XMLParsing.scala

object Example {
  import scala.xml._
  import scala.util.control.Exception._

  def str(node: Node, key: String): Option[String] = (node \\ key).headOption.map(_.text)

  def int(node: Node, key: String): Option[Int] = allCatch opt { str(node, key).map(_.toInt).get }

  case class Person(name: String, age: Int)

  def main (args: Array[String]) {
    val xml =
      <people>
        <person>
          <name>Taro Hara</name>
          <age>14</age>
        </person>
        <person>
          <name>Yoko Yamada</name>
          <age>15</age>
        </person>
      </people>

    val people = (xml \\ "person") flatMap { node =>
      for {
        name <- str(node, "name")
        age <- int(node, "age")
      } yield Person(name, age)
    }

    println(people)
  }
}