1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.inputmethod.latin.personalization; 18 19 import android.accounts.Account; 20 import android.accounts.AccountManager; 21 import android.content.Context; 22 import android.util.Patterns; 23 24 import java.util.ArrayList; 25 import java.util.List; 26 import java.util.Locale; 27 28 public class AccountUtils { AccountUtils()29 private AccountUtils() { 30 // This utility class is not publicly instantiable. 31 } 32 getAccounts(final Context context)33 private static Account[] getAccounts(final Context context) { 34 return AccountManager.get(context).getAccounts(); 35 } 36 getDeviceAccountsEmailAddresses(final Context context)37 public static List<String> getDeviceAccountsEmailAddresses(final Context context) { 38 final ArrayList<String> retval = new ArrayList<>(); 39 for (final Account account : getAccounts(context)) { 40 final String name = account.name; 41 if (Patterns.EMAIL_ADDRESS.matcher(name).matches()) { 42 retval.add(name); 43 retval.add(name.split("@")[0]); 44 } 45 } 46 return retval; 47 } 48 49 /** 50 * Get all device accounts having specified domain name. 51 * @param context application context 52 * @param domain domain name used for filtering 53 * @return List of account names that contain the specified domain name 54 */ getDeviceAccountsWithDomain( final Context context, final String domain)55 public static List<String> getDeviceAccountsWithDomain( 56 final Context context, final String domain) { 57 final ArrayList<String> retval = new ArrayList<>(); 58 final String atDomain = "@" + domain.toLowerCase(Locale.ROOT); 59 for (final Account account : getAccounts(context)) { 60 if (account.name.toLowerCase(Locale.ROOT).endsWith(atDomain)) { 61 retval.add(account.name); 62 } 63 } 64 return retval; 65 } 66 } 67