private static void startStream(List<String> terms) throws TwitterException {
if (twitter != null) {
twitter.cleanUp();
}
if (esClient != null) {
esClient.close();
esClient = null;
}
play.Configuration pconf = Play.application().configuration();
String elasticSearchCluster = pconf.getString("tweet.elasticsearch.cluster.name");
if (elasticSearchCluster != null) {
Logger.info("Configuring ElasticSearch...");
Settings settings =
ImmutableSettings.settingsBuilder().put("cluster.name", elasticSearchCluster).build();
esClient =
new TransportClient(settings)
.addTransportAddress(
new InetSocketTransportAddress(
pconf.getString("tweet.elasticsearch.transport.host"),
pconf.getInt("tweet.elasticsearch.transport.port")));
} else {
esClient = null;
}
twitter4j.conf.Configuration tconf = Application.getTwitterConfiguration();
TwitterStreamFactory tf = new TwitterStreamFactory(tconf);
twitter = tf.getInstance();
StatusListener l =
new TweetListener(
terms,
esClient,
pconf.getString("tweet.elasticsearch.index"),
pconf.getString("tweet.elasticsearch.type"));
twitter.addListener(l);
String[] tracks = new String[terms.size()];
StringBuffer termsString = new StringBuffer();
for (int i = 0; i < terms.size(); i++) {
tracks[i] = terms.get(i);
if (i != 0) termsString.append(",");
termsString.append(terms.get(i));
}
FilterQuery q = new FilterQuery().track(tracks);
twitter.filter(q);
Logger.info("Starting listening for tweets using terms " + termsString.toString() + "...");
}
// --
@SuppressWarnings(value = "unchecked")
private static Result invokeHandler(
play.api.mvc.Handler handler, Request requestBuilder, long timeout) {
if (handler instanceof play.api.mvc.Action) {
play.api.mvc.Action action = (play.api.mvc.Action) handler;
return wrapScalaResult(action.apply(requestBuilder._underlyingRequest()), timeout);
} else if (handler instanceof JavaHandler) {
return invokeHandler(
((JavaHandler) handler)
.withComponents(
Play.application().injector().instanceOf(JavaHandlerComponents.class)),
requestBuilder,
timeout);
} else {
throw new RuntimeException("This is not a JavaAction and can't be invoked this way.");
}
}
public class Application extends Controller {
public static final File FILE_FOLDER = Play.getFile("public/pictures/");
public static final String THUMBNAILS = "thumbnail";
public static final String FULLSIZE = "fullsize";
public static final String RESIZED = "resized";
@Util
public static List<Gallery> getGalleries() {
return Gallery.all().fetch();
}
@Util
public static List<Gallery> getPicasaGalleries() {
return PicasaGallery.all().fetch();
}
public static void index() {
if (Gallery.count() > 0) {
Gallery defaultGallery = Gallery.all().first();
showGallery(defaultGallery.id, defaultGallery.name);
} else {
render();
}
}
public static void showImage(Long id) {
Content content = Content.findById(id);
notFoundIfNull(content);
response.setContentTypeIfNotSet(content.image.type());
File file = content.image.getFile();
notFoundIfNull(file);
renderBinary(file);
}
public static void showGallery(Long id, String name) {
notFoundIfNull(id);
Gallery gallery = Gallery.findById(id);
notFoundIfNull(gallery);
List<Picture> pictures = gallery.getPictures();
List<ImageView> images = new ArrayList<ImageView>();
for (Picture picture : pictures) images.add(picture.toImageView());
render("Application/gallery.html", images, gallery);
}
public static void showPicasaGallery(Long id, String name) {
notFoundIfNull(id);
PicasaGallery gallery = PicasaGallery.findById(id);
notFoundIfNull(gallery);
PicasawebService service = new PicasawebService("portfolio");
List<PhotoEntry> photoEntries = Collections.emptyList();
try {
java.net.URL feedUrl = new java.net.URL(gallery.getFeedUrl());
AlbumFeed feed = service.getFeed(feedUrl, AlbumFeed.class);
photoEntries = feed.getPhotoEntries();
} catch (MalformedURLException e) {
Logger.error("Service URL for Picasa is not well formed");
e.printStackTrace();
} catch (IOException e) {
Logger.error("Error I/O while communicating with Picasa Service");
e.printStackTrace();
} catch (ServiceException e) {
Logger.error("Picasa service error");
e.printStackTrace();
}
List<ImageView> images = new ArrayList<ImageView>();
for (PhotoEntry entry : photoEntries) {
ImageView image = new ImageView();
// We take the largest
image.thumbnail =
entry.getMediaThumbnails().get(entry.getMediaThumbnails().size() - 1).getUrl();
image.url = entry.getMediaContents().get(0).getUrl();
images.add(image);
}
render("Application/gallery.html", images, gallery);
}
public static void showContents() {
List<Content> contents = Content.findAll();
render(contents);
}
public static void thumbnail(Long galleryId, Long pictureId) {
File picture = Picture.getFile(galleryId, pictureId, Application.THUMBNAILS);
if (!picture.exists()) notFound();
renderBinary(picture);
}
public static void resized(Long galleryId, Long pictureId) {
File picture = Picture.getFile(galleryId, pictureId, Application.RESIZED);
if (!picture.exists()) notFound();
renderBinary(picture);
}
}
public static Result key() {
return ok("Key=" + Play.application().configuration().getString("key"));
}
