J2EE Best Practices, Java Design Patterns

Acknowledgments x
About the Author xi
Introduction xii
Overview of the Book and Technology xii
How This Book Is Organized xx
Who Should Read This Book xxiii
Tools You Will Need xxiii
What’s on the Web Site xxiv
Summary xxiv
Chapter 1 Building Business Applications with J2EE 1
Elements of Transactional,
Web-Based Business Applications 2
The Reference Architecture 4
The J2EE Platform Approach 9
The Model-View-Controller Architecture Approach 16
Best Practices for Building Business Applications
with J2EE 20
Summary 21
Chapter 2 The Business Object Architecture: Design Considerations 23
Business Objects in a Banking Application 25
Elements of Business Objects 26
Design Considerations 29
Best Practices for Designing Business Objects 50
Summary 53
Chapter 3 Building Business Objects: Managing Properties
and Handling Errors 55
Managing Properties 55
Value Objects and Lightweight Business Objects 83
Object Validation and Error Handling 87
Best Practices for Implementing Business Objects: Part One 102
Summary 103
Chapter 4 Building Business Objects: Persistence, Relationships,
and the Template Method Pattern 105
Object Persistence 105
The Base Class as a Template 159
Overall Business Object Metadata Approach 168
Data Caching 174
Best Practices for Implementing Business Objects: Part Two 185
Summary 188
Chapter 5 The Service-Based Architecture: Design Considerations 189
Elements of Service-Based Components 193
Design Considerations 196
Best Practices for Designing Service-Based Components 207
Summary 208
Chapter 6 Building Service-Based Components 209
The Actual Service Interface 209
An Implementation for Argument Lists 210
The Session Bean as a Component Wrapper to the Service 215
Responsibilities of the Service Component 221
Update Service Examples 225
Updating Multiple Business Objects 233
The New Customer Service 234
Data Retrieval Services 240
Building Generic, Reusable Services 251
Implementing the Controller Pattern in Services 253
Best Practices for Implementing Service-Based
Components 255
Summary 257
Chapter 7 The User Interaction Architecture: Design
Considerations and an Overview of Jakarta Struts 259
Elements of the User Interaction Architecture 261
Design Considerations 265
An Overview of Jakarta Struts 284
Best Practices for Designing the User
Interaction Architecture 298
Summary 300
Chapter 8 Building the User Interaction Architecture 301
The Change Address Page 301
The Change Address JSP 307
The View Accounts Page 332
The New Customer Wizard 342
A Template for the Action Class 362
Web Services 369
Best Practices for Implementing the
User Interaction Architecture 371
Summary 372
Chapter 9 Strengthening the Bank Application: Adding Security
and Advanced Functionality 375
Application Security 375
Interesting Aspects of the Bank Application 392
Best Practices for Advanced Web Application Development 417
Summary 418
Chapter 10 Performance 421
Overall Performance Approach 421
Performance in J2EE Applications 430
Best Practices for J2EE Performance Engineering 440
Summary 442
Chapter 11 Moving toward Reuse in the Reference Architecture 443
Common Roadblocks and Corresponding Best Practices 444
Reuse in the Reference Architecture 452
The Strategic View of the Architecture 454
Best Practices for Moving toward Reuse 456
Summary 457
Bibliography 459
Index 461

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