Implicit conversion

package.scala

package com

import example.util.RichURI
import java.net.URI

package object example {
  implicit def uri2RichURI(uri: URI): RichURI = RichURI(uri)

  implicit def richURI2URI(richURI: RichURI): URI = richURI.uri
}

RichURI.scala

package com.example.util

import java.net.URI

case class RichURI(uri: URI) {
  def getLastPathSegment = {
    val uriAsString = uri.toString
    val index = uriAsString.lastIndexOf("/")
    if (index != -1) {
      Some(uriAsString.substring(index + 1))
    }
    else {
      None
    }
  }
}