Load environment-specific properties for use with PropertyPlaceholderConfigurer?

Question

This seems like a pretty common problem, but I haven\'t found any sort of consensus on the best method, so I\'m posing the question here.

I\'m working on a command-l

Answer 1

Spring Property Placeholder Configurer – A few not so obvious options

${db.username.${mode}}: Here "mode" defines the project mode (environment) - dev / prod Properties file looks like:

#Database properties
#mode dev/prod
mode=dev

#dev db properties
db.url.dev=jdbc:mysql://localhost:3306/dbname
db.username.dev=root
db.password.dev=root

#prod db properties
db.url.prod=jdbc:mysql://localhost:3306/dbname
db.username.prod=root
db.password.prod=root