private String detectLanguage(String aDocumentText) throws AnalysisEngineProcessException {
String language = "x-unspecified";
try {
Detector detector = DetectorFactory.create();
detector.append(aDocumentText);
language = detector.detect();
} catch (LangDetectException e) {
// "no features in text" might occur if a message composes for instance of a single
// numeric value
// we silently ignore this particular error message, but throw all other
if (!isFeatureException(e)) {
throw new AnalysisEngineProcessException(e);
}
}
return language;
}
/**
* Function to detect the language of a given string
*
* @param text String containing the text whose language is to be detected
* @return Language code of the language in which the text is in (for e.g. "en" for english)
* @throws LangDetectException
*/
public static String detect(String text) throws LangDetectException {
if (text == null) {
return "";
}
Detector detector = DetectorFactory.create();
detector.append(text);
String s = "";
try {
s = detector.detect();
} catch (Exception e) {
return "";
}
return s;
}
private static ArrayList<String> ProcessTimeLine(String user)
throws InterruptedException, TwitterException {
ArrayList<String> Tweets = new ArrayList<String>();
ConfigurationBuilder cb = new ConfigurationBuilder();
cb.setDebugEnabled(true)
.setOAuthConsumerKey(KEY)
.setOAuthConsumerSecret(SECRET)
.setOAuthAccessToken(ACCESSTOKEN)
.setOAuthAccessTokenSecret(ACCESSSECRET);
cb.setJSONStoreEnabled(true);
// gets Twitter instance with default credentials
boolean bWait = true;
Twitter twitter = new TwitterFactory(cb.build()).getInstance();
do {
try {
Map<String, RateLimitStatus> oRT = twitter.getRateLimitStatus();
RateLimitStatus rateLimit = oRT.get("/statuses/user_timeline");
int remaining = rateLimit.getRemaining();
System.out.print("(Remaining API calls: " + remaining + ")");
int remainingTime = rateLimit.getSecondsUntilReset();
if (remaining <= NUM_TWEETS / 200 + 1) {
System.out.println("Waiting " + remainingTime + " seconds");
Thread.sleep(remainingTime * 1000);
} else bWait = false;
} catch (Exception te) {
if (te.toString().toLowerCase().contains("rate limit")
&& !te.toString().toLowerCase().contains("bad authentication data")) {
System.out.println("Waiting 60s");
Thread.sleep(60 * 1000);
} else {
bWait = false;
}
}
} while (bWait);
try {
Detector detector = DetectorFactory.create();
List<Status> statuses;
int iPage = 1;
int iTweets = 0;
do {
int iPageSize = 0;
if (iTweets + 200 < NUM_TWEETS) {
iPageSize = 200;
} else {
iPageSize = NUM_TWEETS - iTweets;
}
statuses = twitter.getUserTimeline(user, new Paging(iPage, iPageSize));
for (Status status : statuses) {
String sStatusId = "-1";
try {
if ((status.getRetweetedStatus() != null)
&& (status.getRetweetedStatus().getUser() != null)) {
continue;
}
try {
detector.append(Simplify(status.getText()));
if (detector.detect().equalsIgnoreCase("es")) {
String sStatusJSON = DataObjectFactory.getRawJSON(status);
Tweets.add(sStatusJSON);
}
} catch (Exception exl) {
}
} catch (Exception ex) {
System.out.println("ERROR in status id " + sStatusId);
}
iTweets++;
}
iPage++;
} while (statuses.size() > 0 && iTweets < NUM_TWEETS);
} catch (TwitterException te) {
te.printStackTrace();
System.out.println("Failed to get timeline: " + te.getMessage());
} catch (Exception ex) {
}
System.out.println("..." + Tweets.size() + " tweets.");
return Tweets;
}
public static int searchForTwits(int id, String text, Connection conn, String getDate)
throws TwitterException, SQLException, LangDetectException, ParseException {
Twitter twitter = new TwitterFactory().getInstance();
int countTweets = 0;
int pageNumber = 1;
int n = 0;
do {
Query query = new Query(text).rpp(100).page(pageNumber);
QueryResult result = twitter.search(query);
for (Tweet tweet : result.getTweets()) {
java.util.Date date = tweet.getCreatedAt();
Format formatter;
formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String newDate = formatter.format(date);
DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
java.util.Date oldDate = df.parse(getDate);
Statement input = conn.createStatement();
countTweets++;
if (date.after(oldDate)) {
Detector detector = DetectorFactory.create();
detector.append(tweet.getText());
String lang;
try {
lang = detector.detect();
if (lang.equals("lv") || lang.equals("ru")) {
try {
input.executeUpdate(
"INSERT INTO tweet "
+ "VALUES (null, '"
+ tweet.getId()
+ "', '"
+ tweet.getFromUser()
+ "', '"
+ tweet.getText().replace("'", "’")
+ "', '"
+ newDate
+ "', null, null, null)");
input.executeUpdate(
"INSERT INTO tweet_brand "
+ "VALUES (null, '"
+ tweet.getId()
+ "', '"
+ id
+ "')");
} catch (SQLException ex) {
}
n++;
} else continue;
} catch (LangDetectException ex) {
}
} else continue;
}
pageNumber++;
if (countTweets == 100) countTweets = 0;
else break;
} while (pageNumber != 16);
System.out.print(text + " ");
return n;
}