src/org/average/whereami/LastLocation.java

   1 package org.average.whereami;
   2
   3 import org.average.whereami.CredentialStore;
   4 //import org.average.whereami.WhereAmIAccessResource;
   5
   6 import java.text.DateFormat;
   7 import java.text.SimpleDateFormat;
   8 import java.util.Date;
   9
  10 import com.google.api.client.auth.oauth2.draft10.AccessTokenResponse;
  11 import com.google.api.client.googleapis.auth.oauth2.draft10.GoogleAccessProtectedResource;
  12 import com.google.api.client.http.HttpTransport;
  13 import com.google.api.client.http.javanet.NetHttpTransport;
  14 import com.google.api.client.json.JsonFactory;
  15 import com.google.api.client.json.jackson.JacksonFactory;
  16 import com.google.api.services.latitude.Latitude;
  17 import com.google.api.services.latitude.LatitudeRequest;
  18 import com.google.api.services.latitude.model.Location;
  19
  20 import android.content.Context;
  21 import android.content.SharedPreferences;
  22 import android.util.Log;
  23
  24 public final class LastLocation extends Oracle {
  25
  26         final String TAG = getClass().getName();
  27
  28         private Latitude latitude;
  29
  30         public LastLocation(final CredentialStore store) {
  31                 HttpTransport transport = new NetHttpTransport();
  32                 JsonFactory jsonFactory = new JacksonFactory();
  33                 AccessTokenResponse token = store.read();
  34                 Log.v(TAG, "tokens - access: \"" + token.accessToken +
  35                         "\", refresh: \"" + token.refreshToken +
  36                         "\", client_id: \"" + ClientCredentials.CLIENT_ID +
  37                         "\", client_secret: \"" +
  38                                         ClientCredentials.CLIENT_SECRET +
  39                         "\"");
  40                 GoogleAccessProtectedResource accessProtectedResource =
  41                         new GoogleAccessProtectedResource(
  42                                 token.accessToken,
  43                                 transport, jsonFactory,
  44                                 ClientCredentials.CLIENT_ID,
  45                                 ClientCredentials.CLIENT_SECRET,
  46                                 token.refreshToken)
  47                                 {
  48                                         @Override
  49                                         public void onAccessToken(
  50                                                         String accessToken) {
  51                                                 Log.v(TAG, "Update access token to \"" + accessToken + "\"");
  52                                                 store.updateAccessToken(
  53                                                         accessToken);
  54                                         }
  55                                 }
  56                                 ;
  57                 Latitude.Builder lbldr = Latitude.builder(transport,
  58                                                                 jsonFactory);
  59                 lbldr.setHttpRequestInitializer(accessProtectedResource);
  60                 lbldr.setApplicationName("WhereAmI/1.0");
  61                 latitude = lbldr.build();
  62         }
  63
  64         @Override
  65         public final String getResult() {
  66                 try {
  67                         Log.v(TAG, "entering getResult");
  68                         Latitude.CurrentLocation.Get request =
  69                                 latitude.currentLocation().get();
  70                         request.setGranularity("best");
  71                         Location currentLocation = request.execute();
  72                         return locationMessage(currentLocation);
  73                 } catch (Exception ex) {
  74                         Log.v(TAG, "exception in getResult: " + ex);
  75                         ex.printStackTrace();
  76                         return ex.getMessage();
  77                 }
  78         }
  79
  80         private String locationMessage(Location currentLocation) {
  81                 Log.v(TAG, "entering locationMessage: " +
  82                         currentLocation);
  83                 // lat = currentLocation.getLatitude();
  84                 // lon = currentLocation.getLongitude();
  85                 // tsm = currentLocation.getTimestampMs();
  86                 return "Current location: " + currentLocation;
  87         }
  88 }