There is no language yet available to replace Java!

January 7, 2010 8 Comments

There is a perception created in the software development industry that Java is out-dated and Ruby, Python, Scala, etc. are going to take over Java’s position. Some “hyper-enthusiasts” are already left Java platform. Sun’s profit model collapse, Applet, Jini, EJB and JSF heavyweight framework failures added fuel to these campaigns. I still believe no language yet available in the market to replace Java. I don’t have to talk why Java is better because it is proven solution for more than a decade but I would like to talk about how false campaigns are created by “hyper-enthusiasts”. It is easy to fall into these false campaigns because as a developer we want new challenges and something new to learn. Read more of this post

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Wicket in OC4J / OracleAS

November 22, 2009 Leave a comment

Recently I tried deploying wicket framework based web application in OC4J container it didn’t work, whereas the same code works well in Tomcat. While googling found a few solution which recommends to use wicket servlet configuration instead of servlet filter to resolve the issue. I did the same but no luck. Then I tried associating a bookmarkable page for the homepage then it works well. Here is the code snippet: Read more of this post

Filed under Java, Java EE, Open Source, Web Tagged with , , , ,

Single-Sign-On (SSO) in Java Platform using Active Directory

August 29, 2009 45 Comments

Sorry guys it been long time writing in my blog.

Nowadays single-sign-on became a hot selling feature for all desktop and web-based products. In this article I talk about single-sign-on implementation in Java platform with Active Directory server. Since Microsoft Windows has become one of the most common corporate network platforms it is worth integrating with your product. Starting from Windows 2000 Microsoft supports Kerberos protocol. It is unusal that Microsoft support open-standard protocol, but they do in this case; good for us :-) Read more of this post

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JEXL – A simple expression evaluation engine

February 15, 2009 3 Comments

When I was developing a framework looking for a solution very similar to eval() function in JavaScript. Initially I thought of Velocity but somehow I wasn’t convinced with that approach. (Struts2 uses Velocity to externalize the HTML generation to make it customizable). Later I wrote my own parser to evaluate an expression that returns a Boolean value. Recently I found an open source which exactly meets my requirement. I don’t have to talk much about this open source you can find lot more information in their website. I thought it might be useful to others as well.
Reference: http://commons.apache.org/jexl/

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Pure Java Print PDF Open Source API

November 3, 2008 66 Comments

PDF became widely used file format to exchange documents. There are a quite a few open source API available to create PDF document from Java application. Almost there is no good open source API available to view and print the PDF content from Java application. Fortunately sun released a open source API to fill this gap. Read more of this post

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