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A Field Guide to Java Direct Web Remoting (DWR)
In this article, I will discuss the Direct Web Remoting (DWR) technology developed by Joe Walker and maintained by the small IT consultancy Getahead in UK. This technology is a unique way of Ajax-enabling existing Java server-side code by exposing it in JavaScript. This sounds complicated but, in reality, the technology is relatively straightforward. It has some limitations, such as exposing overloaded Java methods or marshaling of very complex Java Objects to JavaScript and will work only in a web application server. But overall, DWR is a very powerful concept that works with any existing Java web application and makes the process of web remoting easier.
How to make Displaytag ajax enabled using DWR?
Displaytag doesn't offer Ajax out-of-the-box but we can of course try to add support for this using one of the many Ajax frameworks that are currently available.
Jean-Francois Arcand's Blog: Grizzly attacks! DWR's Reverse Ajax to support The Comet Implementation!
Since day one of Grizzly Comet, I'm getting requests on how to use DWR's Reverse Ajax with the monster. Well, I did my lesson and looked at the DWR's code and submitted a patch. Most probably the next official release will contains Grizzly Comet support!
Develop an Ajax-based file upload portlet using DWR
This article describes how to develop an Ajax-based file upload portlet using DWR. You will learn how you can use DWR to retrieve file upload progress from the portal server.
Ajax for Java developers: Write scalable Comet applications with Jetty and Direct Web Remoting
Ajax applications driven by asynchronous server-side events can be tricky to implement and difficult to scale. The Comet pattern allows you to push data to clients, and Jetty 6's Continuations API lets your application scale to a large number of clients.
Create an AJAX based Fileupload progressbar dialog
This tutorial shows how AJAX Struts File Upload Progress Meter has been combined with a custom tweaked version of Lightbox Gone Wild! to create a user friendly upload progress bar dialog with the web page below faded out.
O'Reilly Network Weblogs: Spring and DWR revisited
In his blog, Bram Smeets has described mechanisms for configuring the DWR Ajax library with Spring (http://bram.jteam.nl/?p=2 - please read it before proceeding with this post).
That document contains the complete guide that you will need to get started w
Developing AJAX Applications the Easy Way
DWR allows Javascript in a browser to interact with Java on a server and helps you manipulate web pages with the results.
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