Core J2EE Patterns: Best Practices and Design Strategies
Over the last few years, Java 2 Platform, Enterprise Edition (J2EE) technology has emerged and matured as a standard platform for building enterprise applications. While the platform has matured into a solid offering for developing and deploying enterprise applications, it does offer its challenges. As developers, often we confuse learning the technology with learning to design with the technology. In this book, senior architects from the Sun Java Center, Sun's Java consulting organization share with the reader their cumulative design experience with and expertise on J2EE technology.
The primary focus of the book is on patterns, best practices, design strategies, and proven solutions using the key J2EE technologies including JavaServer Pages (JSP), Servlets, Enterprise Java Beans (EJB), and Java Message Service (J.M.S) API. Other ancillary technologies like JDBC and JNDI are also discussed as relevant to their usage in these patterns. The J2EE Patterns catalog with 16 patterns and numerous strategies is presented to document and promote best practices for these technologies.
In addition to the patterns and strategies, the book offers the following:
Core J2EE Patterns delivers:
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Clients and presentation tier objects frequently need to look up the enterprise
beans. In an EJB environment, the container uses JNDI to provide this service.
Putting the burden of locating services on the application client can introduce a ...
... “Business Delegate” on Pattern page 248 Hide implementation details of
business ser- || “Business Delegate” on vice lookup/creation/access page 248, “
Service Loca- || Pattern tor” on page 367 Isolate vendor and technology
... Locator for all objects—enterprise beans and JMS components. Type Checked
Service Locator Strategy The diagrams in Figures 8.37 and 8.38 provide lookup
facilities by passing in the service lookup name. For an enterprise bean lookup, ...
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J2EE Platform Overview
Presentation Tier Design Considerations and Bad Practices 34
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