| /* |
| |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.ex.chips; |
| |
| import android.text.TextUtils; |
| |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| /** |
| * A utility class for chips using phone numbers. |
| */ |
| public class PhoneUtil { |
| |
| // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before |
| // parens, so numbers such as "1 (425) 222-2342" match. |
| private static final Pattern PHONE_PATTERN |
| = Pattern.compile( // sdd = space, dot, or dash |
| "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* |
| + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* |
| + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> |
| |
| /** |
| * Returns true if the string is a phone number. |
| */ |
| public static boolean isPhoneNumber(String number) { |
| // TODO: replace this function with libphonenumber's isPossibleNumber (see |
| // PhoneNumberUtil). One complication is that it requires the sender's region which |
| // comes from the CurrentCountryIso. For now, let's just do this simple match. |
| if (TextUtils.isEmpty(number)) { |
| return false; |
| } |
| |
| Matcher match = PHONE_PATTERN.matcher(number); |
| return match.matches(); |
| } |
| } |