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  • Book Overview & Buying DWR Java AJAX Applications
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DWR Java AJAX Applications

DWR Java AJAX Applications

By : Sami Salkosuo
5 (2)
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DWR Java AJAX Applications

DWR Java AJAX Applications

5 (2)
By: Sami Salkosuo
Buy this Book

Overview of this book

The initial part guides the reader through the features of DWR and how it works to make the developer ready for practical implementation. The later part contains plenty of code (with explanations) and graphical interface-driven step-by-step examples, which the reader can try out while surfing through the book to learn by doing. This book is written for competent Java developers and assumes that you are a professional rather than hobbyist. You should be familiar with the concepts of programming, Web 2.0, and AJAX.
Table of Contents (12 chapters)
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DWR Java AJAX Applications
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DWR Java AJAX Applications
Credits
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Credits
About the Author
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About the Author
About the Reviewers
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About the Reviewers
Preface
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Preface
Lock Free Chapter
1
Introduction
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Introduction
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What is AJAX?
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DWR: AJAX for Java Developers
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The DWR Community
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Summary
2
DWR Features
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DWR Features
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Ease of Use
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Reverse AJAX
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DWR JavaScript Libraries
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Converters
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Creators, Filters, and Signatures
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Integration with Other Projects
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Security
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Summary
3
Getting Started
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Getting Started
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Supported Browsers and Environments
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Configuration
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Setting up a Development Environment
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Testing and Debugging
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Error Handling
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Packaging and Deployment
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Summary
4
User Interface: Basic Elements
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User Interface: Basic Elements
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Creating a Dynamic User Interface
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Implementing Tables and Lists
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Implementing Field Completion
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Summary
5
User Interface: Advanced Elements
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User Interface: Advanced Elements
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Creating Forms
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Building a Navigation Tree
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Map Scrolling Using DWR
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Summary
6
Backend Integration
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Backend Integration
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Integrating a Database with DWR
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Integrating with Web Services
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Integrating with a Messaging System
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Summary
7
Sample Applications
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Sample Applications
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Collaborative Book Authoring
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Chatroom
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Summary

DWR JavaScript Libraries

DWR includes a few JavaScript libraries that are required for DWR to work and that are also helpful for developers: engine.js, util.js, and gi.js.

The first JavaScript library, engine.js, is the core of DWR's browser-side functionality, and is required for all the pages that use AJAX and DWR. The second library, util.js, contains useful utility functions but is not required for DWR. And the third library, gi.js, is used to integrate DWR with TIBCO General Interface (GI) for AJAX Applications.

engine.js

The engine.js library is mandatory for DWR applications since it has functions to marshal calls from the dynamically generated JavaScript functions to remote Java classes in the server. The following fragment must be present in all HTML pages that need DWR functionality:

<script type='text/javascript' src='/<web app name>/dwr/engine.js'>
</script>

There are a number of options and methods in the engine.js library. The functions in the library are prefixed...

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Tech Concepts
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Programming languages
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DWR Java AJAX Applications
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