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10 Developing Applications for J2EE Servers
How JBuilder can help
manipulate data from a database so you can build data-aware servlets and JSPs.
For information about InternetBeans Express, see “Using InternetBeans Express” in
the Developing Web Applications.
This is the middle-tier J2EE technology that uses an EJB container:
■
Enterprise JavaBeans (EJBs)
Enterprise JavaBeans are server-side components that contain the business logic of
the application. JBuilder assists you in building EJB 1.x and EJB 2.0 components.
Start building enterprise beans by using the EJB wizards on the Enterprise page of
the object gallery (File|New|Enterprise). For building EJB 2.0 components, JBuilder
offers the EJB designer, a Two-Way Tool™ that allows you to design your beans
visually all the while keeping your code, deployment descriptors, and design
synchronized. For more information about building, testing, and deploying
enterprise beans, see “An introduction to EJB development” in Developing
Applications with Enterprise JavaBeans.
As you create your enterprise beans, JBuilder is building your EJB deployment
descriptors. You can use JBuilder’s EJB DD Editor to modify them as you wish. For
more information about the EJB DD Editor see Chapter 11, “Editing J2EE
deployment descriptors” and “Editing EJB deployment descriptors” in Developing
Applications with Enterprise JavaBeans.
All the web application components and enterprise bean components can be combined
and delivered in an application module. JBuilder has an Application Module wizard. For
more information, see “Creating an application module” in the “Deploying enterprise
beans” chapter of the Developing Applications with Enterprise JavaBeans book.
Other J2EE technologies
While not confined to a particular architectural tier, these technologies are enablers
that make things work:
■
Java Database Connectivity (JDBC)
JDBC is the standard used to access your database on the Enterprise Information
Systems (EIS) tier. It defines a Java API you use to write SQL statements that are
sent to your database.
JBuilder includes DataExpress, a component library for accessing data in your
database. It connects your application to your database using JDBC drivers.
JBuilder also includes JDataStore, an all-Java embedded database and component
library. You access JDataStore using JDBC.
Entity beans that access rows in your database, also connect to your data using
JDBC.
■
Java Message Service (JMS)
JMS is an enterprise messaging service that routes messages between
components and processes in a distributed application.
The Borland Enterprise Server includes SonicMQ, a JMS implementation. Also
JBuilder supports EJB 2.0 components, which include message-driven beans.
Message-driven beans integrate JMS into enterprise beans. JBuilder also includes a
JMS wizard. See “Creating JMS producers and consumers” in Developing
Applications with Enterprise JavaBeans for information on creating classes and
applications that can create and consume JMS messages.
■
Java Naming and Directory Interface (JNDI)
All J2EE servers use JNDI, a Java naming service used to locate distributed
objects.
- JBuilder 1
- Contents 3
- Building J2EE modules 115 5
- Introduction 7
- Online resources 9
- World Wide Web 9
- Borland newsgroups 9
- Usenet newsgroups 10
- Reporting bugs 10
- Enterprise Edition 11
- How JBuilder can help 15
- Other J2EE technologies 16
- Learning about J2EE 17
- Client-server applications 20
- Multi-tier applications 21
- Stand-alone clients 21
- Java client calling EJBs 22
- Web-centric applications 23
- Business to business 23
- Configuring the target server 25
- This is a feature of 26
- JBuilder Developer 26
- Adding a service pack 28
- The created libraries 29
- Selecting a server 30
- Setting up JDBC drivers 32
- /lib directory with the 33
- InterClient.config) 33
- /lib/ext directory 33
- Changing the management port 43
- Remote deploying 46
- Remote debugging 47
- Edition 5.2.1 is running 48
- Web module workarounds 49
- International issues 50
- Using JBuilder’s CORBA tools 51
- -Dvbroker.agent.port=14000 53
- Configuring the OrbixWeb ORB 56
- Adding a new configuration 57
- _tie classes when the IDL 61
- _tie classes will be 61
- Using the CORBA wizards 63
- CORBA Server Interface wizard 64
- HTML CORBA Client wizard 64
- Use CORBA Interface wizard 65
- Service packs 67
- Working in JBuilder 72
- Starting the server 73
- <HOST 75
- NAME>:<port number> 75
- Deploying 83
- WebSphere Server 4.0 84
- Enabling remote debugging 85
- WebSphere Single Server 4.0 86
- -Djava.compiler=NONE 87
- Deploying locally 95
- JSP debugging 97
- Using JBuilder with Tomcat 99
- <jbuilder>/ 100
- Starting Tomcat 102
- Stopping Tomcat 102
- Changing Tomcat’s port number 103
- Editing J2EE deployment 105
- Displaying the DD Editor 106
- 2 Select the Build node 110
- 4 Choose OK 110
- Integrating with Enterprise 111
- Information Systems 111
- 2 Click Next to see Step 2: 112
- Connector1 RAR 116
- Authentication Mechanism page 118
- Configuration Property page 119
- Security Permission page 119
- Server-specific pages 120
- Building J2EE modules 121
- File type filters 122
- Class and resource filters 122
- Adding custom file types 123
- Sample build scenarios 124
- WAR without any classes 125
- WAR with custom class filters 125
- WAR with custom file types 125
- EAR with custom files 126
- Web modules 127
- Index 123 129
- Index 125 131
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