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/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package com.mycompany.twitter.sentiments;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import opennlp.tools.doccat.DoccatModel;
import opennlp.tools.doccat.DocumentCategorizerME;
import opennlp.tools.doccat.DocumentSampleStream;
import opennlp.tools.util.ObjectStream;
import opennlp.tools.util.PlainTextByLineStream;
import twitter4j.Query;
import twitter4j.QueryResult;
import twitter4j.Status;
import twitter4j.Twitter;
import twitter4j.TwitterException;
import twitter4j.TwitterFactory;
import twitter4j.conf.ConfigurationBuilder;
/**
*
* @author milind
*/
public class SentimentAnalysisWithCount {
DoccatModel model;
static int positive = 0;
static int negative = 0;
public static void main(String[] args) throws IOException, TwitterException {
String line = "";
SentimentAnalysisWithCount twitterCategorizer = new SentimentAnalysisWithCount();
twitterCategorizer.trainModel();
ConfigurationBuilder cb = new ConfigurationBuilder();
cb.setDebugEnabled(true)
.setOAuthConsumerKey("3jmA1BqasLHfItBXj3KnAIGFB")
.setOAuthConsumerSecret("imyEeVTctFZuK62QHmL1I0AUAMudg5HKJDfkx0oR7oFbFinbvA")
.setOAuthAccessToken("265857263-pF1DRxgIcxUbxEEFtLwLODPzD3aMl6d4zOKlMnme")
.setOAuthAccessTokenSecret("uUFoOOGeNJfOYD3atlcmPtaxxniXxQzAU4ESJLopA1lbC");
TwitterFactory tf = new TwitterFactory(cb.build());
Twitter twitter = tf.getInstance();
Query query = new Query("udta punjab");
QueryResult result = twitter.search(query);
int result1 = 0;
for (Status status : result.getTweets()) {
result1 = twitterCategorizer.classifyNewTweet(status.getText());
if (result1 == 1) {
positive++;
} else {
negative++;
}
}
BufferedWriter bw = new BufferedWriter(new FileWriter("C:\\Users\\User\\Desktop\\results.csv"));
bw.write("Positive Tweets," + positive);
bw.newLine();
bw.write("Negative Tweets," + negative);
bw.close();
}
public void trainModel() {
InputStream dataIn = null;
try {
dataIn = new FileInputStream("C:\\Users\\User\\Downloads\\tweets.txt");
ObjectStream lineStream = new PlainTextByLineStream(dataIn, "UTF-8");
ObjectStream sampleStream = new DocumentSampleStream(lineStream);
// Specifies the minimum number of times a feature must be seen
int cutoff = 2;
int trainingIterations = 30;
model = DocumentCategorizerME.train("en", sampleStream, cutoff,
trainingIterations);
} catch (IOException e) {
e.printStackTrace();
} finally {
if (dataIn != null) {
try {
dataIn.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
public int classifyNewTweet(String tweet) throws IOException {
DocumentCategorizerME myCategorizer = new DocumentCategorizerME(model);
double[] outcomes = myCategorizer.categorize(tweet);
String category = myCategorizer.getBestCategory(outcomes);
System.out.print("-----------------------------------------------------\nTWEET :" + tweet + " ===> ");
if (category.equalsIgnoreCase("1")) {
System.out.println(" POSITIVE ");
return 1;
} else {
System.out.println(" NEGATIVE ");
return 0;
}
}
}
@milindjagre

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@milindjagre milindjagre commented Aug 25, 2016

Changed the username in comment from User to milind

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