allows replay ing transactions recorded previously

Demo ­ NetBeans 4.0

NetBeans 4.1
 Complete J2EEdevelopment support
­ Enterprise JavaBeansTM
­ Web Services
 Will support J2EE1.4
 Will integrate with SJS Application Server
8.1, Platform Edition

From the
Computer History
Museum
in Santa Clara,
California

NetBeans 4.1 Goals
 Make it easier to develop J2EEapplications
 Make experienced developers more
productive
 Help beginners learn J2EEdevelopment
 Do not require in-depth knowledge of all
details of J2EE
 Help by providing ent-to-end support,
integrated experience
 Out Of Box Experience (OOBE)

J2EEin NetBeans 4.1 ­ basic features
 New Project types
­ EJBModule project
­ J2EEApplication project
­ Web Services developed in Web project or EJB
Module project
 Wizards for J2EEcomponents

Enterprise JavaBeansTM
Development
 Create EJBs
­ Entity Bean, CMP Entity Beans using an existing
database, Session Bean, Message Driven Bean
 Automatically manage depl. descriptors
 High level operations (add business method)
 Visual deployment descriptor editor
 "Call EJB" action

Web Services Development
 Create Web service operations
­ From scratch
­ From an existing Java class
­ From an existing WSDLfile
 Automatically manage all configuration files
 Supports common web service standards
­ SOAP, WSDL, JAX-RPC, JSR109, ...

More J2EEfeatures
 Verification of J2EEapplications
 Manage and edit server-specific deployment
descriptors
 Refactoring integrated with J2EE
 Java BluePrints solution catalog
 Sample J2EEprojects

NetBeans 4.1 Schedule
 Early Access 1 was released in October 2004
 Early Access 2 in January 2005
 Beta in Q1 CY2005
 Final version in 1st
half of 2005

Demo ­ NetBeans 4.1

The Future of J2EE
 J2EE5.0 (1.5) will be the next major release
 Extensive use of annotations (JSR175,
introduced in J2SE5.0)
 Enhancements in
­ CMP beans
­ New Web Services standards
­ Align JSP and JSF
­ ...

Enterprise JavaBeansTM
in J2EE5.0
 EJB3.0 (JSR220) ­ early draft released
 Annotations
@Stateful public class CartBean implements ShoppingCart {
­ Annotations replace deployment descriptors
­ EJBs are Plain Old Java Objects (POJO)
 EJBQLenhancements
 Enhanced Object-Relational mapping
 New APIs for entity beans
­ javax.ejb.EntityManager, javax.ejb.Query

Web Services in J2EE5.0
 JAX-RPC2.0
­ Improved binding of Java data types to XML
­ Built on top of JAXB2.0
 JAXB2.0 (Java API for XMLBinding)
 Fast Web Services
­ Use of binary encoding of SOAP messages
 Annotations for Web Services (JSR181)
 Web Services Security, digital signatures, ...

Web tier technologies in J2EE5.0
 Align JSP and JSF
­ JSP 2.1 and JSF1.2
­ Align expression languages
${JSP Expression}
#{JSF Expression}
­ Use managed beans in JSP

Links
 http:/ / java.sun.com/ j2ee/ index.jsp
­ J2EEmain page, downloads of J2EESDK(aka SJS
Application Server 8.0 PE), samples, API docs, J2EE
Blueprints, ...
 NetBeans community mailing lists
www.netbeans.org -NetBeans
nbusers@netbeans.org ­ general user questions
nbj2ee@netbeans.org ­ questions about J2EEdevt.
 Prague Engineering Center
www.sun.cz

Q&A

J2EETM
Development
with NetBeans
Petr Jiricka

Backup slides

J2SETM
5.0 "Tiger"

There's lots of great stuff in Tiger
JMX
Concurrency utilities
Generics
Ocean L&F
extended for loop
JVM Monitoring
metadata
SAX 2.0
Enumerated types
printf
importing constants
Autoboxing
Unicode Surrogates
Remote JMX
DOM 3
Gnome Skins
XML Schema
JVMPI Profiling
Stack trace API
JVM sharing
XAWT
AMD64
performance
faster startup
improved footprint
BigDecimal updates
JDBC Rowsets
SASL
New Memory ModelPacked JARs
performance ergonomics
jpsjstat
varargs
apt
fatal error handlers
jconsole
OpenGL
synth L&F
improved cookie support
RMI dynamic proxies
z-ordering
swing printing
OCSPXDnD
IP reachability
unsynchronized StringBuffer
scanning
And lots more...