Chapter One Introduction to Prefactoring

1. What Is Prefactoring?

2. The Three Extremes

3. The Guidelines Explored

4. The Context for This Book

Chapter Two The System in So Many Words

1. Meet Sam

2. Reinvention Avoidance

3. What's in a Name?

4. Splitters Versus Lumpers

5. Clumping

6. Abstracting

7. Prototypes Are Worth a Thousand Words

Chapter Three General Development Issues

1. Start with the Big Picture

2. Interface Contracts

3. Validation

4. Code Communicates

5. Consistency Is Simplicity

6. A Prefactoring Attitude

7. Don't Repeat Yourself

8. Documentation of Assumptions and Decisions

9. Dealing with Deviations and Errors

10. Speeding

11. The Spreadsheet Conundrum

12. Tools Are Tools—Use Them Wisely

Chapter Four Getting the Big Picture

1. The Rest of the Story

2. Process

3. The Initial Design

4. Global Planning, Local Designing

5. Testing Functionality

6. Testing Quality

7. Security

Chapter Five Got Class?

1. Categories and Classes

2. Declaration Versus Execution

3. Appropriate Inheritance

4. Communicate with Text

5. More Than One

Chapter Six A Few Words on Classes

1. Honor the Class Maxims

2. Three Laws of Objects

3. Need Determines Class

4. Polymorphism

5. One Little Job

6. Policy Versus Implementation

7. Extreme Naming

8. Overloading Functions

Chapter Seven Getting There

1. Where We Are

2. Separating Concerns

3. Migrating to the New System

Chapter Eight The First Release

1. The Proof Is in the Pudding

2. Retrospective Time

3. The System as It Stands Now

4. Operations Interface

5. Abstract Data Types

6. Configuration

7. Testing

8. Dealing with Deviations and Errors

9. A Little Prefactoring

10. The First Released Iteration

11. Sometimes Practice Does Not Match Theory

12. The Rest of the Classes

Chapter Nine Associations and States

1. Sam's New Requirement

2. Who's in Charge?

3. The State of an Object

Chapter Ten Interfaces and Adaptation

1. The Catalog Search Use Case

2. Designing the Interface

3. Interface Development

4. Interface Testing

5. Interface Splitting

6. Something Working

Chapter Eleven Zip Codes and Interfaces

1. Adaptation

2. Pass the Buck

3. Unwritten Code

4. Indirection

5. Logging

6. Paradigm Mismatch

Chapter Twelve More Reports

1. Fancy Reports

2. Change Happens

3. Exports

Chapter Thirteen Invoices, Credit Cards, and Discounts

1. The Next Step

2. The Language of the Client

3. Security and Privacy

Chapter Fourteen Sam Is Expanding

1. The Second Store

2. A New Development

3. The Third Store

4. Goodbye Sam

5. Generality

Chapter Fifteen A Printserver Example

1. Introduction

2. The System

3. The Message

4. Testing

5. Logging

6. Still More Separation

7. Epilogue

Chapter Sixteen Antispam Example

1. The Context

2. Spam Checking

3. The ReceivingMailServer

4. ReceivedMailExaminer

5. The Full Flow

Chapter Seventeen Epilogue