edu.ncsu.epc.models.GetInfo.java Source code

Introduction

Here is the source code for edu.ncsu.epc.models.GetInfo.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.
 */

package edu.ncsu.epc.models;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;

import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;

/**
 *
 * @author nabajyoti
 */
public class GetInfo {

    private String restURL;
    private final String USER_AGENT = "Mozilla/5.0";

    public String sendGetRequest() {

        URL obj;
        StringBuffer response = new StringBuffer();
        try {
            obj = new URL(getRestURL());

            HttpURLConnection con = (HttpURLConnection) obj.openConnection();

            // optional default is GET
            con.setRequestMethod("GET");

            //add request header
            con.setRequestProperty("User-Agent", USER_AGENT);

            int responseCode = con.getResponseCode();
            //System.out.println("\nSending 'GET' request to URL : " + url);
            System.out.println("Response Code : " + responseCode);

            BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
            String inputLine;
            response = new StringBuffer();

            while ((inputLine = in.readLine()) != null) {
                response.append(inputLine);
            }
            in.close();
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return response.toString();

        //print result
        //System.out.println(response.toString());

    }

    public ApartmentInfo parseJSON(String response, String addr) {
        ApartmentInfo aptInfo = null;
        try {
            JSONObject json = (JSONObject) new JSONParser().parse(response);
            JSONArray jsonArray = (JSONArray) new JSONParser().parse(json.get("collection").toString());
            for (int i = 0; i < jsonArray.size(); i++) {
                JSONObject json2 = (JSONObject) new JSONParser().parse(jsonArray.get(i).toString());
                if (addr.startsWith(json2.get("address").toString())) {
                    aptInfo = new ApartmentInfo();
                    aptInfo.addr = json2.get("address").toString();
                    if (json2.get("city") != null)
                        aptInfo.city = json2.get("city").toString();
                    if (json2.get("state") != null)
                        aptInfo.state = json2.get("state").toString();
                    if (json2.get("bedrooms") == null) {
                        JSONArray jsonArray1 = (JSONArray) new JSONParser()
                                .parse(json2.get("latest_prices").toString());
                        JSONObject jsonlatest_price = (JSONObject) new JSONParser()
                                .parse(jsonArray1.get(0).toString());
                        aptInfo.noOfBedrooms = Double.parseDouble(jsonlatest_price.get("bedrooms").toString());
                        aptInfo.rent = Double.parseDouble(jsonlatest_price.get("rent").toString());
                    } else {
                        aptInfo.noOfBedrooms = Double.parseDouble(json2.get("bedrooms").toString());
                        aptInfo.rent = Double.parseDouble(json2.get("rent").toString());
                    }
                    if (json2.get("rent") != null)
                        aptInfo.rent = Double.parseDouble(json2.get("rent").toString());
                    aptInfo.zip = (String) json2.get("zip_code");
                    if (json2.get("year_built") != null)
                        aptInfo.year_built = Double.parseDouble(json2.get("year_built").toString());

                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return aptInfo;
    }

    public String getRestURL() {
        return restURL;
    }

    public void setRestURL(String address) {
        try {
            this.restURL = "http://www.rentmetrics.com/api/v1/apartments.json?address="
                    + URLEncoder.encode(address, "UTF-8")
                    + "&bedrooms=2&api_token=TEST&offset=0&limit=2&include_images=false";
        } catch (UnsupportedEncodingException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

}