53 lines
1.4 KiB
Java
53 lines
1.4 KiB
Java
package org.thoughtcrime.securesms.util.dynamiclanguage;
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import android.content.res.Configuration;
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import android.content.res.Resources;
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import android.support.annotation.Nullable;
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import android.support.v4.os.ConfigurationCompat;
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import org.thoughtcrime.securesms.BuildConfig;
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import java.util.Arrays;
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import java.util.Locale;
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final class LocaleParser {
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private LocaleParser() {
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}
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/**
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* Given a language, gets the best choice from the apps list of supported languages and the
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* Systems set of languages.
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*/
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static Locale findBestMatchingLocaleForLanguage(@Nullable String language) {
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final Locale locale = LanguageString.parseLocale(language);
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if (appSupportsTheExactLocale(locale)) {
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return locale;
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} else {
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return findBestSystemLocale();
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}
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}
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private static boolean appSupportsTheExactLocale(@Nullable Locale locale) {
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if (locale == null) {
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return false;
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}
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return Arrays.asList(BuildConfig.LANGUAGES).contains(locale.toString());
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}
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/**
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* Get the first preferred language the app supports.
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*/
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private static Locale findBestSystemLocale() {
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final Configuration config = Resources.getSystem().getConfiguration();
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final Locale firstMatch = ConfigurationCompat.getLocales(config)
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.getFirstMatch(BuildConfig.LANGUAGES);
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if (firstMatch != null) {
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return firstMatch;
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}
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return Locale.ENGLISH;
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}
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}
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