Jetspeed 2.2.0 The Jetspeed 2.2.0 release is a major release of the Jetspeed-2 portal and is the first release of Jetspeed that is fully compliant with the Java Portlet Specification 2.0. With this new version of Jetspeed. Jetspeed 2 See Latest jetspeed in action demo Use the username admin connects using the password j2 New [...]

Some time, in our application we need to display some table cells highlighted with some colours.for different condition we need Different colour of row or some particular cell. This can be possible by using expression language(EL) .We can write an ternary operation in expression language(EL).For example if we are displaying data in tabular structure .And [...]

In Oracle ADF, for refreshing the page after doing some operation in database we need to refresh the Page ,which is very needed to display the right content.For this we need to write java method in page.java file. Write that method anywhere in java file and call that method anywhere where you want to refresh [...]

In oracle ADF, for executing the view object query we need to write code for that.This code is needed for refreshing the table content after executing some DML operation.For that we need to execute the query of view object.For that write an in application module Impl.java file.For an example look the below code- After writing [...]

This tutorial will explain creating new application, new pages, and navigation cases. It will display Explain you event generated on a command button .It will be redirected to new page(.jspx) and display a message. I hope it will clear the basic understanding navigation and business component. 1. Open Jdeveloper and right click on project and [...]

Jetspeed is an Open Portal Platform, written entirely in open source under the Apache license in Java and XML. Jetspeed allows to build your own custom portal based on jetspeed or to use base jetspeed. You download out-box jetspeed from download, It comes with Jetspeed portal server and j2-admin(Jetspeed administrative portlet application) Jetspeed out-of-box comes [...]

Jetspeed 2 authenticate user’s with JAAS. Jetspeed installer and maven plug-in both configure tomcat for JAAS authentication. I have seen people facing problem in configuring JAAS in different application server e.g Websphere, Jboss etc.In some case user face error in tomcat too. This is the common error log, if JAAS is not configured properly javax.security.auth.login.LoginException: [...]

Inheritance in JAVA programming is the process by which one class takes the property of another other class. i.e. the new classes, known as derived or super class, take over the attributes and behavior of the pre-existing classes, which are referred to as base classes or child class. Inheritance is used to create a hierarchical-type [...]

Websphere 6.1 and above comes with in-built portlet container. Websphere load portlet api with all web application. There is no settings in adminstraive console to disable portlet container, it is an over-ahead on memory. This specifically make an problem or java based portal server e.g  jetspeed-2 , Liferay etc. There is only one way to [...]

The for-each loop, or enhanced for loop, is new feature in JDK 1.5 to remove clutter and possible errors, in iterating over collections.This will not provide any new functionality .It is just making our code more easy.It allow to create one variable which will iterate over array or collection.By this we can do nested iteration. [...]