55 lines
1.6 KiB
Kotlin
55 lines
1.6 KiB
Kotlin
package com.cubetiqs.libra.moneyutils
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/**
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* Default money config in static object.
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*
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* @author sombochea
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* @since 1.0
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*/
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object MoneyConfig {
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private const val SPLIT_ORD_1 = ','
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private const val SPLIT_ORD_2 = '='
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/**
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* All money currencies and its rate are stored in memory state for exchange or compute the value.
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*
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* Key is the currency
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* Value is the rate
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*/
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private val config: MutableMap<String, Double> = mutableMapOf()
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/**
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* Parse the config string to currency's map within rates
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* Key is money's currency (String)
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* Value is money's value (Double)
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*/
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fun parse(config: String, clearAllStates: Boolean = true) {
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if (clearAllStates) {
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this.config.clear()
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}
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val rates = config.split(SPLIT_ORD_1)
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rates.map { i ->
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val temp = i.split(SPLIT_ORD_2)
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if (temp.size == 2) {
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val currency = temp[0].toUpperCase()
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val value = temp[1].toDouble()
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if (this.config.containsKey(currency)) {
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this.config.replace(currency, value)
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} else {
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this.config.put(currency, value)
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}
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} else {
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throw MoneyCurrencyStateException("money config format is not valid!")
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}
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}
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}
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// all currencies with its rate
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fun getConfig() = this.config
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@Throws(MoneyCurrencyStateException::class)
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fun getRate(currency: String): Double {
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return getConfig()[currency.toUpperCase()]
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?: throw MoneyCurrencyStateException("money currency $currency is not valid!")
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}
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} |