August 2004
Intermediate to advanced
288 pages
8h 20m
English
Content preview from Oracle Application Server 10g EssentialsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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OC4J Services
This section takes a high-level look at each service provided by OC4J to servlets and EJBs. Some of these are standard J2EE services while others are Oracle value-added services. The OC4J services consist of the following:
Java Naming and Directory Interface (JNDI)
J2EE Connector Architecture
Java DataBase Connectivity (JDBC)
Java Message Service (JMS)
Remote Method Invocation (RMI)
Server-side HTTPS
Java Transaction API (JTA)
Java Authentication and Authorization Service (JAAS)
Java Mail
Java API for XML Parsing (JAXP)
Java Object Cache
We’ll discuss JNDI first because it is often used to access other resources in the list.
Java Naming and Directory Interface
The Java Naming and Directory Interface provides Java programs with standardized access to various naming and directory implementations. Within OC4J, servlets and EJBs can access global resources, such as Data Sources, and environment variables defined in each servlet or EJB deployment descriptor with the default JNDI context. The OC4J’s naming mechanism is implemented using an XML file.
If a servlet or EJB requires access to an external directory, such as LDAP implemented by the Oracle Internet Directory, the URI to the external directory can be specified as a parameter in the servlet or EJB’s deployment descriptor, looked up via JNDI using the default context, and then used to create a new context that accesses the external directory once again using JNDI.
JNDI can access various naming and directory services using service ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.