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|
/*
* Southampton University Map App
* Copyright (C) 2011 Christopher Baines
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package net.cbaines.suma;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.osmdroid.ResourceProxy;
import org.osmdroid.util.GeoPoint;
import org.osmdroid.views.overlay.PathOverlay;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import android.content.Context;
import android.util.Log;
import com.j256.ormlite.android.apptools.OpenHelperManager;
import com.j256.ormlite.dao.Dao;
import com.j256.ormlite.stmt.PreparedQuery;
import com.j256.ormlite.stmt.QueryBuilder;
import com.j256.ormlite.table.TableUtils;
public class DataManager {
private final static String TAG = "DataManager";
private final static String busStopUrl = "http://data.southampton.ac.uk/bus-stop/";
private static DatabaseHelper helper;
private static Dao<BusRoute, Integer> busRouteDao;
private static Dao<Bus, Integer> busDao;
private static Dao<BusStop, String> busStopDao;
public static void loadBuildings(Context context) throws SQLException, IOException {
DatabaseHelper helper = OpenHelperManager.getHelper(context, DatabaseHelper.class);
Dao<Building, String> buildingDao = helper.getBuildingDao();
TableUtils.clearTable(helper.getConnectionSource(), Building.class);
Log.i(TAG, "Begining loading buildings from csv");
HashMap<String, GeoPoint> buildingPoints = new HashMap<String, GeoPoint>();
InputStream inputStream = context.getAssets().open("buildings_points.csv");
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
String strLine;
try {
String def = bufferedReader.readLine();
// Log.i(TAG, "Reading the definition " + def);
while ((strLine = bufferedReader.readLine()) != null) {
// Log.i(TAG, "Data: " + strLine);
String[] dataBits = strLine.split(",");
GeoPoint point = Util.csLatLongToGeoPoint(dataBits[2], dataBits[1]);
// Log.i(TAG, "Creating building with id " + dataBits[0] +
// " and " + point.getLatitudeE6() + " " +
// point.getLongitudeE6());
buildingPoints.put(dataBits[0], point);
}
bufferedReader.close();
} catch (IOException e) {
e.printStackTrace();
}
// Log.i(TAG, "Number of building points " + buildingPoints.size());
inputStream = context.getAssets().open("building_estates.csv");
bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
try {
String def = bufferedReader.readLine();
// Log.i(TAG, "Reading the definition " + def);
while ((strLine = bufferedReader.readLine()) != null) {
// Log.i(TAG, "Data: " + strLine);
if (strLine.startsWith("\"")) {
String[] quoteBits = strLine.split("\"");
// Log.i(TAG, "QuoteBits " + quoteBits[0] + " | " +
// quoteBits[1]);
String[] dataBits = quoteBits[2].split(",");
// Log.i(TAG, "dataBits " + dataBits[0] + " | " +
// dataBits[1]);
if (buildingPoints.get(dataBits[1]) == null) {
// Log.w(TAG, "Building " + dataBits[1] +
// " has a null point");
continue;
}
Building bdg = new Building(dataBits[1], buildingPoints.get(dataBits[1]), dataBits[3].equals("R"),
quoteBits[0]);
/*
* Polygon poly = buildingPolys.get(dataBits[1]);
*
* if (poly != null) { bdg.outline = poly; // Log.i(TAG, "Adding building " + key + " " +
* bdg.point.getLatitudeE6() + " " + bdg.point.getLongitudeE6() + " " + poly); } else { // Log.i(TAG,
* "Adding building " + key + " " + bdg.point.getLatitudeE6() + " " + bdg.point.getLongitudeE6()); }
*/
// Log.i(TAG, "Creating building " + bdg.id + " " + bdg.name
// + " " + bdg.point + " " +
// bdg.residential + " " + bdg.outline);
buildingDao.create(bdg);
} else {
String[] dataBits = strLine.split(",");
if (buildingPoints.get(dataBits[1]) == null) {
// Log.w(TAG, "Building " + dataBits[1] +
// " has a null point");
continue;
}
Building bdg = new Building(dataBits[1], buildingPoints.get(dataBits[1]), dataBits[3].equals("R"),
dataBits[0]);
/*
* Polygon poly = buildingPolys.get(dataBits[1]);
*
* if (poly != null) { bdg.outline = poly; // Log.i(TAG, "Adding building " + key + " " +
* bdg.point.getLatitudeE6() + " " + bdg.point.getLongitudeE6() + " " + poly); } else { // Log.i(TAG,
* "Adding building " + key + " " + bdg.point.getLatitudeE6() + " " + bdg.point.getLongitudeE6()); }
*/
// Log.i(TAG, "Creating building " + bdg.id + " " + bdg.name
// + " " + bdg.point + " " +
// bdg.residential + " " + bdg.outline);
buildingDao.create(bdg);
}
}
bufferedReader.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
/*
* for (Iterator<String> iter = buildingPoints.keySet().iterator(); iter.hasNext();) { String key = iter.next();
*
* Building bdg = new Building(key, buildingPoints.get(key), false); Polygon poly = buildingPolys.get(key);
*
* if (poly != null) { bdg.outline = poly; // Log.i(TAG, "Adding building " + key + " " + bdg.point.getLatitudeE6() + " "
* + bdg.point.getLongitudeE6() + " " + poly); } else { // Log.i(TAG, "Adding building " + key + " " +
* bdg.point.getLatitudeE6() + " " + bdg.point.getLongitudeE6()); }
*
* buildingDao.create(bdg); }
*/
}
public static void loadBusData(Context context, boolean onlyUniLink) throws SQLException, IOException {
DatabaseHelper helper = OpenHelperManager.getHelper(context, DatabaseHelper.class);
Dao<BusStop, String> busStopDao = helper.getBusStopDao();
Dao<BusRoute, Integer> busRouteDao = helper.getBusRouteDao();
Dao<RouteStops, Integer> routeStopsDao = helper.getRouteStopsDao();
TableUtils.clearTable(helper.getConnectionSource(), BusStop.class);
TableUtils.clearTable(helper.getConnectionSource(), BusRoute.class);
TableUtils.clearTable(helper.getConnectionSource(), RouteStops.class);
Log.i(TAG, "Loading busstops from csv");
InputStream inputStream = context.getAssets().open("bus_stops.csv");
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
String strLine = "";
try {
String def = bufferedReader.readLine();
// Log.i(TAG, "Reading the definition " +def );
while ((strLine = bufferedReader.readLine()) != null) {
// Log.i(TAG, "Data: " + strLine);
String[] dataBits = strLine.split(",");
String[] quBitsLat = dataBits[3].substring(1, dataBits[3].length() - 1).split(" ");
String[] quBitsLng = dataBits[4].substring(1, dataBits[4].length() - 1).split(" ");
// Log.i(TAG, "Whole " + dataBits[3] + " First bit " +
// quBitsLat[0] + " last bit " + quBitsLat[1]);
double lat = Double.valueOf(quBitsLat[0]) + Double.valueOf(quBitsLat[1].substring(0, quBitsLat[1].length() - 1))
/ 60d;
// Log.i(TAG, "Whole " + dataBits[4] + " First bit " +
// quBitsLng[0] + " last bit " + quBitsLng[1]);
double lng = Double.valueOf(quBitsLng[0]) + Double.valueOf(quBitsLng[1].substring(0, quBitsLng[1].length() - 1))
/ 60d;
GeoPoint point = new GeoPoint((int) (lat * 1e6), (int) (lng * -1e6));
// Log.i(TAG, "Lat " + point.getLatitudeE6() + " lng " +
// point.getLongitudeE6());
busStopDao.create(new BusStop(dataBits[0].replace("\"", ""), dataBits[1].replace("\"", ""), dataBits[2].replace(
"\"", ""), point));
}
bufferedReader.close();
} catch (IOException e) {
Log.e(TAG, "Line: " + strLine);
e.printStackTrace();
}
Log.i(TAG, "Finished loading busstops, now loading routes");
inputStream = context.getAssets().open("routes.csv");
bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
try {
String def = bufferedReader.readLine();
// Log.i(TAG, "Reading the definition " + def);
while ((strLine = bufferedReader.readLine()) != null) {
// Log.i(TAG, "Data: " + strLine);
String[] dataBits = strLine.split(",");
BusRoute route;
boolean uniLink;
int id = Integer.parseInt(dataBits[0]);
if (id == 326 || id == 468 || id == 327 || id == 329 || id == 354) {
uniLink = true;
} else {
uniLink = false;
}
route = new BusRoute(id, dataBits[1], dataBits[2].replace("\"", ""), uniLink);
if (id == 326) { // U1
route.forwardDirection = "A";
route.reverseDirection = "C";
} else if (id == 329) { // U2
route.forwardDirection = "B";
route.reverseDirection = "C";
} else if (id == 327) { // U6
route.forwardDirection = "H";
route.reverseDirection = "C";
}
// Log.i(TAG, "Loaded route " + route.id + " " + route.code +
// " " + route.label);
busRouteDao.create(route);
}
bufferedReader.close();
} catch (IOException e) {
Log.e(TAG, "Line: " + strLine);
e.printStackTrace();
}
Log.i(TAG, "Finished loading routes, now loading routestops");
inputStream = context.getAssets().open("routestops.csv");
bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
try {
String def = bufferedReader.readLine();
// Log.i(TAG, "Reading the definition " + def);
while ((strLine = bufferedReader.readLine()) != null) {
// Log.i(TAG, "Data: " + strLine);
String[] dataBits = strLine.split(",");
BusStop busStop = busStopDao.queryForId(dataBits[2]);
if (busStop != null) {
// Log.i(TAG, "Found stop " + stop.id);
} else {
Log.w(TAG, "No stop found for " + dataBits[2]);
continue;
}
BusRoute busRoute = busRouteDao.queryForId(Integer.parseInt(dataBits[0]));
if (busRoute != null) {
// Log.i(TAG, "Found route " + route.id);
} else {
Log.w(TAG, "No route found for " + dataBits[0]);
continue;
}
int sequence = Integer.parseInt(dataBits[1]);
Log.i(TAG, "Creating RouteStop " + busStop.id + " " + busRoute.code + " " + sequence);
routeStopsDao.create(new RouteStops(busStop, busRoute, sequence));
if (busRoute.id == 326) { // U1
busStop.routes = (byte) (busStop.routes | 1);
busStop.uniLink = true;
} else if (busRoute.id == 468) { // U1N
busStop.routes = (byte) (busStop.routes | (1 << 1));
busStop.uniLink = true;
} else if (busRoute.id == 329) { // U2
busStop.routes = (byte) (busStop.routes | (1 << 2));
busStop.uniLink = true;
} else if (busRoute.id == 327) { // U6
busStop.routes = (byte) (busStop.routes | (1 << 3));
busStop.uniLink = true;
} else if (busRoute.id == 354) { // U9
busStop.routes = (byte) (busStop.routes | (1 << 4));
busStop.uniLink = true;
}
// Log.v(TAG, "Stop routes " + busStop.routes);
busStopDao.update(busStop);
}
bufferedReader.close();
} catch (IOException e) {
Log.e(TAG, "Line: " + strLine);
e.printStackTrace();
}
/*
* for (Iterator<BusStop> busStopIter = busStopDao.iterator(); busStopIter.hasNext();) { BusStop stop =
* busStopIter.next(); // Log.i(TAG, "Looking at stop " + stop.id);
*
*
* QueryBuilder<RouteStops, Integer> routeStopsQueryBuilder = routeStopsDao.queryBuilder();
* routeStopsQueryBuilder.where().eq(columnName, value)
*
* DeleteBuilder<BusStop, String> deleteBuilder = busStopDao.deleteBuilder(); // only delete the rows where password is
* null deleteBuilder.where().in(RouteStops.STOP_ID_FIELD_NAME, objects) accountDao.delete(deleteBuilder.prepare());
*
*
* QueryBuilder<RouteStops, Integer> routeStopsQueryBuilder = routeStopsDao.queryBuilder();
* routeStopsQueryBuilder.setCountOf(true); routeStopsQueryBuilder.where().eq(RouteStops.STOP_ID_FIELD_NAME, stop);
*
* PreparedQuery<RouteStops> routeStopsPreparedQuery = routeStopsQueryBuilder.prepare(); List<RouteStops> routeStops =
* routeStopsDao.query(routeStopsPreparedQuery); // long num = routeStopsDao.query(routeStopsPreparedQuery).size(); //
* Log.i(TAG, "Number is " + num);
*
* stop.uniLink = false; for (RouteStops routeStop : routeStops) { if (routeStop.busRoute.uniLink) { stop.uniLink = true;
* } } busStopDao.update(stop); }
*/
Log.i(TAG, "Finished loading bus data");
}
public static void loadSiteData(Context context) throws SQLException, IOException {
Log.i(TAG, "Begining loading site data");
DatabaseHelper helper = OpenHelperManager.getHelper(context, DatabaseHelper.class);
TableUtils.clearTable(helper.getConnectionSource(), Site.class);
Dao<Site, String> siteDao = helper.getSiteDao();
InputStream inputStream = context.getAssets().open("sites.csv");
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
String strLine = null;
try {
String def = bufferedReader.readLine();
// Log.i(TAG, "Reading the site definition " + def);
while ((strLine = bufferedReader.readLine()) != null) {
// Log.i(TAG, "Site Data: " + strLine);
String[] dataBits = strLine.split(",");
GeoPoint point = null;
if (dataBits[2].length() > 1 && dataBits[3].length() > 1) {
point = Util.csLatLongToGeoPoint(dataBits[2], dataBits[3]);
} else {
point = new GeoPoint(0, 0);
}
Polygon poly = Util.csPolygonToPolygon(strLine.split("\"")[1]);
// Log.i(TAG, "Polygon: " + poly);
siteDao.create(new Site(dataBits[0], dataBits[1], point, poly));
}
bufferedReader.close();
} catch (Exception e) {
// TODO Auto-generated catch block
Log.e(TAG, "Site Line: " + strLine);
e.printStackTrace();
}
Log.i(TAG, "Loaded sites from csv");
}
private static Stop getStop(Context context, JSONObject stopObj, Set<BusRoute> routes, BusStop busStop) throws SQLException,
JSONException {
if (helper == null)
helper = OpenHelperManager.getHelper(context, DatabaseHelper.class);
if (busRouteDao == null)
busRouteDao = helper.getBusRouteDao();
Dao<RouteStops, Integer> routeStopsDao = null;
if (routeStopsDao == null)
routeStopsDao = helper.getRouteStopsDao();
if (busDao == null)
busDao = helper.getBusDao();
if (busStopDao == null)
busStopDao = helper.getBusStopDao();
String time = stopObj.getString("time");
GregorianCalendar calender = new GregorianCalendar();
boolean live = true;
if (!time.equals("Due")) {
// Log.v(TAG, "Time: " + time + " current time " +
// calender.getTime());
if (time.contains(":")) {
String[] minAndHour = time.split(":");
calender.set(Calendar.HOUR_OF_DAY, Integer.parseInt(minAndHour[0]));
calender.set(Calendar.MINUTE, Integer.parseInt(minAndHour[1]));
live = false;
} else {
// Log.i(TAG, "Parsing " + time.substring(0, time.length() - 1)
// + " for min");
calender.add(Calendar.MINUTE, Integer.parseInt(time.substring(0, time.length() - 1)));
}
// Log.v(TAG, "Date: " + calender.getTime());
}
String name = stopObj.getString("name");
BusRoute route = null;
String dir = "";
for (BusRoute tempRoute : routes) {
if (name.contains("U")) {
if (name.equals("U1N")) {
if (tempRoute.code.equals(name)) {
route = tempRoute;
dir = null;
}
} else if (name.equals("U1E")) {
if (tempRoute.code.equals("U1")) {
route = tempRoute;
dir = "E";
}
} else {
if (tempRoute.code.equals(name.substring(0, 2))) {
route = tempRoute;
if (route.forwardDirection.equals(name.substring(2))) {
dir = route.forwardDirection;
} else if (route.reverseDirection.equals(name.substring(2))) {
dir = route.reverseDirection;
} else {
Log.e(TAG, "Error detecting direction for " + name);
dir = null;
return null;
}
}
}
} else {
if (tempRoute.code.equals(name)) {
route = tempRoute;
dir = null;
}
}
}
if (route == null) {
Log.e(TAG, "Route not found (route == null) " + name);
return null;
}
if (dir != null && dir.equals("")) {
Log.e(TAG, "Error detecting direction for " + name);
return null;
}
String destString = stopObj.getString("dest");
BusStop destStop = null;
if (destString.equals("Central Station")) {
destStop = busStopDao.queryForId("SN120520");
} else if (destString.equals("Civic Centre")) {
destStop = busStopDao.queryForId("SN120527");
} else if (destString.equals("City DG4")) {
destStop = busStopDao.queryForId("HAA13579");
} else if (destString.equals("Airport")) {
destStop = busStopDao.queryForId("HA030184");
} else if (destString.equals("City, Town Quay")) {
destStop = busStopDao.queryForId("SNA13766");
} else if (destString.equals("City Centre")) {
destStop = busStopDao.queryForId("SNA13766");
} else if (destString.equals("Dock Gate 4")) {
destStop = busStopDao.queryForId("MG1031");
} else if (destString.equals("Eastleigh")) {
destStop = busStopDao.queryForId("HA030212");
} else if (destString.equals("Crematorium")) {
destStop = busStopDao.queryForId("SN121009");
} else if (destString.equals("General Hosp")) {
destStop = busStopDao.queryForId("SNA19482");
} else if (destString.equals("Wessex Lane")) {
destStop = busStopDao.queryForId("SNA19780");
} else {
Log.e(TAG, "Unknown end dest " + destString + " for route " + route.code);
}
if (destStop != null) {
QueryBuilder<RouteStops, Integer> routeStopsQueryBuilder = routeStopsDao.queryBuilder();
routeStopsQueryBuilder.where().eq(RouteStops.ROUTE_ID_FIELD_NAME, route.id).and()
.eq(RouteStops.STOP_ID_FIELD_NAME, destStop.id);
PreparedQuery<RouteStops> routeStopsPreparedQuery = routeStopsQueryBuilder.prepare();
List<RouteStops> routeStops = routeStopsDao.query(routeStopsPreparedQuery);
if (routeStops.size() > 0) {
Log.i(TAG, "Found " + routeStops.size() + " stops matching the destStop " + destStop + " on route " + route.code);
} else {
Log.w(TAG, "Found " + routeStops.size() + " stops matching the destStop " + destStop + " on route " + route.code);
}
}
Date now = new Date(System.currentTimeMillis());
String busID = null;
Stop stop;
Bus bus;
if (stopObj.has("vehicle")) {
busID = stopObj.getString("vehicle");
QueryBuilder<Bus, Integer> busQueryBuilder = busDao.queryBuilder();
busQueryBuilder.where().eq(Bus.ID_FIELD_NAME, busID);
PreparedQuery<Bus> busPreparedQuery = busQueryBuilder.prepare();
bus = busDao.queryForFirst(busPreparedQuery);
if (bus == null) {
bus = new Bus(busID, route, dir);
bus.destination = destStop;
busDao.create(bus);
} else {
bus.destination = destStop;
bus.route = route;
bus.direction = dir;
busDao.update(bus);
}
} else {
bus = new Bus(null, route, dir);
busDao.create(bus);
}
stop = new Stop(bus, busStop, calender.getTime(), now, live);
return stop;
}
public static Timetable getTimetable(Context context, String busStop, boolean keepUniLink, boolean keepNonUniLink)
throws SQLException, ClientProtocolException, IOException, JSONException {
if (helper == null)
helper = OpenHelperManager.getHelper(context, DatabaseHelper.class);
if (busRouteDao == null)
busRouteDao = helper.getBusRouteDao();
if (busStopDao == null)
busStopDao = helper.getBusStopDao();
Timetable timetable = new Timetable();
String file = getFileFromServer(busStopUrl + busStop + ".json");
JSONObject data = new JSONObject(file);
JSONArray stopsArray = data.getJSONArray("stops");
JSONObject routesObject = data.getJSONObject("routes");
HashSet<BusRoute> busRoutes = new HashSet<BusRoute>();
for (Iterator<String> keyIter = routesObject.keys(); keyIter.hasNext();) {
String key = keyIter.next();
Log.v(TAG, "Route Key: " + key);
BusRoute route = busRouteDao.queryForId(Integer.parseInt(key.substring(key.length() - 3, key.length())));
if (route != null) {
busRoutes.add(route);
} else {
throw new RuntimeException("Route not found " + key.substring(key.length() - 3, key.length()) + " " + key);
}
}
Log.i(TAG, "Number of entries " + data.length());
Log.i(TAG, "Stops: " + data.getJSONArray("stops"));
for (int stopNum = 0; stopNum < stopsArray.length(); stopNum++) {
JSONObject stopObj = stopsArray.getJSONObject(stopNum);
if (!keepNonUniLink && !stopObj.getString("name").startsWith("U")) {
Log.v(TAG, "Skipping non uni-link stop " + stopObj.getString("name"));
continue;
}
if (!keepUniLink && stopObj.getString("name").startsWith("U")) {
Log.v(TAG, "Skipping uni-link stop " + stopObj.getString("name"));
continue;
}
BusStop busStopObj = busStopDao.queryForId(busStop);
if (busStopObj == null) {
Log.e(TAG, "BusStopObj == null");
}
Stop stop = getStop(context, stopObj, busRoutes, busStopObj);
if (stop == null) {
Log.w(TAG, "Null stop, skiping");
continue;
}
Log.v(TAG, "Found stop for a unidentified " + stop.bus.toString() + " at " + stop.busStop.id + " at "
+ stop.arivalTime);
timetable.add(stop);
}
timetable.fetchTime = new Date(System.currentTimeMillis());
return timetable;
}
public static Timetable getTimetable(Context context, Bus bus, BusStop startStop, int num) throws SQLException,
ClientProtocolException, IOException, JSONException {
if (helper == null)
helper = OpenHelperManager.getHelper(context, DatabaseHelper.class);
if (busRouteDao == null)
busRouteDao = helper.getBusRouteDao();
if (busStopDao == null)
busStopDao = helper.getBusStopDao();
Timetable timetable = new Timetable();
List<BusStop> busStops = new ArrayList<BusStop>(num);
busStops.add(startStop);
BusRoute route = bus.route;
for (int i = 0; i < num; i++) {
BusStop nextStop = route.moveInRoute(context, busStops.get(i), bus.direction, 1);
if (nextStop != null) {
busStops.add(nextStop);
} else {
Log.e(TAG, "nextStop is null");
}
}
for (BusStop busStop : busStops) {
String file = getFileFromServer(busStopUrl + busStop.id + ".json");
JSONObject data = new JSONObject(file);
JSONArray stopsArray = data.getJSONArray("stops");
HashSet<BusRoute> busRoutes = new HashSet<BusRoute>();
busRoutes.add(bus.route);
Log.v(TAG, "Number of entries " + data.length());
Log.v(TAG, "Stops: " + data.getJSONArray("stops"));
for (int stopNum = 0; stopNum < stopsArray.length(); stopNum++) {
JSONObject stopObj = stopsArray.getJSONObject(stopNum);
if (stopObj.getString("vehicle").equals(bus.id)) {
Stop stop = getStop(context, stopObj, busRoutes, busStop);
if (stop == null) {
Log.w(TAG, "Null stop, skiping");
continue;
}
Log.v(TAG, "Found stop for a unidentified " + stop.bus.toString() + " at " + stop.busStop.id + " at "
+ stop.arivalTime);
timetable.add(stop);
}
}
}
timetable.fetchTime = new Date(System.currentTimeMillis());
return timetable;
}
public static Stop getStop(Context context, Bus bus, BusStop busStop) throws SQLException, ClientProtocolException,
IOException, JSONException {
if (helper == null)
helper = OpenHelperManager.getHelper(context, DatabaseHelper.class);
if (busRouteDao == null)
busRouteDao = helper.getBusRouteDao();
if (busStopDao == null)
busStopDao = helper.getBusStopDao();
String file = getFileFromServer(busStopUrl + busStop.id + ".json");
JSONObject data = new JSONObject(file);
JSONArray stopsArray = data.getJSONArray("stops");
HashSet<BusRoute> busRoutes = new HashSet<BusRoute>();
busRouteDao.refresh(bus.route);
busRoutes.add(bus.route);
Stop stop = null;
// Log.v(TAG, "Number of entries " + data.length());
// Log.v(TAG, "Stops: " + data.getJSONArray("stops"));
for (int stopNum = 0; stopNum < stopsArray.length(); stopNum++) {
JSONObject stopObj = stopsArray.getJSONObject(stopNum);
// Log.v(TAG, "stopObj: " + stopObj);
if (stopObj.has("vehicle") && stopObj.getString("vehicle").equals(bus.id)) {
stop = getStop(context, stopObj, busRoutes, busStop);
break;
// Log.v(TAG, "Found stop for a unidentified " +
// stop.bus.toString() + " at " + stop.busStop.id + " at "
// + stop.arivalTime);
}
}
return stop;
}
static PathOverlay getRoutePath(InputStream routeResource, int colour, ResourceProxy resProxy) {
PathOverlay data = null;
// sax stuff
try {
SAXParserFactory spf = SAXParserFactory.newInstance();
SAXParser sp = spf.newSAXParser();
XMLReader xr = sp.getXMLReader();
DataHandler dataHandler = new DataHandler(colour, resProxy);
xr.setContentHandler(dataHandler);
xr.parse(new InputSource(routeResource));
data = dataHandler.getData();
} catch (ParserConfigurationException pce) {
Log.e("SAX XML", "sax parse error", pce);
} catch (SAXException se) {
Log.e("SAX XML", "sax error", se);
} catch (IOException ioe) {
Log.e("SAX XML", "sax parse io error", ioe);
}
return data;
}
public static String getFileFromServer(String request) throws ClientProtocolException, IOException {
StringBuilder builder = new StringBuilder();
HttpClient client = new DefaultHttpClient();
HttpGet httpGet = new HttpGet(request);
Log.v("Util.getFileFromServer", "Request used: " + request);
HttpResponse response = client.execute(httpGet);
StatusLine statusLine = response.getStatusLine();
int statusCode = statusLine.getStatusCode();
if (statusCode == 200) {
HttpEntity entity = response.getEntity();
InputStream content = entity.getContent();
BufferedReader reader = new BufferedReader(new InputStreamReader(content));
String line;
while ((line = reader.readLine()) != null) {
builder.append(line);
}
} else {
Log.e("", "Failed to download file");
}
return builder.toString();
}
public static void routeMovementTest(Context context) throws SQLException {
Dao<RouteStops, Integer> routeStopsDao = null;
if (helper == null)
helper = OpenHelperManager.getHelper(context, DatabaseHelper.class);
if (routeStopsDao == null)
routeStopsDao = helper.getRouteStopsDao();
if (busRouteDao == null)
busRouteDao = helper.getBusRouteDao();
if (busStopDao == null)
busStopDao = helper.getBusStopDao();
for (BusRoute busRoute : busRouteDao) {
if (!busRoute.code.startsWith("U") || busRoute.code.equals("U9")) {
continue;
}
List<RouteStops> routeStops = routeStopsDao.queryForEq(RouteStops.ROUTE_ID_FIELD_NAME, busRoute.id);
ArrayList<String> directions = new ArrayList<String>();
if (busRoute.forwardDirection != null) {
directions.add(busRoute.forwardDirection);
}
if (busRoute.reverseDirection != null) {
directions.add(busRoute.reverseDirection);
}
if (directions.size() == 0) {
directions.add(null);
}
BusStop startBusStop = null;
for (int moveAmount = 1; moveAmount >= -1; moveAmount = moveAmount - 2) {
for (String direction : directions) {
for (int busStop = 0; busStop < routeStops.size() && busStop >= 0; busStop = busStop + moveAmount) {
// if
// (routeStops.get(busStop).stop.equals(startBusStop))
// continue;
startBusStop = routeStops.get(busStop).busStop;
busStopDao.refresh(startBusStop);
BusStop predictedNextStop = busRoute.moveInRoute(context, startBusStop, direction, moveAmount);
BusStop nextStop;
if (busStop == routeStops.size() - 1) {
nextStop = routeStops.get(0).busStop;
} else {
nextStop = routeStops.get(busStop + 1).busStop;
}
busStopDao.refresh(nextStop);
if (!nextStop.equals(predictedNextStop) && !startBusStop.equals(nextStop)) {
Log.e(TAG, "predicted: " + predictedNextStop + " next: " + nextStop);
Log.e(TAG, startBusStop.id + " " + nextStop.id);
return;
}
}
}
}
}
}
}
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