This is demo application that shows how to use OSGi with Spring Boot.
Execute below maven command, which will create a bundle in target/deploy directory and can be deployed in Apache Karaf Container.
mvn clean install
Here, calc-core bundle is providing service of Calculator and itself implementing Addition Service.
After deploying only calc-core bundle if we call below Rest API.
http://localhost:8013/calculator
Then, its response would be like
["Addition"]
Here, calc-plugin is implementing Calculator Service and providing support for Subtraction also. This plugin is dependent on calc-core plugin.
After deploying calc-core, if we again call same Rest API.
http://localhost:8013/calculator
Then, its response would be like
["Addition","Subtraction"]
To perform calculator operation, call below RestAPI.
http://localhost:8013/calculator/{operation}?n1={n1}&n2={n2}
For Example,
http://localhost:8013/calculator/addition?n1=12&n2=12