grails - Injecting a SpringSecurityService into a Java class -

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When we modify it, we note that one service should implement the interface, then, Java class this interface Will depend on.

But, what about Grails-service that is a built-in service or is there a ready plugin available?

How to let go implements an interface and then implementing in the settings resources. Groovy

i.e.:

The following is not the IoC pattern because the person.java class depends on the class not on the interface: 

  import Do the grails.plugin.springsecurity.SpringSecurityService; Class person {spring security ss; }

The following IoC pattern is: If we apply the class SpringSecurityService IGService for example {/*...*/} 

  import grails.facade.IGService class person {IGService sss; }

Then, in resources.groovy , we have: 

  person (slm.abdennour.Person) {sss} = SpringSecurityService}    
 
 
 I am getting the solution, and I want to share it:  
  Import grails.plugin.springsecurity.SpringSecurityService; Import grails.facade.IGService; Class Customer SSS SpringSecurityService applies to IGService {}  
 
 then, in  resources.groovy : 
 
  springSecurityService {CustomerSSS} { ('UserDetailsService'

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