pipe-delimited-to-jvm-obj.scala

  test("pipe delimited to jvm obj") {
    case class Person(fullName: String, age: Int, address: String, hs: String)

    object Parser {
      def splitByPipe(s: String): Array[String] = s.split('|')

      def init(key: String, ps: Map[String, String]): String = ps.getOrElse(key, "")

      def bind(headers: List[String], pipeDelimited: String): Map[String, String] = headers
        .zip(splitByPipe(pipeDelimited).toList)
        .toMap

      def newPerson(msg: String): Person = {
        val personHeader = List("full_name", "age", "address")
        val keysAndValues: Map[String, String] = bind(personHeader, msg)
        Person(
          fullName = init("full_name", keysAndValues),
          age = init("age", keysAndValues).toInt,
          address = init("address", keysAndValues),
          hs = "hardcoded stuff")
      }
    }

    val pipe = "Miles Davis|36|123 Main St, Ny"
    val person = Parser.newPerson(pipe)
    
    println(person)          // Person(Miles Davis,36,123 Main St, Ny,hardcoded stuff)
    println(person.fullName) // Miles Davis
    println(person.age)      // 36
    println(person.address)  //123 Main St, Ny
  }