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Jakarta Pitfalls: Time-Saving Solutions for Struts, Ant, JUnit, and Cactus (Java Open Source Library) [Paperback]

Bill Dudney , Jonathan Lehr
4.5 out of 5 stars  See all reviews (8 customer reviews)
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Book Description

July 11 2003 Java Open Source Library
  • Ideal intermediate-level book for programmers to turn to once they have read the introductory books.
  • Identifies what can go wrong and provides refactored solutions for each pitfall complete with code.
  • All of the pitfalls are cross-referenced within the text as well as outlined in a summary table in the back of the book.
  • Includes background information and troubleshooting tips so programmers can avoid other errors that may also occur.
  • The Web site contains all of the refactored code solutions and links to appropriate tool downloads.

Product Details


Product Description

From the Back Cover

Escape from common coding pitfalls with this detailed book of proven Jakarta missteps and solutions

The dangers of Jakarta pitfalls are everywhere and countless developers have already been trapped. These mistakes have delayed schedules, allowed major bugs to get into the users’ hands, or led to numerous rewrites in maintenance. Luckily, you don’t have to be the next victim. This comprehensive book captures some of the most common pitfalls that occur with Jakarta and provides you with the solutions to escape them. Focusing on Struts, Ant, Cactus, and JUnit, the authors describe each pitfall in detail, explain how developers have walked into the trap, and discuss the common symptoms and consequences.

They then arm you with a proven solution for each pitfall and take you step-by-step through the process of converting from error-ridden to pitfall-free code. In the end, the pitfalls and solutions presented inside will help you build superior applications that are easier to maintain.

This book will save you from the frustration of having to spend hours working your way out of pitfalls such as:

  • Failing to isolate tests or subjects in Cactus and JUnit
  • Overloading Struts ActionMappings
  • Calculating derived values in JSPs
  • Duplicating formatting and type conversion code in Struts Action Forms
  • Building subprojects
  • Performing business logic in Struts ActionForms

The companion Web site contains all the code examples and solutions in the book.

About the Author

BILL DUDNEY is a Java architect with Object Systems Group. He has been building J2EE™ applications and software for five years and has been doing distributed computing for almost fourteen years. He is the coauthor of J2EE AntiPatterns (from Wiley).

JONATHAN LEHR is an independent consultant with more than twenty years of experience in software development and training. He has designed e-commerce applications for Fortune 100 companies.


Inside This Book (Learn More)
First Sentence
With the advent of Extreme Programming (XP) and its emphasis on refactoring, unit testing has gained in popularity and exposure. Read the first page
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Concordance
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Front Cover | Copyright | Table of Contents | Excerpt | Index | Back Cover
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Customer Reviews

4.5 out of 5 stars
4.5 out of 5 stars
Most helpful customer reviews
5.0 out of 5 stars Using Struts? Buy this book! Oct. 4 2003
Format:Paperback
I have to admit that I am a big fan of antipattern books. There are many ways to code an application but a few of those ways will cause problems in the long run both in debugging and maintenance. This book looks at four of the most popular Jakarta applications, JUnit, Cactus, Struts, and Ant, and shows the most common problems that you encounter when using these applications. The book gives a chapter each to Ant and the two testing applications JUnit and Cactus but the majority of the book is dedicated to Struts.
Each chapter looks at several programming mistakes and then discusses ways to revise your code to fix these mistakes and make your code more robust. The problems with certain coding styles are well explained with clear reasoning as to why you don't want to code a particular way. Corrective solutions are well documented with plenty of code samples to show both before and after images.
Although the chapters on testing and Ant are good, the heart of the book is the chapters on Struts. The authors discuss potential problems using Actions, ActionForms, and the Struts tag library. Some problems can just make your code more difficult to maintain while others can introduce intermittent bugs that are very difficult to diagnose. Anyone who is using Struts should absolutely read these chapters, as it will save you from making some simple mistakes that could cause a lot of long-term pain in your development.
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5.0 out of 5 stars Practical Guide to Avoiding Common Mistakes Sept. 8 2003
Format:Paperback
If you are working with Struts, Ant, or incorporating automated unit testing into your development process (shame on you if your aren't!), then this is a valuable book. This book is especially useful for less experienced developers in that it encapsulates some common mistakes that us more experienced developers have learned the hard way. I wish there were more books like this out there. Having compact catalogs of common mistakes made with popular technologies and ways of avoiding them (with examples) is a great resource. My hat is off to the authors and Wiley for providing this book, and I hope others will follow.
As a note, I especially like how the book is organized. Each pitfall has its own section and is formatted the same as the others. You get a description of each pitfall, indicators of its existence, an example of the pitfall in action, and steps for refactoring code to achieve a better solution. You can easily read through the book sequentially (due to its laid back writing style) or use it as a reference.
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5.0 out of 5 stars required reading Aug. 26 2003
Format:Paperback
Dudney and Lehr have put together and excellent catalog of common pitfalls that occur when using Ant, Cactus, JUnit, and Struts. This book will help you identify pitfalls in your code and provides practical solutions for solving them. For each pitfall, a description is given along with step-by-step instructions for digging your code out of it. Accompanying the text are examples of code stuck in the pitfall and code that has been fixed.
How often have you or someone you worked with used System.out.println() to verify test results? This is pitfall 1.3: Console-Based Testing. Detailed examples show how to get out of this pitfall for both JUnit and Cactus based tests. In addition to solving the problem at hand, the authors explain how you might fall into the pitfall and how to avoid it in the future.
Have you ever written a getSomethingAsString() method in your model so that you can populate a Struts ActionForm? This is Pitfall 2.1: Copy/Paste Formatting. On the JSP front, this code: <bean:message key="label.invoice.number"/> may look familiar, however, it is Pitfall 4.2: Hard-Coded Keys in JSPs.
Jakarta Pitfalls is replete with practical examples and solutions. I cannot say enough about this book, other than it will be required reading for all projects I am on.
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By A Customer
Format:Paperback
This is an important book. If you're new to any of these tools, don't waste your time hitting the same potholes that everyone else has. The authors took some good notes in trenches, and they present their pitfalls in a structure way that builds one upon another.
I just wish this book was available when I was first getting started with Cactus!? It will be at my elbow as I start my upcoming Struts project.
(The only reason I didn't give this book 5 stars is that I ran across a few typos.)
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