53 lines
1.4 KiB
Kotlin
53 lines
1.4 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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* Key is the currency
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* Value is the rate
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*/
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private val config = mutableMapOf<String, Double>()
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fun parse(config: String): Map<String, Double> {
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val result = mutableMapOf<String, Double>()
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val rates = config.split(SPLIT_ORD_1)
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/**
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* USD=1
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* KHR=4000
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* EUR=0.99
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*
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* USD -> currency
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* 1 -> value
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*/
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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]
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val value = temp[1].toDouble()
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result.put(currency.toUpperCase(), value)
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} else {
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throw IllegalArgumentException("invalid value!")
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}
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}
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// if you want to use all set currencies without remove from memory, we should remove this line
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this.config.clear()
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this.config.putAll(result)
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return result
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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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fun getRate(currency: String): Double {
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return getConfig()[currency.toUpperCase()] ?: throw IllegalArgumentException("currency not found")
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}
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} |