com.flexilogix.HTTPNotifierFunction.java Source code

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Here is the source code for com.flexilogix.HTTPNotifierFunction.java

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package com.flexilogix;

import org.apache.log4j.Logger;
import org.apache.spark.api.java.*;
import org.apache.spark.api.java.function.*;
import scala.Tuple5;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;

public class HTTPNotifierFunction implements Function<JavaRDD<Tuple5<Long, String, Float, Float, String>>, Void> {
    private static final long serialVersionUID = 42l;

    @Override
    public Void call(JavaRDD<Tuple5<Long, String, Float, Float, String>> rdd) {
        rdd.foreach(new SendPostFunction());
        return null;
    }
}

class SendPostFunction implements VoidFunction<Tuple5<Long, String, Float, Float, String>> {
    private static final long serialVersionUID = 42l;

    public void call(Tuple5<Long, String, Float, Float, String> tweet) {
        String webserver = Properties.getString("rts.spark.webserv");
        HttpClient client = new DefaultHttpClient();
        HttpPost post = new HttpPost(webserver);
        String content = String.format("{\"id\": \"%d\", " + "\"text\": \"%s\", " + "\"pos\": \"%f\", "
                + "\"neg\": \"%f\", " + "\"score\": \"%s\" }", tweet._1(), tweet._2(), tweet._3(), tweet._4(),
                tweet._5());

        try {
            post.setEntity(new StringEntity(content));
            HttpResponse response = client.execute(post);
            org.apache.http.util.EntityUtils.consume(response.getEntity());
        } catch (Exception ex) {
            Logger LOG = Logger.getLogger(this.getClass());
            LOG.error("exception thrown while attempting to post", ex);
            LOG.trace(null, ex);
        }
    }
}