1/*
2 * Copyright (C) 2012 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 com.android.contacts.common;
18
19import android.app.Application;
20import android.content.Context;
21
22import com.android.contacts.common.location.CountryDetector;
23
24import com.google.i18n.phonenumbers.geocoding.PhoneNumberOfflineGeocoder;
25import com.google.i18n.phonenumbers.NumberParseException;
26import com.google.i18n.phonenumbers.PhoneNumberUtil;
27import com.google.i18n.phonenumbers.Phonenumber;
28
29import java.util.Locale;
30
31/**
32 * Static methods related to Geo.
33 */
34public class GeoUtil {
35
36    /**
37     * Returns the country code of the country the user is currently in. Before calling this
38     * method, make sure that {@link CountryDetector#initialize(Context)} has already been called
39     * in {@link Application#onCreate()}.
40     * @return The ISO 3166-1 two letters country code of the country the user
41     *         is in.
42     */
43    public static String getCurrentCountryIso(Context context) {
44        // The {@link CountryDetector} should never return null so this is safe to return as-is.
45        return CountryDetector.getInstance(context).getCurrentCountryIso();
46    }
47
48    public static String getGeocodedLocationFor(Context context,  String phoneNumber) {
49        final PhoneNumberOfflineGeocoder geocoder = PhoneNumberOfflineGeocoder.getInstance();
50        final PhoneNumberUtil phoneNumberUtil = PhoneNumberUtil.getInstance();
51        try {
52            final Phonenumber.PhoneNumber structuredPhoneNumber =
53                    phoneNumberUtil.parse(phoneNumber, getCurrentCountryIso(context));
54            final Locale locale = context.getResources().getConfiguration().locale;
55            return geocoder.getDescriptionForNumber(structuredPhoneNumber, locale);
56        } catch (NumberParseException e) {
57            return null;
58        }
59    }
60}
61