response.json

["{\"id\":\"8626\",\"type\":\"БВ\",\"leaves\":\"03:34:00\",\"arrives\":\"06:11:00\"}","{\"id\":\"1620\",\"type\":\"БВ\",\"leaves\":\"06:00:00\",\"arrives\":\"08:40:00\"}","{\"id\":\"10110\",\"type\":\"ПВ\",\"leaves\":\"06:35:00\",\"arrives\":\"10:20:00\"}","{\"id\":\"1622\",\"type\":\"БВ\",\"leaves\":\"07:00:00\",\"arrives\":\"09:35:00\"}","{\"id\":\"8640\",\"type\":\"БВ\",\"leaves\":\"08:00:00\",\"arrives\":\"10:30:00\"}","{\"id\":\"10112\",\"type\":\"ПВ\",\"leaves\":\"12:00:00\",\"arrives\":\"15:27:00\"}","{\"id\":\"8610\",\"type\":\"БВ\",\"leaves\":\"12:20:00\",\"arrives\":\"14:51:00\"}","{\"id\":\"1624\",\"type\":\"БВ\",\"leaves\":\"13:00:00\",\"arrives\":\"15:40:00\"}","{\"id\":\"10114\",\"type\":\"ПВ\",\"leaves\":\"14:00:00\",\"arrives\":\"17:29:00\"}","{\"id\":\"8602\",\"type\":\"БВ\",\"leaves\":\"17:00:00\",\"arrives\":\"19:30:00\"}","{\"id\":\"10116\",\"type\":\"ПВ\",\"leaves\":\"17:15:00\",\"arrives\":\"20:28:00\"}","{\"id\":\"1626\",\"type\":\"БВ\",\"leaves\":\"18:00:00\",\"arrives\":\"20:38:00\"}","{\"id\":\"8612\",\"type\":\"RБВ\",\"leaves\":\"20:56:00\",\"arrives\":\"23:21:00\"}"]

webutils.java

package eu.appsbakery.bdz;

import android.os.Build;
import android.util.Log;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.SocketTimeoutException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

/**
 * Created by harsh on 6/8/13.
 */
public class WebServiceUtil {
    public static JSONArray requestWebService(String serviceUrl) {
        disableConnectionReuseIfNecessary();

        HttpURLConnection urlConnection = null;
        try {
            // create connection
            URL urlToRequest = new URL(serviceUrl);
            urlConnection = (HttpURLConnection)
                    urlToRequest.openConnection();
            urlConnection.setConnectTimeout(5000);
            urlConnection.setReadTimeout(5000);

            // handle issues
            int statusCode = urlConnection.getResponseCode();
            if (statusCode == HttpURLConnection.HTTP_UNAUTHORIZED) {
                // handle unauthorized (if service requires user login)
            } else if (statusCode != HttpURLConnection.HTTP_OK) {
                // handle any other errors, like 404, 500,..
            }

            // create JSON object from content
            InputStream in = new BufferedInputStream(
                    urlConnection.getInputStream());
            return new JSONArray(getResponseText(in));
        } catch (MalformedURLException e) {
            // URL is invalid
        } catch (SocketTimeoutException e) {
            // data retrieval or connection timed out
        } catch (IOException e) {
            // could not read response body
            // (could not create input stream)
        } catch (JSONException e) {
            // response body is no valid JSON string
        } finally {
            if (urlConnection != null) {
                urlConnection.disconnect();
            }
        }

        return null;
    }

    /**
     * required in order to prevent issues in earlier Android version.
     */
    private static void disableConnectionReuseIfNecessary() {
        // see HttpURLConnection API doc

        if (Integer.parseInt(Build.VERSION.SDK)
                < Build.VERSION_CODES.FROYO) {
            System.setProperty("http.keepAlive", "false");
        }
    }

    private static String getResponseText(InputStream inStream) {
        // very nice trick from
        // http://weblogs.java.net/blog/pat/archive/2004/10/stupid_scanner_1.html
        return new Scanner(inStream).useDelimiter("\\A").next();
    }

    public static List<Train> findAllItems() {
        JSONArray serviceResult = WebServiceUtil.requestWebService(
                "URL");

        List<Train> foundItems = new ArrayList<Train>(20);

        try {
            for (int i = 0; i < serviceResult.length(); i++) {
                JSONObject obj = serviceResult.getJSONObject(i);
                foundItems.add(
                        new Train(obj.getString("id"),
                                obj.getString("type"),
                                obj.getString("leaves"),
                                obj.getString("arrives")));
            }
        } catch (JSONException e) {
            e.printStackTrace();
        }

        return foundItems;
    }
}