Remove dependency on internal libraries

build.sbt

@@ -8,7 +8,6 @@ val slf4jApi = "org.slf4j" % "slf4j-api" % slf4jV
 val slf4jSimple = "org.slf4j" % "slf4j-simple" % slf4jV
 val specs2 = "org.specs2" %% "specs2-core" % specs2V % "it,test"
 val specs2Mock = "org.specs2" %% "specs2-mock" % specs2V % "test"
-val enumUtils = "com.thenewmotion" %% "enum-utils" % "0.3"
 val scalaCheck = "org.scalacheck" %% "scalacheck" % "1.14.3" % "test"
 val specs2ScalaCheck = "org.specs2" %% "specs2-scalacheck" % specs2V % "test"
 val json4sjackson = "org.json4s" %% "json4s-jackson" % json4sV % "test"
@@ -17,7 +16,6 @@ val mockServer = "org.mock-server" % "mockserver-client-java" % "5.8.0" % "test"
 val mockServerNetty = "org.mock-server" % "mockserver-netty" % "5.8.0"  % "test"
 
 def module(name: String) = Project(name, file(name))
-  .enablePlugins(OssLibPlugin)
   .configs(IntegrationTest)
   .settings(
     organization := "com.thenewmotion.ocpp",
@@ -26,7 +24,6 @@ def module(name: String) = Project(name, file(name))
   )
 
 val messages = module("ocpp-messages")
-  .settings(libraryDependencies += enumUtils)
 
 val json = module("ocpp-json")
   .dependsOn(messages)
@@ -77,8 +74,6 @@ val exampleJsonServer20 =
       publish := {}
     )
 
-crossScalaVersions := Seq(tnm.ScalaVersion.curr, tnm.ScalaVersion.prev, tnm.ScalaVersion.aged)
-
-enablePlugins(OssLibPlugin)
+crossScalaVersions := Seq("2.13.1", "2.12.10", "2.11.12")
 
 publish := {}

ocpp-messages/src/main/scala/enums/EnumUtils.scala

@@ -0,0 +1,12 @@
+package enums
+
+
+object EnumUtils {
+  trait Nameable {
+    def name: String
+  }
+  trait Enumerable[T <: Nameable] {
+    def values: Iterable[T]
+    def withName(name: String): Option[T] = values.find(_.name == name)
+  }
+}

ocpp-messages/src/main/scala/enums/reflection/EnumUtils.scala

@@ -0,0 +1,20 @@
+package enums.reflection
+
+/**
+  * This version of the enum utils can
+  * only be used in top-level definitions,
+  * otherwise the reflective .getSimpleName
+  * call throws an exception.
+  */
+object EnumUtils {
+
+  trait Nameable {
+    def name: String = this.getClass.getSimpleName
+      .replaceAll("minus", "-").replaceAll("\\$", "")}
+
+  trait Enumerable[T <: Nameable] {
+    def values: Iterable[T]
+    def withName(name: String): Option[T] = values.find(_.name == name)
+  }
+
+}

project/plugins.sbt

@@ -1,7 +1,3 @@
-resolvers += "TNM" at "https://nexus.thenewmotion.com/content/groups/public"
-
-addSbtPlugin("com.newmotion" % "sbt-build-seed" % "5.0.4")
-
 addSbtPlugin("org.scoverage" % "sbt-scoverage"  % "1.6.1")
 
 addSbtPlugin("org.scoverage" % "sbt-coveralls"  % "1.2.7")