sbt/launch/LaunchConfiguration.scala

108 lines
4.6 KiB
Scala

package xsbt.boot
import java.io.File
import java.net.URL
final case class LaunchConfiguration(scalaVersion: Version, app: Application, repositories: Seq[Repository], boot: BootSetup, logging: Logging) extends NotNull
{
def getScalaVersion = Version.get(scalaVersion)
def withScalaVersion(newScalaVersion: String) = LaunchConfiguration(Version.Explicit(newScalaVersion), app, repositories, boot, logging)
def withApp(app: Application) = LaunchConfiguration(scalaVersion, app, repositories, boot, logging)
def withAppVersion(newAppVersion: String) = LaunchConfiguration(scalaVersion, app.withVersion(Version.Explicit(newAppVersion)), repositories, boot, logging)
def withVersions(newScalaVersion: String, newAppVersion: String) = LaunchConfiguration(Version.Explicit(newScalaVersion), app.withVersion(Version.Explicit(newAppVersion)), repositories, boot, logging)
def map(f: File => File) = LaunchConfiguration(scalaVersion, app, repositories, boot.map(f), logging)
}
sealed trait Version extends NotNull
object Version
{
final case class Explicit(value: String) extends Version
final case class Implicit(tpe: Implicit.Value, default: Option[String]) extends Version
{
require(default.isEmpty || !default.get.isEmpty, "Default cannot be empty")
}
object Implicit extends RichEnum
{
val Read = Value("read")
val Prompt = Value("prompt")
val ReadOrPrompt = Value("read-or-prompt")
def apply(s: String, default: Option[String]): Either[String, Implicit] = fromString(s).right.map(t =>Implicit(t, default))
}
def get(v: Version) = v match { case Version.Explicit(v) => v; case _ => throw new BootException("Unresolved version: " + v) }
def default = Implicit(Implicit.ReadOrPrompt, None)
}
sealed abstract class RichEnum extends Enumeration
{
def fromString(s: String): Either[String, Value] = valueOf(s).toRight("Expected one of " + elements.mkString(",") + " (got: " + s + ")")
def toValue(s: String): Value = fromString(s) match { case Left(msg) => error(msg); case Right(t) => t }
}
final case class Application(groupID: String, name: String, version: Version, main: String, components: Seq[String], crossVersioned: Boolean) extends NotNull
{
def getVersion = Version.get(version)
def withVersion(newVersion: Version) = Application(groupID, name, newVersion, main, components, crossVersioned)
def toID = AppID(groupID, name, getVersion, main, components.toArray, crossVersioned)
}
final case class AppID(groupID: String, name: String, version: String, mainClass: String, mainComponents: Array[String], crossVersioned: Boolean) extends xsbti.ApplicationID
object Application
{
def apply(id: xsbti.ApplicationID): Application =
{
import id._
Application(groupID, name, Version.Explicit(version), mainClass, mainComponents, crossVersioned)
}
}
sealed trait Repository extends NotNull
object Repository
{
final case class Maven(id: String, url: URL) extends Repository
final case class Ivy(id: String, url: URL, pattern: String) extends Repository
final case class Predefined(id: Predefined.Value) extends Repository
object Predefined extends RichEnum
{
val Local = Value("local")
val MavenLocal = Value("maven-local")
val MavenCentral = Value("maven-central")
val ScalaToolsReleases = Value("scala-tools-releases")
val ScalaToolsSnapshots = Value("scala-tools-snapshots")
def apply(s: String): Predefined = Predefined(toValue(s))
}
def defaults: Seq[Repository] = Predefined.elements.map(Predefined.apply).toList
}
final case class Search(tpe: Search.Value, paths: Seq[File]) extends NotNull
object Search extends RichEnum
{
def none = Search(Current, Nil)
val Only = Value("only")
val RootFirst = Value("root-first")
val Nearest = Value("nearest")
val Current = Value("none")
def apply(s: String, paths: Seq[File]): Search = Search(toValue(s), paths)
}
final case class BootSetup(directory: File, properties: File, search: Search) extends NotNull
{
def map(f: File => File) = BootSetup(f(directory), f(properties), search)
}
final case class Logging(level: LogLevel.Value) extends NotNull
object LogLevel extends RichEnum
{
val Debug = Value("debug")
val Info = Value("info")
val Warn = Value("warn")
val Error = Value("error")
def apply(s: String): Logging = Logging(toValue(s))
}
final class AppConfiguration(val arguments: Array[String], val baseDirectory: File, val provider: xsbti.AppProvider) extends xsbti.AppConfiguration
// The exception to use when an error occurs at the launcher level (and not a nested exception).
// This indicates overrides toString because the exception class name is not needed to understand
// the error message.
final class BootException(override val toString: String) extends RuntimeException