Professional Refactoring in Visual Basic.pdf

Professional

Refactoring in Visual Basic ®

Danijel Arsenovski

To Paola

Professional

Refactoring in Visual Basic®

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi

Part I: Introduction to Refactoring

Chapter 1: Refactoring: What’s All the Fuss About? . . . . . . . . . . . . . . . . . . . . 3

Chapter 2: A First Taste of Refactoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Chapter 3: Assembling a Refactoring Toolkit . . . . . . . . . . . . . . . . . . . . . . . . 59

Chapter 4: Rent-a-Wheels Application Prototype . . . . . . . . . . . . . . . . . . . . . . 87

Part II: Preliminary VB Refactorings

Chapter 5: Chameleon Language: From Weak Static Typing to

Strong Dynamic Typing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

Chapter 6: Error Handling: From Legacy to Structured in a

Few Easy Steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

Chapter 7: Basic Hygiene: Eliminating Dead Code, Reducing Scope,

Using Explicit Imports, and Removing Unused References . . . . . 173

Part III: Getting Started with Standard Refactoring

Transformations

Chapter 8: From Problem Domain to Code: Closing the Gap. . . . . . . . . . . . . 197

Chapter 9: The Method Extraction Remedy for Duplicated Code . . . . . . . . . 219

Chapter 10: Method Consolidation and Extraction Techniques . . . . . . . . . . 243

Part IV: Advanced Refactorings

Chapter 11: Discovering Objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271

Chapter 12: Advanced Object-Oriented Concepts and

Related Refactorings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323

Chapter 13: Code Organization on a Large Scale. . . . . . . . . . . . . . . . . . . . . 371

Continues

Part V: Refactoring Applied

Chapter 14: Refactoring to Patterns. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 407

Chapter 15: LINQ and Other VB 2008 Enhancements . . . . . . . . . . . . . . . . . 439

Chapter 16: The Future of Legacy VB Code. . . . . . . . . . . . . . . . . . . . . . . . . 465

Appendix A: Unleash Refactor!. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 483

Appendix B: Rent-a-Wheels Prototype Internals and Intricacies . . . . . . . . . 487

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 507