Spring MVC: Designing Real-World Web Applications

Working with bean definition profiles

For commercial projects, it is a common requirement to be able to maintain two or more environment-specific configurations and beans, activated selectively only in the corresponding environment. For example, objects such as data sources, e-mail servers, and security settings could be different for development, testing, and production environments. You would want to switch them declaratively without touching the application code, keeping it externally. Developers traditionally write complex scripts and property files with separate builds to do this job. Spring comes to your rescue here with environment abstraction using bean definition profiles and properties.

Bean definition profiles are a mechanism by which ...