Ajax in Oracle Jdeveloper

By: Deepak Vohra

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Paperback | 1 March 2008

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240 Pages

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22.86 x 15.24 x 1.27

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Asynchronous JavaScript and XML (Ajax) is a web technique used to transfer data between a browser and server asynchronously without posting the web page to the server. "Asynchronously" implies that the processing of the web page continues while the Ajax request is sent to the server and a response is received from the server. The web page, or section(s) of the web page, is refreshed with the Ajax response without reposting the web page. Ajax has the following advantages over non-Ajax web applications.

- Reduced response time and reduced server load, as the complete web page is not reposted.

- Reduced bandwidth of web applications as only data is transferred and the HTML format is applied in the browser.

- Separation of data, format and style.

The book covers web search and RSS Feed with Ajax as well as form validation with Ajax frameworks for Java, JSP, JSF, and PHP. It discusses using Ajax in Oracle JDeveloper and is IDE based. JDeveloper has the following advantages over Eclipse IDE.

- JDeveloper 11g provides an integrated JavaScript Editor for Ajax/Web development.

- It also provides a PHP extension.

- JDeveloper has a built-in support for JSF and for JDBC.

Industry Reviews

From the reviews:

"This technical reference is both a general guide to Asynchronous JavaScript and XML (Ajax) and a specific guide that focuses on a single development tool, Oracle JDeveloper 11g. ... The book provides numerous Java screen shots and coding examples, helping users to step through their understanding of each process. ... Useful for Ajax software developers using Oracle JDeveloper. Summing Up: Recommended. Upper-division undergraduates through professionals; technical program students." (H. J. Bender, Choice, Vol. 46 (2), October, 2008)

"It offers an overview of all of the options available for adding Ajax to an application developed with JDeveloper. ... The summary tables of the key methods and properties would prove very useful to new developers. ... For any JDeveloper user wishing to add Ajax to their application and unsure about which approach to take, this book would make an excellent resource, providing a very useful high-level overview." (Stephen Smith, Library & Information Update, July/August, 2009)

"This book will provide you with new knowledge concerning the binding of AJAX parts and the creation of a functional web AJAX application. ... The examples are detailed enough for beginners to easily understand and implement them in their own web application. ... This book is an ideal one for librarians who create and maintain web sites ... . I would also recommend the book to students who learn AJAX. ... All in all, the book is very useful, not too hard to read." (Tomislav Jakopec, International Cataloguing and Bibliographic Control, Vol. 38 (2), April/June, 2009)

"The book starts by explaining the basics and the core of Ajax. ... The book is a well-written mix of different areas, with a lot of screen shots explaining the various steps needed to create Ajax-based applications. ... The target readers for this book are developers who already know HTML, JavaScript, and XML, who want to produce their Websites using Ajax, and who also want to use a kind of programming environment. For this group, the book is highly recommended." (K. Waldhoer, ACM Computing Reviews, June, 2009)

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You Can Find This Book In

Non-Fiction Computing & I.T.Graphical & Digital Media Applications Web Graphics & Design Computer Programming & Software Development Software Engineering Operating Systems Computer Science Databases Database Software Oracle Programming & Scripting Languages

Preface	p. V
Motivation for this Book	p. V
Who Should Read this Book?	p. VI
Outline to the Book Structure	p. VII
Prerequisite Skills	p. VIII
Acknowledgements	p. VIII
About the Author	p. IX
Contents	p. XI
What is Ajax?	p. 1
Introduction	p. 1
What is XMLHttpRequest?	p. 2
XMLHttpRequest Object Properties	p. 2
The readyState Property	p. 3
The onreadystatechange Property	p. 3
The responseText Property	p. 3
The responseXML Property	p. 4
The status Property	p. 4
The statusText Property	p. 4
XMLHttpRequest Object Methods	p. 5
The abort() Method	p. 5
The open() Method	p. 5
The send() Method	p. 5
The setRequestHeader() Method	p. 6
The getResponseHeader() Method	p. 6
The getAllResponseHeaders() Method	p. 6
Sending an Ajax Request	p. 7
Processing an Ajax Request	p. 8
JDeveloper Integrated JavaScript Editor	p. 10
Summary	p. 17
Developing an Ajax Web Application	p. 19
Introduction	p. 19
Setting the Environment	p. 19
Sending an Ajax Request	p. 29
Processing an Ajax Request on the Server Side	p. 31
Processing an Ajax Response	p. 35
Summary	p. 44
Less JavaScript with Prototype	p. 45
Introduction	p. 45
Overview of Prototype	p. 45
$() function	p. 45
$F() function	p. 46
$A() function	p. 46
$H() function	p. 46
$R() function	p. 46
$w() Function	p. 47
Try.these function()	p. 47
Ajax.Request Class	p. 47
Ajax.Updater Class	p. 49
Ajax.PeriodicalUpdater Class	p. 50
Installing Prototype	p. 50
Configuring Prototype in AJAX Web Application	p. 51
Updating a DOM Element with Ajax.Updater	p. 58
Summary	p. 60
Ajax with Java-GWT	p. 61
Introduction	p. 61
Installing GWT	p. 61
Creating a GWT Application	p. 62
GWT Class Libraries	p. 75
Creating a Form Validation Ajax Application	p. 77
Summary	p. 87
Ajax with Java-DWR	p. 89
Introduction	p. 89
Setting the Environment	p. 89
Creating a DWR Application	p. 90
Deploying and Running the DWR Application	p. 103
Summary	p. 106
Ajax without JavaScript - AjaxTags	p. 107
Introduction	p. 107
Setting the Environment	p. 107
Overview of AjaxTags	p. 111
Installing AjaxTags	p. 113
Validating a Form with AjaxTags	p. 114
Summary	p. 128
Ajax with JSF-Ajax4jsf	p. 129
Introduction	p. 129
Overview of Ajax4jsf	p. 129
Ajax Filter	p. 130
Ajax Action Components	p. 130
Ajax Containers	p. 130
JavaScript Engine	p. 130
Ajax4jsf Component Library	p. 130
Setting the Environment	p. 132
Creating an Ajax4jsf Application	p. 133
Sending an Ajax Request	p. 145
Processing an Ajax Request	p. 148
Processing the Ajax Response	p. 154
Summary	p. 158
Ajax with PHP-Xajax	p. 159
Introduction	p. 159
Setting the Environment	p. 160
Integrating PHP with JDeveloper	p. 161
Creating a Database Table	p. 164
Sending an Ajax Request	p. 167
Processing an Ajax Request	p. 169
Processing the Ajax Response	p. 172
Summary	p. 179
RSS Feed with Ajax	p. 181
Introduction	p. 181
Overview of Google Ajax Feed API	p. 182
Setting the Environment	p. 184
Receiving a RSS Feed	p. 186
Receiving Multiple Feeds	p. 191
Summary	p. 194
Web Search with Ajax	p. 195
Introduction	p. 195
Setting the Environment for Google Search	p. 195
Overview of Google Ajax Search API	p. 197
Creating a Google Ajax Web Search Application	p. 199
Web Search with Yahoo Web Services	p. 203
Creating an Ajax Web Search Application for Yahoo	p. 205
Sending an Ajax Request with Yahoo Search Web Services	p. 210
Running the Yahoo Ajax Web Search Application	p. 217
Summary	p. 219
Index	p. 223
Table of Contents provided by Ingram. All Rights Reserved.

Ajax in Oracle Jdeveloper

At a Glance

Paperback

Industry Reviews

Shipping

How to return your order

Defective items

You Can Find This Book In

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