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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JavaBean Helper Strategy The helper is implemented as a JavaBean. Using
helpers results in a cleaner separation of the view from the business processing
in an application, since business logic is factored out of the view and into the
Note on Helpers: JavaBean helpers are best used for aiding in content retrieval
and storing and adapting the model for the view. JavaBean helpers are often
used as command objects as well. Like JavaBean helpers, custom tag helpers
JSP View Strategy See “JSPView Strategy” on page 190. Servlet View Strategy
See “Servlet View Strategy” on page 191. JavaBean View Management Strategy
View management is implemented using JavaBeans, as shown in Example 7.22.