import java.io.BufferedReader;

import java.io.InputStreamReader;

import java.net.URL;

import java.net.URLConnection;

import java.util.ArrayList;

import java.util.List;

 

public class FuelPreisService {

 

    public static void main(String[] args) throws Exception {

 

        String siteAddress = "https://www.globalpetrolprices.com/gasoline_prices/?literGalon=1&currency=EUR";

        String httpContent = getContentOfHTTPPage(siteAddress);

        List<String> preisFuel = getPreisFuel(httpContent);

        System.out.println(preisFuel);

 

    }

 

 

    private static List<String> getPreisFuel(String httpContent) throws Exception {

 

        List<String> result = new ArrayList<String>();

 

        String[] array1 = httpContent.split("data=");

        String st1 = array1[1];

 

        String[] array2 = st1.split("&titles");

        String prices = array2[0];

 

        String[] array3 = prices.split(",");

        for (int i = 0; i < array3.length; i++) {

        result.add((array3[i]));

        }

 

        return result;

 

    }

 

 

    private static String getContentOfHTTPPage(String pageAddress) throws Exception {

 

        StringBuilder sb = new StringBuilder();

        URL pageURL = new URL(pageAddress);

        URLConnection uc = pageURL.openConnection();

        BufferedReader br = new BufferedReader(new InputStreamReader(uc.getInputStream()));

        try {

            String inputLine;

            while ((inputLine = br.readLine()) != null) {

                sb.append(inputLine);

            }

        } finally {

            br.close();

        }

 

        return sb.toString();

 

    }

 

}