What is the best practice for validating parameters in JSP?

Question

I\'m implementing a JSP which expects a few parameters which have to be validated before running the jsp.

1. Suggestion: Validate the parameters inside the JSP us

Answer 1

Use an MVC Framework (Spring MVC, Stripes, Struts 2 etc.) and validate the parameters in the controller class. Every MVC framework supports parameter validation, and you get a clean separation of concerns.

Example: Spring MVC automatically registers JSR-303-style parameter Validation (if you have a JSR-303 provider, e.g. Hibernate-Validator, on the classpath) when using mvc:annotation-driven