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JSP Tag Libraries [Paperback]

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Item description for JSP Tag Libraries by Gal Shachor...

Shows HTML and Java programmers how to create and use JSP tag components to perform iterations and access databases, and manipulate EJB's, e-mail systems, Java Beans, and e-commerce applications and WAP that work with cellular phones.

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Item Specifications...

Pages   656
Est. Packaging Dimensions:   Length: 9.17" Width: 7.36" Height: 1.34"
Weight:   2.4 lbs.
Binding  Softcover
Release Date   May 30, 2001
Publisher   Manning Publications
ISBN  193011009X  
ISBN13  9781930110090  

Availability  0 units.

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Product Categories

1Books > Subjects > Computers & Internet > General
2Books > Subjects > Computers & Internet > Networking > Networks, Protocols & API's > General
3Books > Subjects > Computers & Internet > Programming > General
4Books > Subjects > Computers & Internet > Programming > Java > General
5Books > Subjects > Computers & Internet > Web Development > Scripting & Programming > General

Reviews - What do customers think about JSP Tag Libraries?

Indepth coverage, excellent examples  Apr 5, 2002
This is a review I did for AustonJUG group. Since it is a long review (more than 1000 words), I only post the overview here....Working with other server side Java components, such as JavaBeans, EJBs and JDBC, properly designed custom tag libraries allow developers to encapsulate and reuse code. Custom tags create a tag-based content authoring environment and allow web authors to write highly dynamic web applications in HTML style without learning the Java programming language. So, architects, developers and content authors can all benefit from studying JSP custom tags.

Manning's book "JSP Tag Libraries" by Gal Shachor, Adam Chace and Magnus Rydin (ISBN 1-930110-09-X) is an excellent JSP custom tag text suited for both new and seasoned developers. This book covers JSP specifications 1.1 and 1.2.

One of the main strengths of this book is that it does not merely repeat API documentations. The authors put a lot of effort to show the readers the big picture, the philosophy behind JSP custom tags and how to apply them in real world applications. This book talks about "why" as well as "how".

After studying this book, the reader should be able to understand:

* What JSP custom tags are and why we need them;
* How custom tags work;
* How to use tags to perform common and advanced tasks;
* Steps to develop and deploy tag applications;
* Basic design patterns for tag applications;

The book is very well organized and well written. It is full of excellent code examples. Those examples put the techniques into context. The readers can learn effectively by playing with the examples. As added bonuses, the code examples can be easily adopted for real world applications. In section "Case Studies", the authors discuss two complete multi-tier E-commerce and M-commerce applications. They offer not only code examples on applying practical techniques but also insights and templates on how to design good JSP applications.

All the code examples in the book are annotated with in-depth explaining text. That truly helps readers to understand not only what the code is doing but also what the authors intended to do.

However, there are still things I wish the authors could improve in the next version:

1. The authors had excellent discussions on how to implement conditional tags, iteration tags and database access tags. But they did not mention similar tag libraries under development by the Jakarta Taglib project. I would really like to hear about their insights on the designs of Jakarta tag libraries and many similar libraries developed by commercial companies.

2. In the "Case Studies" part, it is quite easy to add a parallel WAP store front to the JDBC-driven WebStore through another set of custom tags. That would really drive home the power of separating business logic from presentation logic and highlight the flexibility of a JSP custom tag based solution. I wish the authors had done that.

Overall, I think this is an excellent book and would like to HIGHLY RECOMMEND it to anyone working with JavaServer Pages technology.

Best book on JSP Tags  Nov 11, 2001
There are now quite a few JSP books around and some of them mention JSP Tag libraries. In a typical n-tier web application, JSP tag libraries enable the presentation layer to be cleanly separated from the business layer. This allows simple scripted pages to call complex Java code without confusing the HTML web page Developer. By using JSP tag libraries, the developers have reusable code that can provide easy access to different J2EE services.

This book starts of with a quick introduction to dynamic web servers, Java servlets and Java Server Pages (JSP). We recommend that readers new to JSP should read a book dedicated to JSP before reading this one. Chapter 3 begins with an explaination of JSP custom tags, setting up the environment (Tomcat) and creating a simple Hello World tag. The authors provide enough information to explain the example without confusing the reader. They also suggest solutions to why the example might not work, providing a useful insight into what to check if something goes wrong.

Chapter 4 gives an overview of the tag API (interface and methods) and Chapter 4 explains how to create a tag lib descriptor (TLD) and how the JSP runtime uses this information to produce a servlet. Chapter 6 and 7 present some coding techniques to build a tag library and use an example of building a tag library for sending email. This is a simple and effective example that describes the process of developing and using JSP tab libraries.

Chapter 8 is important because it describes in detail how to use JavaBeans with tags. Starting off with information about the Reflection API, the authors show how to create a JavaBean and use Tags to present the information. This technique allows the developer to remove a lot of Java code from the JSP, making the page easier to understand and maintain. Chapter 9 and 10 show how to develop condition and interating tags.

Chapter 11 focuses on designing a database presentation tag library. This chapter answers many useful questions such as, Why not just wrap everything in a JavaBean? Again the authors give an exellent explaination of a very important topic. Realistically many readers would not be accessing a database directly from a tag library so the next chapters present J2EE and how to access Enterprise JavaBeans using tag libraries.

Chapters 13 and 14 are very interesting because they explain two case studies; a JDBC-driven web store and an EJB driven WAP store. The authors go over the design and development in quite a bit of detail and it is useful to all readers wanting to use JSP tag libraries in their projects. The last chapter covers tips and tricks, showing how to generalize tags using the Command design pattern and discussing maintainence, performance and debugging.

Suprisingly, the Apache Struts project is not mentioned in this book, however many of the concepts found in Struts are explained here. The authors have done an excellent job in explaining how to develop and use JSP tag libraries. We found the authors' insight very useful and on the whole the book is easy to read.

Great Book on JSP Tags  Nov 2, 2001
I have written several custom JSP tags and I wish this book had been available when I started, it would have saved lots of time. All of the issues I ran into during my development efforts have been clearly outlined in this book. I highly recommend this book for anyone interested in JSP custom tags. This book would be a great resource for those with some experience with custom tags. But it also provides a great introduction for those that are new to the topic.
For learning JSP Tags, this is your only option.  Oct 25, 2001
Most other books I have read on this topic include merely one or two chapters for custom JSP tags. This book gives you chapter after chapter of custom tags and holds your hand throughout the learning process. The authors are clearly developers themselves, which shows in the quality of the work. The beginning chapters are particularly useful for those who are completely new to the topic. In all, a fine book, I hold back giving it 5 stars due to the lack of discussion of Struts. Please add that to the next print, otherwise this is a valuable book that has no competitor in the market.
Excellent book  Oct 5, 2001
Contrary to the previous review, the Java classes in the book do compile. I highly recommend the book.

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