Inject Properties from Properties File using Spring Environment

https://grokonez.com/spring-framework/inject-properties-from-properties-file-using-spring-environment

Inject Properties from Properties File using Spring Environment

We can load properties value from Properties file to Spring Environment just by using @PropertySource annotation. This tutorial shows you the simple way to get them from Environment object.

Related Articles:

• Inject Properties from Properties File using @Value annotation
• Inject Properties from Properties File using @ConfigurationProperties Annotation
• How to use Spring Factory Method to create Spring Bean

I. Technology

• Java 1.8
• Maven 3.3.9
• Spring Tool Suite – Version 3.8.1.RELEASE (It's OK if you use Eclipse)

  II. Overview

  1. Project Structure

  In this example, we have 2 ways to access Properties from Environment:
• get Environment from Application Context wherever we wanna use it.
• use a seperate properties bean object to get Environment in the configuration class.

Both of them call method Environment.getProperty("property_key") to get property value for corresponding property_key.

2. Step to do

• Create Maven project
• Add Dependencies & Plugins
• Add Properties File
• Create Properties Class
• Create Configuration Class
• Create MainApplication Class
• Run Application & Enjoy Result

  III. Practice

  1. Create Maven project

• Open Spring Tool Suite, on Menu, choose File -> New -> Maven Project.
• Check Create a simple project, choose Workspace Location and click Next.
• Fill all fields in Artifact group box, then click Finish.

  2. Add Dependencies & Plugins

  Open pom.xml, add:

More at:

https://grokonez.com/spring-framework/inject-properties-from-properties-file-using-spring-environment

Inject Properties from Properties File using Spring Environment