Main.scala

import scala.collection.JavaConversions._
import java.util.List
import twitter4j.{TwitterFactory, Twitter, Tweet, QueryResult, Query}

object SimpleTwitterSearchApp {
  def search(word: String = "#rpscala"): List[Tweet] = {
    val query = new Query
    query.setQuery(word)

    val twitter = new TwitterFactory().getInstance()
    val results = twitter.search(query)
    val tweets = results.getTweets
    tweets
  }

  def printTweets(tweets: List[Tweet]) = {
    for (tweet <- tweets) {
      print("@" + tweet.getFromUser + ": ")
      println(tweet.getText)
    }
  }


  def main(args: Array[String]){
    val tweets = args.length match {
      case 0 => search()
      case _ => search(args(0))
    }

    printTweets(tweets)

  }

}