Downloads

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JSF Presentation

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Posted in: downloads,JSF,presentation

Improve the quality of your code using Find Bugs [configuration and reports in Eclipse]

What is FindBugs?

FindBugs is a static analysis tool that examines your class or JAR files looking for potential problems by matching your bytecodes against a list of bug patterns. With static analysis tools, you can analyze software without actually running the program. Instead the form or structure of the class files are analyzed to determine the program's intent, often using the Visitor pattern.

Please find information below on how to configure and use find bugs in our eclipse.

For more details please refer link. http://findbugs.sourceforge.net/manual/eclipse.html

A:Steps to configure FindBugs in our eclipse

Step-1) From Eclipse help menu open "Install new Software" menu item.

Step-2) Click on Add site and fill following site details and hit ok button.

Step-3) Select "FindBugs" for installation.

.

Step-4) Accept licence conditions – Click finish

B:How to use FindBugs in our eclipse

Step-1) Select java file/package/project and right click to select find bugs. Now it will generate bugs report.

Step-2)Report will be generated like below.

Step-3) To see generated report go to view shown below.










Happy coding :) :) :)

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Posted in: coding

Videos

Videos will be added here later.

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Your Favorite Technology

Discussion about your Your Favorite Technology is coming soon..
Watch this space for more updates.

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General Discussion

I have almost completed the design of the new blog.
I would like to receive a feed back on this.

1) Did you like the Design ? Yes / No
2) Did you like the Menus ? Yes/ No
3) What else we can Include in the Menu?
4) What else you expect to add in the design ?

Please suggest your ideas or answers as comments to this post.

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Outing Photos

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Posted in: photo

What you can do here?

 Post your technical queries and get best solutions from the experts.
 Share technical tricks and tips you have used.
 Share new technologies to the group.

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Posted in: help

Instructions On How to post.

When you have to post any contents in this blog. Follow these steps given below.

1) Individuals given Admin permission can post contents.
2) Login to your blog account and go to Dashboard->posting->New Post.
3) Add your contents by creating a new post.
4) Go to Edit Pages and identify in which category your post can be included and Edit that particular page under the list of pages given. Update the links to your new post where ever it is mentioned.

Rules for posting:

Only technical discussions should be posted here.
No contents related to project or project specific code should be posted.
Technical queries should be in terms of generic language.
Personal abuses are restricted.
All postings are moderated.
Any member violating the rules should be responsible for consequences.

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Richfaces 4 Why and How!!!

Richfaces 4:

It has a latest stable release of Richfaces 4.0.0.Final. Though few features like hotkey and contextmenu not available in this release (planned to release in the release 4.1), it would be better to move the projects which uses Richfaces 3.3.3 and JSF 2 to use Richfaces 4.0 now!

Why Richfaces 4?

First question in mind is “what’s new in it”! Here are the features:

• Richfaces 4 allows users to take full advantage of all the enhancements in JSF 2.
• A full set of AJAX enabled components in two libraries

1. a4j: page centric AJAX controls (a4j:ajax extending the base JSF 2.0 f:ajax tag)
2. rich: self contained, ready to use components

• Client-side validation, expanding JSR 303 Bean Validation all the way to the browser.
•  Advanced queuing to match the high performance requirements of real world enterprise applications.
• Push component upgrades including Java Messaging Service (JMS) integrations, and various transport mechanisms based on browser support.
• Own Component Development Kit (CDK).

Look into the demo page to find out new components with source xhtml page and Bean classes. (http://richfaces-showcase.appspot.com/)

How to add Richfaces 4 and start using it!

Must follow the below link for migrating from Richfaces 3.3.3 to Richfaces 4:

                http://community.jboss.org/wiki/RichFacesMigrationGuide33x-4xMigration

I am writing few important hints during startup of migration:

• Adding Richfaces 4 in maven based project:

Here is a snippet from pom.xml

<properties> 

<!-- for Alhpa versions it was just 'ALPHA2' -->

<org.richfaces.bom.version>4.0.0.Final</org.richfaces.bom.version>

...

</properties>

<dependencyManagement>

<dependencies>

<!-- Ricfaces 4.0.0.Final -->

      <dependency>

                                <groupId>org.richfaces</groupId>

                                <artifactId>richfaces-bom</artifactId>

                                <version>${org.richfaces.bom.version}</version>

                                <scope>import</scope>

                                <type>pom</type>

                </dependency>

                <dependency>

                                <groupId>org.richfaces.ui</groupId>

                                <artifactId>richfaces-components-ui</artifactId>

                                <version>${org.richfaces.bom.version}</version>

                </dependency>

                <dependency>

                                <groupId>org.richfaces.core</groupId>

                                <artifactId>richfaces-core-impl</artifactId>

                                <version>${org.richfaces.bom.version}</version>

                </dependency>

                <dependency>

                                <groupId>org.richfaces.cdk</groupId>

                                <artifactId>annotations</artifactId>

                                <version>${org.richfaces.bom.version}</version>

                                <scope>provided</scope>

      </dependency>

</dependencies>

</dependencyManagement

• Web.xml

1. RichFaces Filter not needed anymore as RichFaces 4 uses JSF 2 System Events for configuration and requests handling.

2. Remove org.ajax4jsf.VIEW_HANDLERS context parameter. it was needed to configure facelets view handler for JSF 1.2 only.

3. org.richfaces.SKIN changed to org.richfaces.SKIN

• Design of xhtml page:

The xhtml file should look like this, with proper <h:head> and <h:body> tags.

<html xmlns="http://www.w3.org/1999/xhtml"

      xmlns:h="http://java.sun.com/jsf/html"

      xmlns:f="http://java.sun.com/jsf/core"

      xmlns:rich="http://richfaces.org/rich"

      xmlns:a4j="http://richfaces.org/a4j"

      xmlns:ui="http://java.sun.com/jsf/facelets">

<h:head>

…

</h:head>

<h:body>

<ui:composition>

…

</ui:composition>

…

</h:body>

</html>

As in Richfaces 3.3.3, used to write tags like <head></head> and <body></body>, now within these tags only JSP components rendered.

• Dynamic components:

Now to create a component dynamically in Java class we need to use UI component. Html components are not available to use in Java classes.

For e.g. to create <rich:column> dynamically used to do like below:

import org.richfaces.component.html.HtmlColumn;

…

                                HtmlColumn column = new HtmlColumn();                            

                Now we need to use UI component like below:

import org.richfaces.component.UIColumn;

…

Application app = FacesContext.getCurrentInstance().getApplication();

UIColumn col = app.createComponent(UIColumn.COMPONENT_TYPE);

I will keep updating further issues and solutions to it!

All the best! :)

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Posted in: JSF,Richfaces,Richfaces4