mongoextraction.MongoExtraction.java Source code

Introduction

Here is the source code for mongoextraction.MongoExtraction.java

Source

/*
 * 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.
 */

/*NOT USING THIS CODE*/
/*JUST FOR TESTING PURPOSE*/

package mongoextraction;

import java.net.UnknownHostException;
import com.mongodb.DB;
import com.mongodb.DBCollection;
import com.mongodb.DBCursor;
import com.mongodb.DBObject;
import com.mongodb.Mongo;
import com.mongodb.MongoException;
import com.mongodb.util.JSON;
import org.json.JSONObject;
import com.mongodb.BasicDBObject;

/**
 * Java MongoDB : Convert JSON data to DBObject
 * 
 */

public class MongoExtraction {
    public static void main(String[] args) {

        try {

            Mongo mongo = new Mongo("localhost", 27017);
            DB db = mongo.getDB("twitterdata2");
            DBCollection collection = db.getCollection("tweets2");

            // convert JSON to DBObject directly
            //DBObject dbObject = (DBObject) JSON
            //.parse("{'name':'harika', 'age':24}");

            //collection.insert(dbObject);
            Integer count = 0;
            DBCursor cursorDoc = collection.find();
            while (cursorDoc.hasNext()) {
                count++;
                //System.out.println(cursorDoc.next());
                DBObject dbobj = cursorDoc.next();
                //System.out.println(dbobj);
                String jsonString = dbobj.toString();
                //String loctmp = jsonString.

            }
            System.out.println(count);
            System.out.println("Done");

        } catch (UnknownHostException e) {
            e.printStackTrace();
        } catch (MongoException e) {
            e.printStackTrace();
        }
    }
}