Migration from J2EE to .NET

Here are some quick tips to get you started, in case you need to migrate a J2EE based application to a .NET based application.

The technology mapping between both the platforms:

Feature	.NET	J2EE
GUI	WinForms	SWING & AWT
Web GUI	ASP.NET	JSP
Web Scripting	ISAPI, HttpHandler, HttpModule	Servlet, Filter
Server Side Business Logic Component	Serviced Component (COM+)	EJB Session Beans
Server side Data component	(COM+) with DB Logic	EJB BMP Entity Beans
Server Side Data Component	Object Spaces	EJB CMP Entity Beans
Naming	ADSI	JNDI
Remote Invocation	.NET Remoting	RMI or RMI-IIOP
Data Access	ADO.NET	JDBC
Messaging	MSMQ	JMS
Transactions	COM+ or MTS	JTA

Highlights of the migration strategy (tier wise):

1. Presentation Tier JSP -> ASP.NET

2. Data Access Tier JDO/JDBC -> ADO.NET

1. Presentation tier migration

a. JSP -> ASP .NET (sample code snippets)

ASP .NET scriptlet :