View Larger Image	Russ Miles O'Reilly Media, Paperback, Published December 2004, 331 pages, ISBN 0596006543
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• Programming : Object-Oriented
• Programming : Software Development
• Other Topics : Open Source
• * Series - Int/Adv Users : O'Reilly Cookbooks

• O'Reilly Media

Many developers are interested in AOP--especially in AspectJ, the open source extension of the Java programming language that explicitly supports the AOP approach. Yet, although AspectJ is included with Eclipse, the increasingly popular open source IDE for Java, finding a practical and non-theoretical way to learn this language and other AOP tools and techniques has been a real problem.

Until now. The AspectJ Cookbook offers a hands-on solution--in fact, several--with a wide variety of code recipes for solving day-to-day design and coding problems using AOP's unique approach.

AOP allows the global properties of a program to determine how it's compiled into an executable program. Before AOP, important program design decisions were difficult to capture in actual code. Instead, the implementation of those design decisions--known as "aspects"--were scattered throughout, resulting in "tangled" code that was hard to develop and maintain. AOP has been compared to the manufacturing of cloth, in which threads are automatically interwoven. Without AOP, programmers must stitch the threads by hand.

The AspectJ Cookbook shows readers why, and how, common Java development problems can be solved by using AOP techniques. With our popular problem-solution-discussion format, the book presents real world examples to demonstrate that AOP is more than just a concept; it's a development process that will benefit users in an immediate and visible manner.

If you're interested in how AOP is changing the way software is developed, and how you can use AspectJ to make code more modular, easier to develop, maintain, evolve and deploy, this is the book that really delivers.

Table of Contents

Preface

1. Aspect Orientation Overview

1.1 AspectJ
1.2 A Definition Of Aspect Orientation
1.3 Where To Go For More Information

2. Getting Started With AspectJ

2.1 Installing AspectJ
2.2 Developing A Simple Aspect
2.3 Compiling an Aspect and Multiple Java Files
2.4 Weaving Aspects into Jars
2.5 Weaving Aspects at Load-Time
2.6 Generating Javadoc Documentation
2.7 Compiling an AspectJ Project using Eclipse
2.8 Selecting the Aspects that are Woven in a Build within Eclipse
2.9 Building an AspectJ Project using Ant

3. Deploying AspectJ Applications

3.1 Deploying a Command Line AspectJ Application
3.2 Deploying an AspectJ Application as a fully contained Executable .Jar file
3.3 Deploying a Java Servlet that uses AspectJ
3.4 Deploying a JSP that uses AspectJ
3.5 Deploying an Axis Web Service that uses AspectJ

4. Capturing Join Points on Methods

4.1 Capturing a Method Call
4.2 Capturing the Parameter Values passed on a Method Call
4.3 Capturing the Target of a Method Call
4.4 Capturing a Method when it is Executing
4.5 Capturing the Value of the "this" Reference when a Method is Executing

5. Capturing Join Points on Exception Handling

5.1 Capturing when an Exception is Caught
5.2 Capturing the Thrown Exception
5.3 Capturing the Object Handling the Exception

6. Capturing Join Points on Advice

6.1 Capturing when Advice is Executing
6.2 Excluding Join Points that are a Result of Advice Execution
6.3 Exposing the original Join Point when Advice is being Advised

7. Capturing Join Points on Class and Object Construction

7.1 Capturing a Call to a Constructor
7.2 Capturing a Constructor when it is Executing
7.3 Capturing when an Object is Initialized
7.4 Capturing when an Object is about to be Initialized
7.5 Capturing when a Class is Initialized

8. Capturing Join Points on Attributes

8.1 Capturing when an Object's Attribute is Accessed
8.2 Capturing the Value of the Field being Accessed
8.3 Capturing when an Object's Field is Modified
8.4 Capturing the Value of a Field when it is Modified

9. Capturing Join Points within Programmatic Scope

9.1 Capturing all Join Points within a particular Class
9.2 Capturing all Join Points within a particular Package
9.3 Capturing all Join Points within a particular Method

10. Capturing Join Points based on Control Flow

10.1 Capturing all Join Points within a Program's Control Flow initiated by an Initial Join Point
10.2 Capturing all Join Points within a Program's Control Flow, Excluding the Initial Join Point

11. Capturing Join Points based on Object Type

11.1 Capturing when the "this" reference is a specific Type
11.2 Capturing when a Join Point's Target Object is a specific Type
11.3 Capturing when the Arguments to a Join Point are a certain Number, Type and Ordering

12. Capturing Join Points based on a Boolean or Combined Expression

12.1 Capturing when a Runtime Condition evaluates to True on a Join Point
12.2 Combining Pointcuts Using a Logical AND (&&)
12.3 Combining Pointcuts Using a Logical OR (||)
12.4 Capturing all Join Points NOT specified by a Pointcut Definition
12.5 Declaring Anonymous Pointcuts
12.6 Reusing Pointcuts

13. Defining Advice

13.1 Accessing Class Members
13.2 Accessing the Join Point Context
13.3 Executing Advice Before a Join Point
13.4 Executing Advice Around a Join Point
13.5 Executing Advice Unconditionally After a Join Point
13.6 Executing Advice Only After a Normal Return from a Join Point
13.7 Executing Advice Only After an Exception has been raised in a Join Point
13.8 Controlling Advice Precedence
13.9 Advising Aspects

14. Defining Aspect Instantiation

14.1 Defining Singleton Aspects
14.2 Defining an Aspect Per-Instance
14.3 Defining an Aspect Per-Control Flow

15. Defining Aspect Relationships

15.1 Inheriting Pointcut Definitions
15.2 Implementing Abstract Pointcuts
15.3 Inheriting Classes into Aspects
15.4 Declaring Aspects Inside Classes

16. Enhancing Classes and the Compiler

16.1 Extending An Existing Class
16.2 Declaring Inheritance between Classes
16.3 Implementing Interfaces using Aspects
16.4 Declaring a Default Interface Implementation
16.5 Softening Exceptions
16.6 Extending Compilation

17. Implementing Creational Object-Oriented Design Patterns

17.1 Implementing the Singleton Pattern
17.2 Implementing the Prototype Pattern
17.3 Implementing the Abstract Factory Pattern
17.4 Implementing the Factory Method Pattern
17.5 Implementing the Builder Pattern

18. Implementing Structural Object-Oriented Design Patterns

18.1 Implementing the Composite Pattern
18.2 Implementing the Flyweight Pattern
18.3 Implementing the Adapter Pattern
18.4 Implementing the Bridge Pattern
18.5 Implementing the Decorator Pattern
18.6 Implementing the Proxy Pattern

19. Implementing Behavioral Object-Oriented Design Patterns

19.1 Implementing the Observer Pattern
19.2 Implementing the Command Pattern
19.3 Implementing the Iterator Pattern
19.4 Implementing the Mediator Pattern
19.5 Implementing the Chain of Responsibility Pattern
19.6 Implementing the Memento Pattern
19.7 Implementing the Strategy Pattern
19.8 Implementing the Visitor Pattern
19.9 Implementing the Template Method Pattern
19.10 Implementing the State Pattern
19.11 Implementing the Interpreter Pattern

20. Applying Class and Component Scale Aspects

20.1 Validating Parameters Passed to a Method
20.2 Overriding the Class Instantiated on a Call to a Constructor
20.3 Adding Persistence to a Class
20.4 Applying Mock Components to Support Unit Testing

21. Applying Application Scale Aspects

21.1 Applying Aspect-Oriented Tracing
21.2 Applying Aspect-Oriented Logging
21.3 Applying Lazy Loading
21.4 Managing Application Properties

22. Applying Enterprise Scale Aspects

22.1 Applying Development Guidelines and Rules
22.2 Applying Transactions
22.3 Applying Resource Pooling
22.4 Remoting a Class Transparently using RMI
22.5 Applying a Security Policy

23. Applying Aspect-Oriented Design Patterns

23.1 Applying the Cuckoo's Egg Design Pattern
23.2 Applying the Director Design Pattern
23.3 Applying the Border Control Design Pattern
23.4 Applying the Policy Design Pattern

A. The AspectJ Runtime API

Index

About the Author

Russell Miles works as a software engineer for General Dynamics UK where he works with Java and Distributed Systems, although his passion at the moment is Aspect Orientation and in particular AspectJ. To ensure he has as little spare time as possible Russ contributes to various open source projects whilst working on books for O'Reilly and is currently studying at Oxford University in England for an MSc in Software Engineering.

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