jars/gss-lib-2.2/sample/SpreadSheet_Auth/src/com/gss/sample/auth/AndroidAuthenticator.java

   1 package com.gss.sample.auth;\r
   2 \r
   3 import android.accounts.Account;\r
   4 import android.accounts.AccountManager;\r
   5 import android.accounts.AccountManagerFuture;\r
   6 import android.app.Activity;\r
   7 import android.os.Bundle;\r
   8 import android.util.Log;\r
   9 \r
  10 import com.pras.auth.Authenticator;\r
  11 \r
  12 public class AndroidAuthenticator implements Authenticator {\r
  13 \r
  14         private final String TAG = "AndroidAuthenticator";\r
  15         Activity activity;\r
  16         AccountManager manager;\r
  17         private String mService = null;\r
  18         private String auth_token = "";\r
  19         \r
  20         public AndroidAuthenticator(Activity activity){\r
  21                 this.activity = activity;\r
  22                 manager = AccountManager.get(activity.getApplicationContext());\r
  23         }\r
  24         \r
  25         public String getAuthToken(String service) \r
  26         {\r
  27                 if(service == null){\r
  28                         throw new IllegalAccessError("No Service name defined, Can't create Auth Token...");\r
  29                 }\r
  30                 \r
  31                 if(mService != null && !mService.equals(service)){\r
  32                         // Reset previous Token\r
  33                         manager.invalidateAuthToken("com.google", auth_token);\r
  34                 }\r
  35                         \r
  36                 Account[] acs = manager.getAccountsByType("com.google");\r
  37                 Log.i(TAG, "Num of Matching account: "+ acs.length);\r
  38                 \r
  39                 for(int i=0; i<acs.length; i++){\r
  40                         if(acs[i].type.equals("com.google"))\r
  41                         {\r
  42                                 // The first Gmail Account will be selected\r
  43                                 Log.i(TAG, "Selected Google Account "+ acs[i].name);\r
  44                                 AccountManagerFuture result = (AccountManagerFuture)(manager.getAuthToken(acs[i], service, null, activity, null, null));\r
  45                                 \r
  46                                 try{\r
  47                                         Bundle b = (Bundle)result.getResult();\r
  48                                         auth_token = b.getString(AccountManager.KEY_AUTHTOKEN);\r
  49                                         Log.i(TAG, "Auth_Token: "+ auth_token);\r
  50                                         return auth_token;\r
  51                                 }catch(Exception ex){\r
  52                                         Log.i(TAG, "Error: "+ ex.toString());\r
  53                                 }\r
  54                         }\r
  55                 }\r
  56                 Log.i(TAG, "Problem in getting Auth Token...");\r
  57                 return null;\r
  58         }\r
  59 }\r