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/*
* This file is part of GNU Taler
* (C) 2020 Taler Systems S.A.
*
* GNU Taler is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 3, or (at your option) any later version.
*
* GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
package net.taler.common
import androidx.annotation.RequiresApi
import androidx.core.os.LocaleListCompat
import java.util.*
import kotlin.collections.ArrayList
object TalerUtils {
@RequiresApi(26)
fun getLocalizedString(map: Map<String, String>?, default: String): String {
// just return the default, if it is the only element
if (map == null) return default
// create a priority list of language ranges from system locales
val locales = LocaleListCompat.getDefault()
val priorityList = ArrayList<Locale.LanguageRange>(locales.size())
for (i in 0 until locales.size()) {
priorityList.add(Locale.LanguageRange(locales[i].toLanguageTag()))
}
// create a list of locales available in the given map
val availableLocales = map.keys.mapNotNull {
if (it == "_") return@mapNotNull null
val list = it.split("_")
when (list.size) {
1 -> Locale(list[0])
2 -> Locale(list[0], list[1])
3 -> Locale(list[0], list[1], list[2])
else -> null
}
}
val match = Locale.lookup(priorityList, availableLocales)
return match?.toString()?.let { map[it] } ?: default
}
}
/**
* Returns the current time in milliseconds epoch rounded to nearest seconds.
*/
fun now(): Long {
return ((System.currentTimeMillis() + 500) / 1000) * 1000
}
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