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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I □ Example 7.20 Custom Tag Helper Strategy Sample Code <td><corepatterns :
employee at tr ibute= " Year lySalary " / >< / td> <td> </tr> </corepatterns :
employeelist> </table> </div> </body> </html> Business Delegate as Helper
It is desirable to reduce network traffic between client and business services.
Solution Use a Business Delegate to reduce coupling between presentation-tier
clients and business services. The Business Delegate hides the underlying ...
Translates Business Service Exceptions The Business Delegate is responsible
for translating any network or infrastructure-related exceptions into business
exceptions, shielding clients from knowledge of the underlying implementation ...
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J2EE Platform Overview
Design Considerations Bad Practices and Refactorings
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