October 2018
Intermediate to advanced
982 pages
23h 29m
English
book
Developing Java Applications with Spring and Spring Boot
by Claudio Eduardo de Oliveira, Greg L. Turnquist, Alex Antonov
Content preview from Developing Java Applications with Spring and Spring Boot
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How it works...
As you learned from the section on environment configuration hierarchy, Spring Boot offers multiple ways of providing the configuration properties. Each of these is managed via an appropriate PropertySource implementation. We looked at how to create a custom implementation of PropertySource when we were implementing ApacheCommonsConfigurationPropertySource. Spring Boot already provides a SystemEnvironmentPropertySource implementation for us to use out of the box. This even gets automatically registered with the default implementation of the environment interface: the SystemEnvironment.
As the SystemEnvironment implementation provides a composite façade on top of a multitude of different PropertySource implementations, the ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.