Java tutorial
/** Copyright (c) Novedia Group 2012. This file is part of Hubiquitus Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. You should have received a copy of the MIT License along with Hubiquitus. If not, see <http://opensource.org/licenses/mit-license.php>. */ package org.hubiquitus.hubotsdk.adapters.HtwitterAdapter; import java.net.MalformedURLException; import java.net.URL; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Map; import org.hubiquitus.hapi.exceptions.MissingAttrException; import org.hubiquitus.hapi.hStructures.HGeo; import org.hubiquitus.hapi.hStructures.HLocation; import org.hubiquitus.hapi.hStructures.HMessage; import org.joda.time.DateTime; import org.json.JSONException; import org.json.JSONObject; import org.slf4j.Logger; import org.slf4j.LoggerFactory; public class TweetToHMessage { final Logger log = LoggerFactory.getLogger(TweetToHMessage.class); /** * The map where the JSONObject's properties are kept. */ @SuppressWarnings("rawtypes") private Map map; /*** * * @param date * @return Joda date * @throws ParseException */ public static java.util.Date getTwitterDate(String date) throws ParseException { final String TWITTER = "EEE MMM dd HH:mm:ss ZZZZZ yyyy"; SimpleDateFormat sf = new SimpleDateFormat(TWITTER); sf.setLenient(true); return sf.parse(date); } /** * Get an optional value associated with a key. * * @param key A key string. * @return An object which is the value, or null if there is no value. */ public Object opt(String key) { return key == null ? null : this.map.get(key); } /** * Determine if the value associated with the key is null or if there is * no value. * * @param key A key string. * @return true if there is no value associated with the key or if * the value is the JSONObject.NULL object. */ public boolean isNull(String key) { return JSONObject.NULL.equals(opt(key)); } /** * Function for transforming Tweet to HMessage * @param tweet from Twitter API * @return HMessage of type hTweet * @throws JSONException */ public HMessage transformtweet(JSONObject tweet) throws JSONException { HMessage message = new HMessage(); HTweet htweet = new HTweet(); HTweetAuthor hauthortweet = new HTweetAuthor(); //Construct the location HLocation location = new HLocation(); //Construct the Place if (!tweet.isNull("place")) { if ("point".equalsIgnoreCase( tweet.getJSONObject("place").getJSONObject("bounding_box").getString("type"))) { HGeo geo = new HGeo( tweet.getJSONObject("place").getJSONObject("bounding_box").getJSONObject("coordinates")); location.setPos(geo); message.setLocation(location); } if (!(tweet.getJSONObject("place").isNull("full_name"))) { location.setAddr(tweet.getJSONObject("place").getString("full_name")); } if (!(tweet.getJSONObject("place").isNull("country_code"))) { location.setCountryCode(tweet.getJSONObject("place").getString("country_code")); } if ((!(tweet.getJSONObject("place").isNull("place_type"))) && ("city".equalsIgnoreCase(tweet.getJSONObject("place").getString("place_type")))) { location.setCity(tweet.getJSONObject("place").getString("name")); } } // Init The date try { DateTime createdAt = new DateTime(getTwitterDate(tweet.getString("created_at"))); DateTime createdAtAuthor = new DateTime( getTwitterDate(tweet.getJSONObject("user").getString("created_at"))); message.setPublished(new DateTime(createdAt)); hauthortweet.setCreatedAt(createdAtAuthor); } catch (ParseException e2) { log.error("ERROR IN DATE PARSE :", e2); } //Construct the Authortweet JSONObject hauthortweet.setStatus(tweet.getJSONObject("user").getInt("statuses_count")); hauthortweet.setFollowers(tweet.getJSONObject("user").getInt("followers_count")); hauthortweet.setFriends(tweet.getJSONObject("user").getInt("friends_count")); hauthortweet.setLocation(tweet.getJSONObject("user").getString("location")); hauthortweet.setDescription(tweet.getJSONObject("user").getString("description")); hauthortweet.setProfileImg(tweet.getJSONObject("user").getString("profile_image_url_https")); if (!"null".equalsIgnoreCase(tweet.getJSONObject("user").getString("url"))) { try { hauthortweet.setUrl(new URL(tweet.getJSONObject("user").getString("url"))); } catch (MalformedURLException e1) { log.debug("MAL FORMED URL :" + e1); } } hauthortweet.setLang(tweet.getJSONObject("user").getString("lang")); hauthortweet.setListeds(tweet.getJSONObject("user").getInt("listed_count")); hauthortweet.setGeo(tweet.getJSONObject("user").getBoolean("geo_enabled")); hauthortweet.setVerified(tweet.getJSONObject("user").getBoolean("verified")); hauthortweet.setName(tweet.getJSONObject("user").getString("name")); //Construct the tweet JSONObject htweet.setId(tweet.getLong("id")); try { htweet.setSource(tweet.getString("source")); htweet.setText(tweet.getString("text")); htweet.setAuthor(hauthortweet); //TODO see this } catch (MissingAttrException e) { log.error("mssage: ", e); } message.setPayload(htweet); message.setType("hTweet"); message.setAuthor(tweet.getJSONObject("user").getString("screen_name") + "@twitter.com"); if (log.isDebugEnabled()) { log.debug("tweet(" + tweet + ") -> hMessage :" + message); } return message; } }