Core J2EE Patterns: Best Practices and Design Strategies
Prentice Hall PTR, 2001 - 459 ページ
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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Here, we revisit this discussion in the context of the J2EE Pattern Catalog. As
discussed in Chapter 1, some experts define a pattern as a recurring solution to a
problem in a context. These terms — context, problem, and solution— deserve a
I I Service Locator 367 Service Locator Context Service lookup and creation
involves complex interfaces and network operations. Problem J2EE clients
interact with service components, such as EJB and JMS components, which
The process to look up and create components involves a vendor-supplied
context factory implementation. This introduces vendor dependency in the
application clients that need to use the JNDI lookup facility to locate the
enterprise beans ...
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J2EE Platform Overview
Design Considerations Bad Practices and Refactorings
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