1/*
2 * Copyright (C) 2015 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
17package android.support.v7.mms;
18
19import android.text.TextUtils;
20import android.util.Log;
21
22import com.google.i18n.phonenumbers.NumberParseException;
23import com.google.i18n.phonenumbers.PhoneNumberUtil;
24import com.google.i18n.phonenumbers.Phonenumber;
25
26/**
27 * Helper methods for phone number formatting
28 * This is isolated into a standalone class since it depends on libphonenumber
29 */
30public class PhoneNumberHelper {
31    /**
32     * Given a phone number, get its national part without country code
33     *
34     * @param number the original number
35     * @param country the country ISO code
36     * @return the national number
37     */
38    static String getNumberNoCountryCode(final String number, final String country) {
39        if (!TextUtils.isEmpty(number)) {
40            final PhoneNumberUtil phoneNumberUtil = PhoneNumberUtil.getInstance();
41            try {
42                final Phonenumber.PhoneNumber phoneNumber = phoneNumberUtil.parse(number, country);
43                if (phoneNumber != null && phoneNumberUtil.isValidNumber(phoneNumber)) {
44                    return phoneNumberUtil
45                            .format(phoneNumber, PhoneNumberUtil.PhoneNumberFormat.NATIONAL)
46                            .replaceAll("\\D", "");
47                }
48            } catch (final NumberParseException e) {
49                Log.w(MmsService.TAG, "getNumberNoCountryCode: invalid number " + e);
50            }
51        }
52        return number;
53    }
54}
55