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 import com.google.api.client.http.HttpTransport;
   7 import java.util.logging.Handler;
   8 import java.util.logging.Level;
   9 import java.util.logging.LogRecord;
  10 import java.util.logging.Logger;
  11
  12 import com.google.api.client.extensions.android2.AndroidHttp;
  13 import com.google.api.client.auth.oauth2.draft10.AccessTokenResponse;
  14 import com.google.api.client.googleapis.auth.oauth2.draft10.GoogleAccessProtectedResource;
  15 import com.google.api.client.http.HttpResponseException;
  16 import com.google.api.client.http.HttpTransport;
  17 import com.google.api.client.http.javanet.NetHttpTransport;
  18 import com.google.api.client.json.JsonFactory;
  19 import com.google.api.client.json.jackson.JacksonFactory;
  20
  21 import android.content.res.Resources;
  22 import android.util.Log;
  23
  24 abstract public class Oracle {
  25
  26         final String TAG = getClass().getName();
  27
  28         static public PersistentStore store;
  29         static public HttpTransport httpTransport =
  30                         AndroidHttp.newCompatibleTransport();
  31         static public JsonFactory jsonFactory = new JacksonFactory();
  32         static public String authErrorMessage;
  33
  34         public Oracle(final Resources res, final PersistentStore store) {
  35                 authErrorMessage = res.getString(R.string.autherror);
  36                 this.store = store;
  37                 enableLogging();
  38         }
  39
  40         private class MyAccessProtectedResource
  41                 extends GoogleAccessProtectedResource {
  42
  43                 public MyAccessProtectedResource(
  44                                 String accessToken,
  45                                 HttpTransport transport,
  46                                 JsonFactory jsonFactory,
  47                                 String clientId,
  48                                 String clientSecret,
  49                                 String refreshToken) {
  50                         super(accessToken, transport, jsonFactory,
  51                                 clientId, clientSecret, refreshToken);
  52                 }
  53
  54                 @Override
  55                 public void onAccessToken(String accessToken) {
  56                         Log.v(TAG, "Update access token to \""
  57                                 + accessToken + "\"");
  58                         store.updateAccessToken( accessToken);
  59                 }
  60
  61                 @Override
  62                 protected boolean executeRefreshToken() throws IOException {
  63                         Log.v(TAG, "executeRefreshToken was called");
  64                         return super.executeRefreshToken();
  65                 }
  66         }
  67
  68         public MyAccessProtectedResource
  69                                 newMyAccessProtectedResource() {
  70                 AccessTokenResponse token = store.readTokens();
  71                 Log.v(TAG, "tokens - access: \"" + token.accessToken +
  72                         "\", refresh: \"" + token.refreshToken +
  73                         "\", client_id: \"" + ClientCredentials.CLIENT_ID +
  74                         "\", client_secret: \"" +
  75                                 ClientCredentials.CLIENT_SECRET +
  76                         "\"");
  77                 return new MyAccessProtectedResource(
  78                         token.accessToken, httpTransport, jsonFactory,
  79                         ClientCredentials.CLIENT_ID,
  80                         ClientCredentials.CLIENT_SECRET,
  81                         token.refreshToken);
  82         }
  83
  84         abstract public String getResult();
  85
  86         public static void enableLogging() {
  87                 Logger logger = Logger.getLogger(HttpTransport.class.getName());
  88                 logger.setLevel(Level.CONFIG);
  89                 logger.addHandler(new Handler() {
  90                         @Override
  91                         public void close() throws SecurityException {}
  92                         @Override
  93                         public void flush() {}
  94                         @Override
  95                         public void publish(LogRecord record) {
  96                                 Log.v("HttpTransport", record.getMessage());
  97                         }
  98                 });
  99         }
 100 }