tailieunhanh - Java - Core J2EE Patterns Best Practices and Design Strategies

Based on our collective J2EE platform experience, we have assembled the pattern catalog in this book. The J2EE Pattern Catalog describes various best practices related to architecting and designing applications for the J2EE platform. This book focuses on the following four J2EE technologies: Servlets, JSP, EJB components, and JMS | Core J2EE™ Patterns: Best Practices and Design Strategies Foreword Preface Sun Java Center and the J2EE Pattern Catalog What This Book is About? What This Book Is Not? Who Should Read this Book? How This Book is Organized Companion Website and Contact Information Acknowledgments I: PATTERNS AND J2EE 1. INTRODUCTION What Is J2EE ? What Are Patterns? J2EE Pattern Catalog Patterns, Frameworks, and Reuse Summary 2. J2EE PLATFORM OVERVIEW A Brief Perspective J2EE Platform J2EE Patterns and J2EE Platform Summary II: DESIGN CONSIDERATIONS, BAD PRACTICES, AND REFACTORINGS 3. PRESENTATION TIER DESIGN CONSIDERATIONS AND BAD PRACTICES Presentation Tier Design Considerations Presentation Tier Bad Practices 4. BUSINESS TIER DESIGN CONSIDERATIONS AND BAD PRACTICES Business Tier Design Considerations Business and Integration Tiers Bad Practices 5. J2EE REFACTORINGS Presentation Tier Refactorings Business and Integration Tier Refactorings General Refactorings III: J2EE PATTERN CATALOG - 1 - Part 3 includes the following four chapters: 6. J2EE PATTERNS OVERVIEW What Is a Pattern? Identifying a Pattern The Tiered Approach J2EE Patterns Guide to the Catalog J2EE Pattern Relationships Relationship to Known Patterns Patterns Roadmap Summary 7. PRESENTATION TIER PATTERNS Intercepting Filter Front Controller View Helper Consequences Related Patterns Composite View Service to Worker Dispatcher View 8. BUSINESS TIER PATTERNS Business Delegate Value Object Session Facade Composite Entity Value Object Assembler Value List Handler Service Locator 9. INTEGRATION TIER PATTERNS Data Access Object Service Activator Epilogue J2EE PATTERNS APPLIED PSA Overview Use Case Model Use Cases, Patterns, and Pattern Frameworks Create Project Use Case Reserve Resource Use Case Find Available Resources Use Case BIBLIOGRAPHY - 2 - Foreword In the world of software, a pattern is a tangible manifestation of an organization's tribal memory. A pattern provides a common solution to a common problem and so, within .