com.DA.assignment1.MovieTojson.java Source code

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Here is the source code for com.DA.assignment1.MovieTojson.java

Source

/*
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package com.DA.assignment1;

import com.mongodb.*;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;

/**
 *
 * @author Dan
 */
public class MovieTojson {

    private String title;
    private BufferedReader br;
    private FileWriter wr;

    public MovieTojson(String title, String from, String to) throws Exception {

        this.title = title;
        this.br = new BufferedReader(new InputStreamReader(new FileInputStream(from)));
        this.wr = new FileWriter(to);
        generateJson();
    }

    private void generateJson() throws Exception {
        String row = this.addRows();
        int count = 0;
        while (row != null) {
            wr.append(row + "\n");
            row = this.addRows();
            count++;
            if (count % 10000 == 0) {
                System.out.println("finished------" + count);
            }
        }

        wr.close();
    }

    private String addRows() throws Exception {

        BasicDBObject doc = null;

        String line = br.readLine();

        if (line != null) {
            String[] items = line.split("::");
            String movieID = items[0];
            String movieTitle = items[1];
            String[] generes = items[2].split("\\|");

            doc = new BasicDBObject();
            doc.put("movieID", movieID);
            doc.put("title", movieTitle);
            doc.put("generes", generes);

            return doc.toString();
        }
        return null;
    }

}