core/play/src/main/java/play/mvc/Call.java
public String absoluteURL(Http.Request request) {
    return absoluteURL(request.secure(), request.host());
  }
public String absoluteURL(Http.Request request) {
    return absoluteURL(request.secure(), request.host());
  }
public String absoluteURL ( Http . Request request ) { return absoluteURL ( request . secure ( ) , request . host ( ) ) ; }
Transform this call to an absolute URL.

@param request used to identify the host and protocol that should base this absolute URL
@return the absolute URL string
Transform this call to an absolute URL .