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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In this case the business logic is encapsulated in a JavaBean, which aids in
content retrieval and adapts and stores the model for use by the view. Using the
JavaBean Helper Strategy requires less upfront work than does the Custom Tag
Forces • Authentication and authorization checks are completed per request. •
Scriptlet code within views should be minimized. • Business logic should be
encapsulated in components other than the view. • Control flow is relatively
simple and ...
f Sample Code Implementing the Session Facade Consider a Professional
Services Application (PSA), where the workflow related to entity beans (such as
Project, Resource) is encapsulated in ProjectResourceManagerSession,
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J2EE Platform Overview
Design Considerations Bad Practices and Refactorings
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