Processing sketch that fetches stuff from twitter & flickr

flickr_bot.java

ArrayList imageList;
int currentImageIndex = 0;


ArrayList fetchNewImages(String keyword) {
  XMLElement xml = new XMLElement(this, "http://api.flickr.com/services/feeds/photos_public.gne?tags=" + keyword + "&lang=en-us&format=rss_200");
  XMLElement[] linkTags = xml.getChildren("entry/link");

  ArrayList imageList = new ArrayList();

  for (int i=0; i < linkTags.length; i++) {
    XMLElement linkTag = linkTags[i];
    String rel = linkTag.getString("rel");

    if (rel.equals("enclosure")) {
      imageList.add(linkTag.getString("href"));
    }
  }

  return imageList;
}

String getRandomWordFromTwitterSearch(String search) {
  // Search for tweets and download the XML
  XMLElement xml = new XMLElement(this, "http://search.twitter.com/search.atom?q=" + search);
  XMLElement[] tweets = xml.getChildren("entry/title");

  // Get a random word from the first tweet
  String corpus = tweets[0].getContent();
  String[] words = corpus.split("\\s+");
  String randomWord = words[int(random(words.length))];

  println(randomWord);

  return randomWord;
}

void setup() {
  size(800, 600);

  String keyword = getRandomWordFromTwitterSearch("justin+bieber");
  imageList = fetchNewImages(keyword);
}

void draw() {
  background(0);
  String url = (String)imageList.get(currentImageIndex);

  PImage graphic = loadImage(url);

  image(graphic, 0, 0);

  currentImageIndex++;

  if (currentImageIndex >= imageList.size()) {
    currentImageIndex = 0;
    String keyword = getRandomWordFromTwitterSearch("justin+bieber");
    imageList = fetchNewImages(keyword);
  }

  graphic.save("relax_" + currentImageIndex + ".jpg");
}