Method Scheme

expr/server.go:272–290

Scheme returns the URI scheme. Possible values are http, https, grpc, and grpcs.

()

// Scheme returns the URI scheme. Possible values are http, https, grpc, and
// grpcs.
func (u URIExpr) Scheme() string {
	ustr := string(u)
	// Did not use url package to find scheme because the url may
	// contain params (i.e. http://{version}.example.com) which needs
	// substition for url.Parse to succeed. Also URIs in host must have
	// a scheme otherwise validations would have failed.
	switch {
	case strings.HasPrefix(ustr, "https"):
		return "https"
	case strings.HasPrefix(ustr, "grpcs"):
		return "grpcs"
	case strings.HasPrefix(ustr, "grpc"):
		return "grpc"
	default:
		// No need to worry about other values because the URIExpr would have failed
		// validation.
		return "http"
	}
}