Welcome

Acegi Security Extensions Project

Acegi Security Framework for Spring is a highly popular enterprise security framework for web applications. It provides lots of authentication and authorization features in very high quality. With the use of Acegi , it is now a practical reality to be able to add security features in your system from ground up without any difficulty. […]

Accessing An Object Whose Class Is Already Loaded By Another ClassLoader

Let’s assume you use inter ServletContext communication mechanism to transfer an Object created by one web application to another web application. In order to make this object fully available to your target web application, you must make sure that those two web applications use same ClassLoader to load that object’s class. This can be easily […]

How to keep hackers informed about your users!?

Application developers usually tend to be as much specific as possible when providing information about unexpected errors occurred during runtime. For most of the time, this is a good approach to do so, but not for all use cases. User login scenario is among one of those exceptions. When a user provides insufficient/invalid credentials, or […]

Audit Logging at Service Level

What is Service Level Auditing? Many enterprise business applications have such requirements that they should log their users’ operations; who performs and when, records that are inserted into, deleted from database, or are changed during those operations, with a meaningful description about current state of those records. Hibernate already provides an interceptor mechanism at SessionFactory level. […]

Delegating Websphere Portal Authentication to CAS via Trust Association Interceptor (TAI)

In our current enterprise project we have a single sign on requirement, and IBM portal is planned to be used as the main gateway in our system. Basically, we need to provide an authentication mechanism, through which users should only need to login to the portal, and then be able to access all of their […]

Context Sharing Between Applet and Web Application

In our project we need to provide some supporting GIS functionality via an Applet GUI to our web based CRUD operations. Users, for example, may populate search criteria, entering input both from web interface, like name pattern, date range etc., and from Applet GUI, like selecting a specific region in a map, and then execute […]

Notes and Pictures from JavaPolis 2005 – Part I

This year, I had a chance to attend JavaPolis 2005 in Antwerpen, Belgium with 3 of my colleagues. I want to provide day by day information about this year?s workouts, and other interesting happenings in my blog. This year?s activity had consisted mainly of University, Conference, BOF, Quicky sessions and lasted 5 days between 12th […]

Providing Tooltip Help Messages Dynamically Using Ajax Functionality

This is actually part of context sensitive help requirements in our web application project. We should be able to provide small informative messages for html components displaying them as tooltips in our web pages when user moves mouse over those components. It is also in the requirements that continiously appearing tooltip message windows in those […]