104 lines
3.6 KiB
Java
104 lines
3.6 KiB
Java
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.dialer.assisteddialing;
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import android.support.annotation.VisibleForTesting;
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import android.text.TextUtils;
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import android.util.ArraySet;
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import com.android.dialer.common.LogUtil;
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import com.android.dialer.configprovider.ConfigProvider;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Locale;
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import java.util.Set;
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import java.util.StringTokenizer;
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import java.util.stream.Collectors;
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/** A class to provide the appropriate country codes related to assisted dialing. */
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public final class CountryCodeProvider {
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// TODO(erfanian): Ensure the below standard is consistent between libphonenumber and the
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// platform.
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// ISO 3166-1 alpha-2 Country Codes that are eligible for assisted dialing.
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@VisibleForTesting
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static final List<String> DEFAULT_COUNTRY_CODES =
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Arrays.asList(
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"CA" /* Canada */,
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"GB" /* United Kingdom */,
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"JP" /* Japan */,
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"MX" /* Mexico */,
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"US" /* United States */);
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private final Set<String> supportedCountryCodes;
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CountryCodeProvider(ConfigProvider configProvider) {
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supportedCountryCodes =
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parseConfigProviderCountryCodes(
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configProvider.getString("assisted_dialing_csv_country_codes", ""))
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.stream()
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.map(v -> v.toUpperCase(Locale.US))
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.collect(Collectors.toCollection(ArraySet::new));
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LogUtil.i(
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"CountryCodeProvider.CountryCodeProvider", "Using country codes: " + supportedCountryCodes);
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}
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/** Checks whether a supplied country code is supported. */
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public boolean isSupportedCountryCode(String countryCode) {
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return supportedCountryCodes.contains(countryCode);
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}
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private List<String> parseConfigProviderCountryCodes(String configProviderCountryCodes) {
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if (TextUtils.isEmpty(configProviderCountryCodes)) {
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LogUtil.i(
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"Constraints.parseConfigProviderCountryCodes",
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"configProviderCountryCodes was empty, returning default");
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return DEFAULT_COUNTRY_CODES;
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}
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StringTokenizer tokenizer = new StringTokenizer(configProviderCountryCodes, ",");
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if (tokenizer.countTokens() < 1) {
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LogUtil.i(
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"Constraints.parseConfigProviderCountryCodes", "insufficient provided country codes");
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return DEFAULT_COUNTRY_CODES;
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}
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List<String> parsedCountryCodes = new ArrayList<>();
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while (tokenizer.hasMoreTokens()) {
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String foundLocale = tokenizer.nextToken();
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if (foundLocale == null) {
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LogUtil.i(
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"Constraints.parseConfigProviderCountryCodes",
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"Unexpected empty value, returning default.");
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return DEFAULT_COUNTRY_CODES;
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}
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if (foundLocale.length() != 2) {
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LogUtil.i(
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"Constraints.parseConfigProviderCountryCodes",
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"Unexpected locale %s, returning default",
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foundLocale);
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return DEFAULT_COUNTRY_CODES;
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}
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parsedCountryCodes.add(foundLocale);
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}
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return parsedCountryCodes;
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}
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}
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