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.os.Handler;
import android.util.Log;
import dk.thoerup.traininfo.StationBean;
import dk.thoerup.traininfo.TrainInfoList;
import dk.thoerup.traininfo.util.DownloadUtil;

public class GoogleStationProvider implements StationProvider {

        List<StationBean> stations = new ArrayList<StationBean>();
        
        @Override
        public void lookupStations(Location location) {
                //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.getContent(urlSource, 30000, "UTF-8");
                        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);
                }
        }

        @Override
        public List<StationBean> getStations() {
                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.os.Handler;
11			import android.util.Log;
12			import dk.thoerup.traininfo.StationBean;
13			import dk.thoerup.traininfo.TrainInfoList;
14			import dk.thoerup.traininfo.util.DownloadUtil;
15
16			public class GoogleStationProvider implements StationProvider {
17
18			List<StationBean> stations = new ArrayList<StationBean>();
19
20			@Override
21			public void lookupStations(Location location) {
22			//ToDo: to be nice put the api key into the request
23			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";
24			//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";
25
26			try {
27			String data = DownloadUtil.getContent(urlSource, 30000, "UTF-8");
28			StringBuilder builder = new StringBuilder(data);
29
30			while (builder.charAt(0) != '{')
31			builder.deleteCharAt(0);
32			while (builder.charAt(builder.length()-1) != '}')
33			builder.deleteCharAt(builder.length()-1);
34
35			JSONObject json = new JSONObject(builder.toString());
36			// now have some fun with the results...
37			JSONArray res = json.getJSONArray("results");
38
39			Location tmpLocation = new Location("gps");
40			stations.clear();
41
42			for (int i=0; i<res.length(); i++) {
43			JSONObject jsonStation = res.getJSONObject(i);
44
45			double lat = jsonStation.getDouble("lat");
46			double lng = jsonStation.getDouble("lng");
47			String title = jsonStation.getString("title");
48			String addr = jsonStation.getString("streetAddress");
49			tmpLocation.setLatitude(lat);
50			tmpLocation.setLongitude(lng);
51
52			float distance = location.distanceTo(tmpLocation);
53
54			stations.add( new StationBean(title,lat,lng,(int)distance,addr) );
55
56			Log.e("Location", title + " " + lat +"," + lng);
57			}
58
59
60			} catch (Exception e) {
61			Log.e("Location","Location",e);
62			}
63			}
64
65			@Override
66			public List<StationBean> getStations() {
67			return stations;
68			}
69
70
71			}