For #6491: compile authorizer module with Scala 3

- also try Optional Braces syntax and Universal Apply Methods

authorizer/src/main/scala/org/orbeon/oxf/controller/AuthorizerServlet.scala

@@ -13,18 +13,18 @@
  */
 package org.orbeon.oxf.controller
 
+import org.orbeon.oxf.http.StatusCode
 import org.orbeon.oxf.servlet.*
 
+
 // For backward compatibility
 class AuthorizerServlet extends JavaxAuthorizerServlet
 
-class JavaxAuthorizerServlet extends JavaxServiceHttpServlet (new AuthorizerServletImpl)
-class JakartaAuthorizerServlet extends JakartaServiceHttpServlet(new AuthorizerServletImpl)
+class JavaxAuthorizerServlet extends JavaxServiceHttpServlet (AuthorizerServletImpl())
+class JakartaAuthorizerServlet extends JakartaServiceHttpServlet(AuthorizerServletImpl())
 
 // This servlet just returns an ok response when accessed
-class AuthorizerServletImpl extends ServiceHttpServlet {
- override def service(request: HttpServletRequest, response: HttpServletResponse): Unit = {
- response.setStatus(200)
+class AuthorizerServletImpl extends ServiceHttpServlet:
+ override def service(request: HttpServletRequest, response: HttpServletResponse): Unit =
+ response.setStatus(StatusCode.Ok)
  response.setContentType("text/plain")
- }
-}

build.sbt

@@ -601,6 +601,7 @@ lazy val authorizer = (project in file("authorizer"))
  .settings(commonSettings: _*)
  .settings(
  name := "orbeon-authorizer",
+ scalaVersion := scala3,
  libraryDependencies += "javax.servlet" % "javax.servlet-api" % JavaxServletApiVersion % Provided,
  libraryDependencies += "jakarta.servlet" % "jakarta.servlet-api" % JakartaServletApiVersion % Provided
  )