playground.jbischoff.carsharing.data.DriveNowParser.java Source code

Introduction

Here is the source code for playground.jbischoff.carsharing.data.DriveNowParser.java

Source

package playground.jbischoff.carsharing.data;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.GetMethod;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
import org.matsim.api.core.v01.Id;
import org.matsim.core.utils.io.IOUtils;

public class DriveNowParser {
    public static void main(String[] args) {
        DriveNowParser dnp = new DriveNowParser();
        Map<Id<CarsharingVehicleData>, CarsharingVehicleData> currentGrep = dnp.grepAndDumpOnlineDatabase("./");
        for (CarsharingVehicleData cv : currentGrep.values()) {
            System.out.println(cv.toString());
        }
    }

    public DriveNowParser() {
        VBBRouteCatcher.initiate();
    }

    public Map<Id<CarsharingVehicleData>, CarsharingVehicleData> grepAndDumpOnlineDatabase(String outputfolder) {
        JSONParser jp = new JSONParser();

        Map<Id<CarsharingVehicleData>, CarsharingVehicleData> currentGrep = new HashMap();
        try {
            Car2GoParser.disableCertificates();
            GetMethod get = new GetMethod("https://api2.drive-now.com/cities/6099/cars");

            get.setRequestHeader("X-Api-Key", "adf51226795afbc4e7575ccc124face7");

            HttpClient httpclient = new HttpClient();
            httpclient.executeMethod(get);

            BufferedReader in = new BufferedReader(new InputStreamReader(get.getResponseBodyAsStream()));
            JSONObject jsonObject = (JSONObject) jp.parse(in);

            BufferedWriter bw = IOUtils
                    .getBufferedWriter(outputfolder + "dn_" + System.currentTimeMillis() + ".json.gz");
            bw.write(jsonObject.toString());
            bw.flush();
            bw.close();

            JSONArray items = (JSONArray) jsonObject.get("items");

            Iterator<JSONObject> iterator = items.iterator();
            while (iterator.hasNext()) {
                JSONObject car = (JSONObject) iterator.next();
                String vin = (String) car.get("id");
                String license = ((String) car.get("licensePlate")).replace(" ", "");

                Id<CarsharingVehicleData> vid = Id.create(vin, CarsharingVehicleData.class);
                String mileage = "0";
                String fuel = car.get("fuelLevel").toString();
                String latitude = car.get("latitude").toString();
                String longitude = car.get("longitude").toString();
                currentGrep.put(vid,
                        new CarsharingVehicleData(vid, license, latitude, longitude, mileage, fuel, "DN"));
            }
        } catch (IOException e) {
            e.printStackTrace();
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return currentGrep;
    }
}