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Content Tagged with 2.0 + Java
Update on the schedule for the Java EE 6 Platform
In case you missed the news, JAX-RS 1.0 (JSR-311) was the first specification scheduled for inclusion in Java EE 6 to reach the final stage. My thanks to the spec leads, Marc Hadley and Paul Sandoz, the entire expert group and the very active community around JAX-RS for making this happen!
Ajaxified Body...
I've often wondered if it was possible to use Ajax to reload the main content of a web application without reloading the header, menu and footer. SiteMesh allows you to move these common elements to a decorator that gets wrapped around each page.
Http Sub-Sessions for different browser tabs (in IWebMvc2)
IWebMvc2 now includes the code to allow different (sub)sessions for each tab in your web application. The approach and the code is explained in detail.
HTML 5 WebSocket cracks the HTTP request-response barrier
Jonas Jacobi and John Fallows, the founders of Kaazing talk of the need for two way communication and compare it with established request-response and Ajax models of communication. They also touch on how WebSocket can be used in JavaEE applications and its impact on existing architecture and code.
The Great GWT Roundup
Over the past two months or so we here at the web builer zone, thanks to Manning Publishing, have been publishing a comprehensive series on GWT. We recently published the last in the series and I thought that it would be a good idea to create a sort of index of all of these articles.
Serialising Java Objects to RDF with Jersey
This article shows how it is easy to publish any graph of Java Objects to the web using simple annotations and without having to invent any new format. A simple example shows how one can publish a social network that links into the vast existing web of data. Jersey is the reference implementation of JAX-RS the Java API for RESTful Web Services.
Optimize your existing JDBC apps using pureQuery
Data Studio Developer and Data Studio pureQuery Runtime include a new feature called client optimization that enables developers to take advantage of the benefits of static SQL execution without having to modify their existing custom-developed, framework-based, or packaged JDBC applications. In this tutorial, learn how to use the tooling provided by Data Studio Developer to enable a JDBC application to use this new capability.
GWT: Building A Model
The model layer of a GWT application has to be a little bit smarter than the model in many traditional web applications. It needs to be responsible for notifying the view layer of changes, as well as for receiving updates to its own structure. In desktop Java development, this is accomplished through the use of PropertyChangeEvents and PropertyChangeListeners that bind the data from the model to the view components. The view layer "listens" for changes to the model and updates itself accordingly, using the Observer pattern. This can be done in GWT development as well.
Java EE meets Web 2.0
Many principles that underlie the Java EE platform's design — especially, the use of synchronous APIs — don't apply to the requirements of Web 2.0 solutions. This article explains the disparity between the Java EE and Web 2.0 approaches, explores the benefits of asynchronous designs, and evaluates some solutions for developing asynchronous Web applications with the Java platform.
JSF 2.0 New Feature Preview Series (Part 2.2): Resources
This is the third blog in the JSF 2.0 New Feature Preview Series. The previous entry covered packaging of resources. Now we'll cover the APIs that back this feature.
Google Web Toolkit in less than 160 Words
Google Web Toolkit (GWT) is an opensource project that gives you the tools needed to write Java using a Swing-like API. You then run/debug your Java code within your preferred IDE and immediately see the effect of what you wrote.
Gnip, Online Message Oriented Middleware (MOM)
Here’s where Gnip comes in, an online message oriented middleware aka integration service provider, offering capabilities such as protocol abstraction, channel optimization through hub and spoke model, data standardization.
Compare Java Web Frameworks
A detailed comparison between most popular java web frameworks. You will find it usefull if you are confused over 200 java web frameworks.
Tutorial: Getting started with GWT and the GWT Designer by Instantiations
The GWT team has a very good tutorial for beginners. I've taken that tutorial and modified it to work with Instantiations GWT Designer. If you've wanted to get started with GWT painlessly then this tutorial is probably for you.
URL-based session is insecure and so is JavaBlogs.com
For all I know this issue could be a very old and well-known one, but I never heard of it and apparently neither have JavaBlogs owners. If you’re making a public site make sure to keep this in mind.Tapestry 5 IoC Binding and Building Services
Tapestry 5 includes its own internal Inversion of Control container. This is often a point of contention ... why not just use Spring or (in more recent conversations) Guice?Cloud computing with Amazon Web Services, Part 2: Storage in the cloud with Amazon Simple Storage Service (S3)
New introductory article on S3 written by one of the members of the Ylastic team published by IBM Developerworks.Writing Portlets in Wicket using the OpenPortal Portlet Server
There is a nice integration of OpenPortal (the Sun Java System We Made This Name So Long You Can't Say It Portal Server by any other name) with NetBeans, for one-click deployment. But OpenPortal is missing the Apache Portlet Bridges stuff necessary to use the wicket portlet. So I wrote an implementation last night. It's not beautiful, and is currently tied to Wicket, but it will get you going.Selenium Vs WebTest
Selenium and WebTest are two frameworks available for web test automation. This article compares both frameworks based on a set of 8 questions to help to choose between them.JavaFX complete guide
JavaFX is being extremely popular as Rich Internet Application development technology in the present development world. Read complete information along with example program. Also download the PDF magazine free.Build a(nother) RESTful Web Service in Just a Minute
This article will show you how you can write and deploy another one-minute web service. The previous article showed how to write a retrieval service in a few lines of code. This one maintains the person table - in a total of 8 lines of code.
In subsequent articles we will see AjaxToaster services that handle complex hierachical data structures such as you might find in real world applications.Hibernate Support in the NetBeans IDE
In this demo, we quickly create a web application that uses Hibernate to read a database containing travel itineraries and displays the results in a JSP page using Woodstock JSF components.GWT: Running a completed project
Let's put GWTShell and GWTCompiler to use with a calculator example, CalculatorWidget. First, we'll use GWTShell to get the lay of the land and launch the hosted mode browser. This is how you typically run and debug a project while in hosted mode during development. Then we'll move on to compiling things with GWTCompiler, which is what is normally used as part of a build process to turn your Java into JavaScript and create a deployable artifact for web mode.Google Web Toolkit as a Sprinkle-On-Top AJAX solution?
A blog post discussing usage of GWT in an existing web application. The disadvantages and advantages of GWT compared to JQuery. It also mentions GQuery - a type-safe port of jQuery into the GWT world.
I Hear Voices: Post JavaFX SDK Preview Release
The JavaFX SDK Technology Preview Release has given mainstream developers the opportunity to see the capability and potential of JavaFX. As one that has been enamoured with JavaFX for quite some time, I have been very pleased with the overall reaction from the developer community.How to create a tag cloud? (With formula and sample calculation)
I came across this old blog and found it very informative. It's the real HOWTO on creating a tag cloud. Unfortunately, it's hard to find it through google so I'm posting it here. :-)Restlet ported to GWT !
Thanks to the support for generics in GWT 1.5 RC1, we were able to achieve this port with reduced efforts and limited troubles. We had to get rid of the server-side features that don’t make sense in a browser, and of the APIs like NIO and logging that aren’t emulated by GWT. The major impact was the adaptation of the API to the asynchronous communication imposed by AJAX and GWT.GigaSpaces R6.6-m1 Released
We're very proud to announce the avaialbility of the first milestone of our upcoming R6.6 release scheduled for this fall. The release is available as part of the early access program (no registration needed).
The main feature introduced as part of this milestone is the ability to deploy web applications (.war files) into the GigaSpaces service grid cluster.Apache Sling Cheat Sheet
Lars Trieloff has compiled an excellent cheat sheet for Apache Sling (the JCR-based web framework that was just released). Very useful to get started.Groovy-Based Agile Grails Learning
Groovy makes learning Grails an agile process.Why is Web UI Development Slow?
Have you ever been a team member in a web framework or web product development? You may have noticed although UI prototyping is a fast process but UI integration is disappointingly slow. Have you thought why does this happen?Best Practices for Developing Scalable Web 2.0 Applications
This demo will show you the power of GigaSpaces' scaling, hot failover and self-healing capabilities. A sample Web application which uses Spring MVC and contains an AJAX web front-end and a GigaSpaces' backend will be scaled out. We will first deploy and run the GigaSpaces' backend on a single laptop and then on multiple machines on Amazon EC2, without changing a single line of code.Pivot: A Practical Example, Part 3 - Web Queries
This is the third in a series of five articles that walk through the implementation of a simple but practical Pivot application called Stock Tracker.