+\r
+\r
+    /**\r
+     * Update the accounts in AccountManager to meet the current version of accounts expected by the app, if needed.\r
+     *\r
+     * Introduced to handle a change in the structure of stored account names needed to allow different OC servers\r
+     * in the same domain, but not in the same path.\r
+     *\r
+     * @param   context     Used to access the AccountManager.\r
+     */\r
+    public static void updateAccountVersion(Context context) {\r
+        Account currentAccount = AccountUtils.getCurrentOwnCloudAccount(context);\r
+        AccountManager accountMgr = AccountManager.get(context);\r
+\r
+        if ( currentAccount != null ) {\r
+            String currentAccountVersion = accountMgr.getUserData(currentAccount, Constants.KEY_OC_ACCOUNT_VERSION);\r
+\r
+            if (currentAccountVersion == null) {\r
+                Log_OC.i(TAG, "Upgrading accounts to account version #" + ACCOUNT_VERSION);\r
+                Account[] ocAccounts = accountMgr.getAccountsByType(MainApp.getAccountType());\r
+                String serverUrl, username, newAccountName, password;\r
+                Account newAccount;\r
+                for (Account account : ocAccounts) {\r
+                    // build new account name\r
+                    serverUrl = accountMgr.getUserData(account, Constants.KEY_OC_BASE_URL);\r
+                    username = account.name.substring(0, account.name.lastIndexOf('@'));\r
+                    newAccountName = com.owncloud.android.lib.common.accounts.AccountUtils.\r
+                            buildAccountName(Uri.parse(serverUrl), username);\r
+\r
+                    // migrate to a new account, if needed\r
+                    if (!newAccountName.equals(account.name)) {\r
+                        Log_OC.d(TAG, "Upgrading " + account.name + " to " + newAccountName);\r
+\r
+                        // create the new account\r
+                        newAccount = new Account(newAccountName, MainApp.getAccountType());\r
+                        password = accountMgr.getPassword(account);\r
+                        accountMgr.addAccountExplicitly(newAccount, (password != null) ? password : "", null);\r
+\r
+                        // copy base URL\r
+                        accountMgr.setUserData(newAccount, Constants.KEY_OC_BASE_URL, serverUrl);\r
+\r
+                        // copy server version\r
+                        accountMgr.setUserData(\r
+                                newAccount,\r
+                                Constants.KEY_OC_VERSION,\r
+                                accountMgr.getUserData(account, Constants.KEY_OC_VERSION)\r
+                        );\r
+\r
+                        // copy cookies\r
+                        accountMgr.setUserData(\r
+                                newAccount,\r
+                                Constants.KEY_COOKIES,\r
+                                accountMgr.getUserData(account, Constants.KEY_COOKIES)\r
+                        );\r
+\r
+                        // copy type of authentication\r
+                        String isSamlStr = accountMgr.getUserData(account, Constants.KEY_SUPPORTS_SAML_WEB_SSO);\r
+                        boolean isSaml = "TRUE".equals(isSamlStr);\r
+                        if (isSaml) {\r
+                            accountMgr.setUserData(newAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");\r
+                        }\r
+\r
+                        String isOauthStr = accountMgr.getUserData(account, Constants.KEY_SUPPORTS_OAUTH2);\r
+                        boolean isOAuth = "TRUE".equals(isOauthStr);\r
+                        if (isOAuth) {\r
+                            accountMgr.setUserData(newAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");\r
+                        }\r
+                    /* TODO - study if it's possible to run this method in a background thread to copy the authToken\r
+                    if (isOAuth || isSaml) {\r
+                        accountMgr.setAuthToken(newAccount, mAuthTokenType, mAuthToken);\r
+                    }\r
+                    */\r
+\r
+                        // don't forget the account saved in preferences as the current one\r
+                        if (currentAccount != null && currentAccount.name.equals(account.name)) {\r
+                            AccountUtils.setCurrentOwnCloudAccount(context, newAccountName);\r
+                        }\r
+\r
+                        // remove the old account\r
+                        accountMgr.removeAccount(account, null, null);  // will assume it succeeds, not a big deal otherwise\r
+\r
+                    } else {\r
+                        // servers which base URL is in the root of their domain need no change\r
+                        Log_OC.d(TAG, account.name + " needs no upgrade ");\r
+                        newAccount = account;\r
+                    }\r
+\r
+                    // at least, upgrade account version\r
+                    Log_OC.d(TAG, "Setting version " + ACCOUNT_VERSION + " to " + newAccountName);\r
+                    accountMgr.setUserData(newAccount, Constants.KEY_OC_ACCOUNT_VERSION, Integer.toString(ACCOUNT_VERSION));\r
+\r
+                }\r
+            }\r
+        }\r
+    }\r
+\r
+\r