1 /* 2 * Copyright (C) 2017 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.settings.wifi; 18 19 import android.text.TextUtils; 20 21 public class WifiUtils { 22 23 private static final int SSID_ASCII_MIN_LENGTH = 1; 24 private static final int SSID_ASCII_MAX_LENGTH = 32; 25 private static final int PASSWORD_MIN_LENGTH = 8; 26 private static final int PASSWORD_MAX_LENGTH = 63; 27 28 29 public static boolean isSSIDTooLong(String ssid) { 30 if (TextUtils.isEmpty(ssid)) { 31 return false; 32 } 33 return ssid.length() > SSID_ASCII_MAX_LENGTH; 34 } 35 36 public static boolean isSSIDTooShort(String ssid) { 37 if (TextUtils.isEmpty(ssid)) { 38 return true; 39 } 40 return ssid.length() < SSID_ASCII_MIN_LENGTH; 41 } 42 43 public static boolean isPasswordValid(String password) { 44 if (TextUtils.isEmpty(password)) { 45 return false; 46 } 47 final int length = password.length(); 48 return length >= PASSWORD_MIN_LENGTH && length <= PASSWORD_MAX_LENGTH; 49 } 50 } 51