mvn2sbt: updated to convert to 0.10.0 build.sbt file

mvn2sbt.scala

val xml =    <dependencies>
        <dependency>
            <groupId>javax.persistence</groupId>
            <artifactId>persistence-api</artifactId>
            <version>1.0</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>net.sf.oval</groupId>
            <artifactId>oval</artifactId>
            <version>1.70</version>
        </dependency>
    </dependencies>

val data: Seq[(String, String, String, Option[String])] = (xml \ "dependency") map { d =>
  val groupId = d \ "groupId" text
  val artifactId = d \ "artifactId" text
  val versionNum = d \ "version" text
  val scope = d \ "scope" text

  (groupId, artifactId, versionNum, if (scope.size > 0) Some(scope) else None)
}

val CrossBuildArtifact = """([\w-]+)_\$SCALA_VERSION\$""".r

def dep(a: String, g: String, v: String, s: Option[String], cross: Boolean) = {
  val sep = if (cross) "%%" else "%"
  val ident = a.split("-").map(_.capitalize).mkString
  val base = """ "%s" %s "%s" %% "%s" """ format (g, sep, a, v)
  base + s.map(" % \"" + _ + "\"").getOrElse("")
}

val m = data map { 
	case (g, CrossBuildArtifact(a), v, s) => dep(a, g, v, s, true)
	case (g, a, v, s) => dep(a, g, v, s, false)
} mkString(",\n")
println(m)

output.txt

 "javax.persistence" % "persistence-api" % "1.0"  % "provided",
 "net.sf.oval" % "oval" % "1.70"