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Ajax on Java
This practical guide shows you how to make your Java web
applications more responsive and dynamic by incorporating
new Ajaxian features, including suggestion lists,
drag-and-drop, and more. Java developers can choose between
many different ways of incorporating Ajax, from building
JavaScript into your applications "by
hand" to using the new
Google Web Toolkit (GWT).
Ajax on Java starts with an introduction to Ajax, showing
you how to write some basic applications that use
client-side JavaScript to request information from a Java
servlet and display it without doing a full page reload. It
also presents several strategies for communicating between
the client and the server, including sending raw data, and
using XML or JSON (JavaScript Object Notation) for sending
more complex collections of data.
The book then branches out into different approaches for
incorporating Ajax, which include:
The Prototype and script.aculo.us Javascript libraries, the
Dojo and Rico libraries, and DWR
Integrating Ajax into Java ServerPages (JSP) applications
Using Ajax with Struts
Integrating Ajax into Java ServerFaces (JSF) applications
Using Google's GWT, which offers a pure Java approach to
developing web applications: your client-side components are
written in Java, and compiled into HTML and JavaScript
Ajax gives web developers the ability to build applications
that are more interactive, more dynamic, more exciting and
enjoyable for your users. If you're a Java developer and
haven't tried Ajax, but would like to get started, this book
is essential. Your users will be grateful.
Preface
1. Setup
Requirements
Installing Tomcat
Installing Ant
2. JavaScript for Ajax
Creating the Application
Running the Example
3. A Simple Ajax Servlet
Building and Deploying the Ajax Application
Running the Example
4. XML and JSON for Ajax
The Character Decoder
Setting Up a Simple XML Document
Back on the Client: Mining the XML
Building the Application
Running the Application on Tomcat
Passing Data with JSON
Summary
5. Getting Useful Data
Form Entry with Ajax
Building a Suggestion Field
6. Ajax Libraries and Toolkits
Using the Dojo Toolkit
Using the Rico Toolkit
Using DWR with Ajax
Drag 'n' Drop with Scriptaculous and Prototype
7. Ajax Tags
Creating a Tag Library
Third-Party Tag Libraries
8. Ajax on Struts
Struts-Layout
Adding Ajax to Struts with DWR
Ajax with Struts: What Have We Learned Here?
9. JavaServer Faces and Ajax
The JSF Lifecycle
Writing a Custom JSF Component
Developing a Custom JSF Tag
Handling JSF Input by Extending HtmlInputText
Writing the JSF Support for Ajax
Summary
10. Google Web Toolkit
Getting Started with GWT
Debugging the Application
Fleshing Out the Application: The Client
Supplying Services to the Client
Testing ZipCodes with the Service
GWT Widgets
Index
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