src/org/average/whereami/Oracle.java

   1 package org.average.whereami;
   2
   3 import org.average.whereami.PersistentStore;
   4
   5 import com.google.api.client.extensions.android2.AndroidHttp;
   6 import com.google.api.client.auth.oauth2.draft10.AccessTokenResponse;
   7 import com.google.api.client.googleapis.auth.oauth2.draft10.GoogleAccessProtectedResource;
   8 import com.google.api.client.http.HttpResponseException;
   9 import com.google.api.client.http.HttpTransport;
  10 import com.google.api.client.http.javanet.NetHttpTransport;
  11 import com.google.api.client.json.JsonFactory;
  12 import com.google.api.client.json.jackson.JacksonFactory;
  13
  14 import android.content.res.Resources;
  15 import android.util.Log;
  16
  17 abstract public class Oracle {
  18
  19         final String TAG = getClass().getName();
  20
  21         public HttpTransport httpTransport;
  22         public JsonFactory jsonFactory;
  23         public PersistentStore store;
  24
  25
  26         public String authErrorMessage;
  27
  28         public Oracle(final Resources res, final PersistentStore store) {
  29                 authErrorMessage = res.getString(R.string.autherror);
  30                 this.store = store;
  31
  32                 httpTransport = AndroidHttp.newCompatibleTransport();
  33                 jsonFactory = new JacksonFactory();
  34 }
  35
  36         public GoogleAccessProtectedResource accessProtectedResource() {
  37                 AccessTokenResponse token = store.readTokens();
  38                 Log.v(TAG, "tokens - access: \"" + token.accessToken +
  39                         "\", refresh: \"" + token.refreshToken +
  40                         "\", client_id: \"" + ClientCredentials.CLIENT_ID +
  41                         "\", client_secret: \"" +
  42                                         ClientCredentials.CLIENT_SECRET +
  43                         "\"");
  44                 return new GoogleAccessProtectedResource(
  45                         token.accessToken, httpTransport, jsonFactory,
  46                         ClientCredentials.CLIENT_ID,
  47                         ClientCredentials.CLIENT_SECRET,
  48                         token.refreshToken)
  49                         {
  50                                 @Override
  51                                 public void onAccessToken(
  52                                                 String accessToken) {
  53                                         Log.v(TAG, "Update access token to \""
  54                                                 + accessToken + "\"");
  55                                         store.updateAccessToken(
  56                                                 accessToken);
  57                                 }
  58                         };
  59         }
  60
  61         abstract public String getResult();
  62 }