Accessing google Guice based services in spring boot application - spring-boot

Question

I have services developed using Google guice DI framework and I want to inject them in spring boot application. Could anybody thro some light on how we can access the google guice based services in spring boot application? Any pointers to any sample code?

Answer 1

Welcome to StackOverflow!
There are two different things that you could do, depending on what you actually did in the Guice services.
If you used only JSR330 annotations, then you could theoretically simply replace Guice Modules with Spring #Configuration classes and just use Spring to do the D.I. This would work because both Spring and Guice support the JSR330 annotations. In my view, this can work in only fairly simple cases.
Use the org.springframework.guice:spring-guice library from Spring. It allows you to use Guice Modules and the provided beans.
First you need to include it in your pom:
<dependency>
<groupId>org.springframework.guice</groupId>
<artifactId>spring-guice</artifactId>
<version>1.1.3.RELEASE</version>
</dependency>
Then you must configure Spring to use the needed Guice Modules:
#Configuration
#EnableGuiceModules
public static class GuiceConfig {
#Bean
public MyModule myModule() {
return new MyModule();
}
}
You can read more on the GitHub for this project: https://github.com/spring-projects/spring-guice#using-existing-guice-modules-in-a-spring-applicationcontext.