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         public HttpTransport httpTransport;
  24         public JsonFactory jsonFactory;
  25         public PersistentStore store;
  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         private class MyAccessProtectedResource
  37                 extends GoogleAccessProtectedResource {
  38
  39         // Why on earth contructors are not inherited?!?!
  40                 public MyAccessProtectedResource(
  41                                 String accessToken,
  42                                 HttpTransport transport,
  43                                 JsonFactory jsonFactory,
  44                                 String clientId,
  45                                 String clientSecret,
  46                                 String refreshToken) {
  47                         super(accessToken, transport, jsonFactory,
  48                                 clientId, clientSecret, refreshToken);
  49                 }
  50
  51                 @Override
  52                 public void onAccessToken(String accessToken) {
  53                         Log.v(TAG, "Update access token to \""
  54                                 + accessToken + "\"");
  55                         store.updateAccessToken( accessToken);
  56                 }
  57
  58                 @Override
  59                 protected boolean executeRefreshToken() throws IOException {
  60                         Log.v(TAG, "executeRefreshToken was called");
  61                         return super.executeRefreshToken();
  62                 }
  63         }
  64
  65         public MyAccessProtectedResource accessProtectedResource() {
  66                 AccessTokenResponse token = store.readTokens();
  67                 Log.v(TAG, "tokens - access: \"" + token.accessToken +
  68                         "\", refresh: \"" + token.refreshToken +
  69                         "\", client_id: \"" + ClientCredentials.CLIENT_ID +
  70                         "\", client_secret: \"" +
  71                                         ClientCredentials.CLIENT_SECRET +
  72                         "\"");
  73                 return new MyAccessProtectedResource(
  74                         token.accessToken, httpTransport, jsonFactory,
  75                         ClientCredentials.CLIENT_ID,
  76                         ClientCredentials.CLIENT_SECRET,
  77                         token.refreshToken);
  78         }
  79
  80         abstract public String getResult();
  81 }