tweet.setCreated_at(SimpleTweet.dateFormat.format(new Date(date)));
tweet.setEntities(new Entities());
tweet.getEntities().setHashtags(new ArrayList<HashTag>());
tweet.getEntities().getHashtags().add(new HashTag());
tweet.getEntities().getHashtags().get(0).setText(hashTag);
tweet.setUser(new UserInfo());
tweet.getUser().setLocation(location);
writer.write(mapper.writeValueAsString(tweet) + "\n");
}
writer.close();