/
MoneyFormatter.kt
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/
MoneyFormatter.kt
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/*
* Copyright 2018-2020 https://www.valiktor.org
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.valiktor.i18n.formatters
import org.joda.money.Money
import org.valiktor.i18n.Formatter
import org.valiktor.i18n.MessageBundle
import java.text.NumberFormat
import java.util.Currency
/**
* Represents the formatter for [Money] values
*
* @author Rodolpho S. Couto
* @since 0.6.0
*/
object MoneyFormatter : Formatter<Money> {
override fun format(value: Money, messageBundle: MessageBundle): String {
val bigNum = value.amount.stripTrailingZeros()
val integerDigits = (bigNum.precision() - bigNum.scale()).let { if (it <= 0) 1 else it }
val fractionDigits = bigNum.scale()
.let { if (it < 0) 0 else it }
.let { if (it < value.currencyUnit.decimalPlaces) value.currencyUnit.decimalPlaces else it }
val numberFormat = NumberFormat.getCurrencyInstance(messageBundle.locale)
numberFormat.currency = Currency.getInstance(value.currencyUnit.code)
numberFormat.minimumIntegerDigits = integerDigits
numberFormat.maximumIntegerDigits = integerDigits
numberFormat.minimumFractionDigits = fractionDigits
numberFormat.maximumFractionDigits = fractionDigits
return numberFormat.format(bigNum)
}
}