src/org/average/whereami/Oracle.java

   1 package org.average.whereami;
   2
   3 import org.average.whereami.PersistentStore;
   4
   5 import java.io.IOException;
   6
   7 import com.google.api.client.extensions.android2.AndroidHttp;
   8 import com.google.api.client.auth.oauth2.draft10.AccessTokenResponse;
   9 import com.google.api.client.googleapis.auth.oauth2.draft10.GoogleAccessProtectedResource;
  10 import com.google.api.client.http.HttpResponseException;
  11 import com.google.api.client.http.HttpTransport;
  12 import com.google.api.client.http.javanet.NetHttpTransport;
  13 import com.google.api.client.json.JsonFactory;
  14 import com.google.api.client.json.jackson.JacksonFactory;
  15
  16 import android.content.res.Resources;
  17 import android.util.Log;
  18
  19 abstract public class Oracle {
  20
  21         final String TAG = getClass().getName();
  22
  23         static public PersistentStore store;
  24         static public HttpTransport httpTransport =
  25                         AndroidHttp.newCompatibleTransport();
  26         static public JsonFactory jsonFactory = new JacksonFactory();
  27         static public String authErrorMessage;
  28
  29         public Oracle(final Resources res, final PersistentStore store) {
  30                 authErrorMessage = res.getString(R.string.autherror);
  31                 this.store = store;
  32         }
  33
  34         private class MyAccessProtectedResource
  35                 extends GoogleAccessProtectedResource {
  36
  37                 public MyAccessProtectedResource(
  38                                 String accessToken,
  39                                 HttpTransport transport,
  40                                 JsonFactory jsonFactory,
  41                                 String clientId,
  42                                 String clientSecret,
  43                                 String refreshToken) {
  44                         super(accessToken, transport, jsonFactory,
  45                                 clientId, clientSecret, refreshToken);
  46                 }
  47
  48                 @Override
  49                 public void onAccessToken(String accessToken) {
  50                         Log.v(TAG, "Update access token to \""
  51                                 + accessToken + "\"");
  52                         store.updateAccessToken( accessToken);
  53                 }
  54
  55                 @Override
  56                 protected boolean executeRefreshToken() throws IOException {
  57                         Log.v(TAG, "executeRefreshToken was called");
  58                         return super.executeRefreshToken();
  59                 }
  60         }
  61
  62         public MyAccessProtectedResource
  63                                 newMyAccessProtectedResource() {
  64                 AccessTokenResponse token = store.readTokens();
  65                 Log.v(TAG, "tokens - access: \"" + token.accessToken +
  66                         "\", refresh: \"" + token.refreshToken +
  67                         "\", client_id: \"" + ClientCredentials.CLIENT_ID +
  68                         "\", client_secret: \"" +
  69                                 ClientCredentials.CLIENT_SECRET +
  70                         "\"");
  71                 return new MyAccessProtectedResource(
  72                         token.accessToken, httpTransport, jsonFactory,
  73                         ClientCredentials.CLIENT_ID,
  74                         ClientCredentials.CLIENT_SECRET,
  75                         token.refreshToken);
  76         }
  77
  78         abstract public String getResult();
  79 }