traininfo/provider/GoogleStationProvider.java

package dk.thoerup.traininfo.provider;

import java.util.ArrayList;
import java.util.List;

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

import android.location.Location;
import android.util.Log;
import dk.thoerup.traininfo.StationBean;
import dk.thoerup.traininfo.util.DownloadUtil;
@Deprecated
public class GoogleStationProvider implements StationProvider {

        
        
        public List<StationBean> lookupStationsByName(String name) {
                return null; // Not supported
        }
        
        @Override
        public List<StationBean> lookupStationsByIds(String ids) {
                return null;
        }
        
        @Override
        public List<StationBean> lookupStations(Location location) {
                List<StationBean> stations = new ArrayList<StationBean>();
                
                //ToDo: to be nice put the api key into the request
                String urlSource = "http://www.google.com/uds/GlocalSearch?callback=google.search.LocalSearch.RawCompletion&context=1&q=Train%20station&near=" + location.getLatitude() + "%2C" + location.getLongitude() + "&v=1.0";
                //String urlSource = "http://www.google.com/uds/GlocalSearch?callback=google.search.LocalSearch.RawCompletion&context=1&q=Train%20station&near=56.2%2C9.0&v=1.0";

                try {
                        String data = DownloadUtil.getContentString(urlSource, 30000);
                        StringBuilder builder = new StringBuilder(data);

                        while (builder.charAt(0) != '{')
                                builder.deleteCharAt(0);
                        while (builder.charAt(builder.length()-1) != '}')
                                builder.deleteCharAt(builder.length()-1);

                        JSONObject json = new JSONObject(builder.toString());
                        // now have some fun with the results...
                        JSONArray res = json.getJSONArray("results");

                        Location tmpLocation = new Location("gps");
                        stations.clear();

                        for (int i=0; i<res.length(); i++) {
                                JSONObject jsonStation = res.getJSONObject(i);

                                double lat = jsonStation.getDouble("lat");
                                double lng = jsonStation.getDouble("lng");
                                String title = jsonStation.getString("title");
                                String addr = jsonStation.getString("streetAddress");
                                tmpLocation.setLatitude(lat);
                                tmpLocation.setLongitude(lng);

                                float distance = location.distanceTo(tmpLocation);

                                stations.add( new StationBean(title,lat,lng,(int)distance,addr) );

                                Log.e("Location", title + " " + lat +"," + lng);
                        }

                } catch (Exception e) {
                        Log.e("Location","Location",e);
                        return null;
                }
                return stations;
        }
}
1	torben	253	package dk.thoerup.traininfo.provider;
2
3			import java.util.ArrayList;
4			import java.util.List;
5
6			import org.json.JSONArray;
7			import org.json.JSONObject;
8
9			import android.location.Location;
10			import android.util.Log;
11			import dk.thoerup.traininfo.StationBean;
12			import dk.thoerup.traininfo.util.DownloadUtil;
13	torben	577	@Deprecated
14	torben	253	public class GoogleStationProvider implements StationProvider {
15
16
17	torben	1006
18			public List<StationBean> lookupStationsByName(String name) {
19			return null; // Not supported
20	torben	381	}
21
22	torben	253	@Override
23	torben	1006	public List<StationBean> lookupStationsByIds(String ids) {
24			return null;
25	torben	433	}
26
27			@Override
28	torben	1006	public List<StationBean> lookupStations(Location location) {
29			List<StationBean> stations = new ArrayList<StationBean>();
30
31	torben	253	//ToDo: to be nice put the api key into the request
32			String urlSource = "http://www.google.com/uds/GlocalSearch?callback=google.search.LocalSearch.RawCompletion&context=1&q=Train%20station&near=" + location.getLatitude() + "%2C" + location.getLongitude() + "&v=1.0";
33			//String urlSource = "http://www.google.com/uds/GlocalSearch?callback=google.search.LocalSearch.RawCompletion&context=1&q=Train%20station&near=56.2%2C9.0&v=1.0";
34
35			try {
36	torben	283	String data = DownloadUtil.getContentString(urlSource, 30000);
37	torben	253	StringBuilder builder = new StringBuilder(data);
38
39			while (builder.charAt(0) != '{')
40			builder.deleteCharAt(0);
41			while (builder.charAt(builder.length()-1) != '}')
42			builder.deleteCharAt(builder.length()-1);
43
44			JSONObject json = new JSONObject(builder.toString());
45			// now have some fun with the results...
46			JSONArray res = json.getJSONArray("results");
47
48			Location tmpLocation = new Location("gps");
49			stations.clear();
50
51			for (int i=0; i<res.length(); i++) {
52			JSONObject jsonStation = res.getJSONObject(i);
53
54			double lat = jsonStation.getDouble("lat");
55			double lng = jsonStation.getDouble("lng");
56			String title = jsonStation.getString("title");
57			String addr = jsonStation.getString("streetAddress");
58			tmpLocation.setLatitude(lat);
59			tmpLocation.setLongitude(lng);
60
61			float distance = location.distanceTo(tmpLocation);
62
63			stations.add( new StationBean(title,lat,lng,(int)distance,addr) );
64
65			Log.e("Location", title + " " + lat +"," + lng);
66			}
67
68			} catch (Exception e) {
69			Log.e("Location","Location",e);
70	torben	1006	return null;
71	torben	253	}
72			return stations;
73			}
74			}