How to enable CORS in Grails 3.0.1

Question

I would like to do cross origin communication using Grails in server side. The only documentation that I found is this one

https://grails.org/plugin/cors

but thi

Answer 1

To be specific, here is some code that works. Notice the interceptor name must match your controller name (here, workRequest), the domain needs to be whatever you are calling from (here, localhost:8081) and it is the before() method you want:

package rest
class WorkRequestInterceptor {
boolean before() { 
    header( "Access-Control-Allow-Origin", "http://localhost:8081" )
    header( "Access-Control-Allow-Credentials", "true" )
    header( "Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE" )
    header( "Access-Control-Max-Age", "3600" )  
    true 
}

boolean after() { true }
}