Get the content of a web request

RestClient.scala

import org.apache.http.client.methods.{CloseableHttpResponse, HttpGet}
import org.apache.http.impl.client.HttpClientBuilder

import scala.util.Try

class RestClient {
  def getRestContent(url:String): Try[String] = {
    val client = HttpClientBuilder.create.build
    val result = Try( {
      val request = new HttpGet(url)
      val response = client.execute(request)
      val entity = response.getEntity
      var content = ""
      if (entity != null) {
        val inputStream = entity.getContent
        content = io.Source.fromInputStream(inputStream).getLines.mkString
        inputStream.close
      }
      client.close
      content
    } )
    return result
  }
}

import scala.util.{Failure, Success}

object RestClientApp extends App {
  def ping = {
    val client = new RestClient
    client.getRestContent("http://localhost:4567") match {
      case Success(result) => println(result)
      case Failure(error) => println(s"failed with error: '${error.getMessage}'")
    }
    client.getRestContent("http://localhost:9000") match {
      case Success(result) => println(result)
      case Failure(error) => println(s"failed with error: '${error.getMessage}'")
    }
  }

  ping
}