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FetchJSONObject.java
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FetchJSONObject.java
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package ua.edu;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.util.Set;
import org.json.JSONException;
import org.json.JSONObject;
public class FetchJSONObject {
static String[] longitudeArray;
static String[] latitudeArray;
static String[] storeArray;
static Set<String> attributeSet;
static String url = "https://maps.googleapis.com/maps/api/place/nearbysearch/json?radius=500&sensor=false&";
static String key1 = "key=AIzaSyAPeFn1fRCwyFOWmBo17nWj1YkqerskPH0&";
static String key2 = "key=AIzaSyDsfDnzIiQjdRlCF5xK4PLCUOdQ98OkQHY&";
static String key3 = "key=AIzaSyDo4LJLgiDro4adOalhBW04A0JckF235wA&";
static String key4 = "key=AIzaSyDWfJNlZUBKhmY3tQekzpMoJLZnSQGZg9Y&";
public static void main(String[] args) {
try {
readLocationFile();
if (longitudeArray != null && latitudeArray != null) {
String location = "D:\\Akron\\Academics\\Data Mining\\Final_Project\\JSON\\DD\\";
// for SB 4333 done
int keyCount = 0;
int keyNumber = 1;
for (int i = 334; i < 1634; i++) {
boolean starBucksLoc = false;
int counter = 0;
keyCount++;
JSONObject jsonObject0 = null;
JSONObject jsonObject1 = null;
JSONObject jsonObject2 = null;
if (keyCount == 334) {
keyNumber++;
keyCount = 1;
}
String finalURL = constructURL(i, keyNumber);
JSONObject jsonObj = readJsonFromUrl(finalURL);
if (!jsonObj.toString().contains("Starbucks")) {
jsonObject0 = jsonObj;
} else {
starBucksLoc = true;
}
while (jsonObj.toString().contains("next_page_token")) {
if (!jsonObj.toString().contains("Starbucks")) {
counter++;
String pageTokenURL = finalURL
.concat("&pagetoken=").concat(
(String) jsonObj
.get("next_page_token"));
jsonObj = readJsonFromUrl(pageTokenURL);
if (counter == 1) {
jsonObject1 = jsonObj;
} else {
jsonObject2 = jsonObj;
}
if (counter == 2) {
break;
}
} else {
starBucksLoc = true;
break;
}
}
//Persistence code
if (!starBucksLoc) {
String outputFileName0 = "DD-" + storeArray[i] + "-"
+ 0 + ".json";
String outputFileName1 = "DD-" + storeArray[i] + "-"
+ 1 + ".json";
String outputFileName2 = "DD-" + storeArray[i] + "-"
+ 2 + ".json";
if (jsonObject0 != null) {
FileWriter fw = new FileWriter(location
+ outputFileName0);
BufferedWriter bw = new BufferedWriter(fw);
bw.write(jsonObject0.toString());
bw.close();
}
if (jsonObject1 != null) {
FileWriter fw1 = new FileWriter(location
+ outputFileName1);
BufferedWriter bw1 = new BufferedWriter(fw1);
bw1.write(jsonObject1.toString());
bw1.close();
}
if (jsonObject2 != null) {
FileWriter fw2 = new FileWriter(location
+ outputFileName2);
BufferedWriter bw2 = new BufferedWriter(fw2);
bw2.write(jsonObject2.toString());
bw2.close();
}
}else{
System.out.println( "starbuck is present at "+storeArray[i] + "location");
}
}
}
System.out.println("Done!");
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static String constructURL(int i, int keyNumber) {
StringBuilder urlSB = new StringBuilder();
if (keyNumber == 1) {
urlSB.append(url).append(key1).append("location=")
.append(longitudeArray[i]).append(",")
.append(latitudeArray[i]);
} else if (keyNumber == 2) {
urlSB.append(url).append(key2).append("location=")
.append(longitudeArray[i]).append(",")
.append(latitudeArray[i]);
} else if (keyNumber == 3) {
urlSB.append(url).append(key3).append("location=")
.append(longitudeArray[i]).append(",")
.append(latitudeArray[i]);
} else {
urlSB.append(url).append(key4).append("location=")
.append(longitudeArray[i]).append(",")
.append(latitudeArray[i]);
}
return urlSB.toString();
}
public static JSONObject readJsonFromUrl(String url) throws IOException,
JSONException {
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
InputStream is = new URL(url).openStream();
try {
BufferedReader rd = new BufferedReader(new InputStreamReader(is));
String jsonText = readData(rd);
JSONObject obj = new JSONObject(jsonText.trim());
return obj;
} finally {
is.close();
}
}
public static void readLocationFile() {
String fileLocation = "D:\\Akron\\Academics\\Data Mining\\Final_Project\\DDLocation\\DDLoc.csv";
try {
BufferedReader br = new BufferedReader(new FileReader(fileLocation));
String line = "";
StringBuilder longitudeSB = new StringBuilder();
StringBuilder latitudeSB = new StringBuilder();
StringBuilder storeNumberSB = new StringBuilder();
while ((line = br.readLine()) != null) {
String[] lineArray = line.split(",");
longitudeSB.append(lineArray[1]).append(",");
latitudeSB.append(lineArray[2]).append(",");
storeNumberSB.append(lineArray[0]).append(",");
}
longitudeArray = longitudeSB.toString().split(",");
latitudeArray = latitudeSB.toString().split(",");
storeArray = storeNumberSB.toString().split(",");
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static String readData(BufferedReader rd) {
StringBuffer sb = new StringBuffer();
try {
String line = "";
// sb.append(rd.readLine());
while ((line = rd.readLine()) != null) {
sb.append(line);
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return sb.toString();
}
}