61 lines
1.7 KiB
Kotlin
61 lines
1.7 KiB
Kotlin
package com.cubetiqs.money
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import java.text.DecimalFormat
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import java.lang.StringBuilder
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import java.math.RoundingMode
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/**
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* Java Decimal utils
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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 DecimalUtils {
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private const val DECIMAL_PATTERN = "#.##"
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private const val ROUNDING_DECIMAL_PATTERN = "##0"
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fun toStringDecimal(value: Number?, pattern: String?): String {
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var _pattern = pattern
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if (_pattern == null || _pattern.isEmpty()) {
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_pattern = DECIMAL_PATTERN
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}
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return DecimalFormat(_pattern).format(value)
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}
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fun toStringDecimal(value: Number?, pattern: String?, roundingMode: RoundingMode?): String {
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var _pattern = pattern
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if (_pattern == null || _pattern.isEmpty()) {
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_pattern = DECIMAL_PATTERN
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}
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if (roundingMode == null) {
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return toStringDecimal(value, _pattern)
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}
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val formatter = DecimalFormat(_pattern)
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formatter.roundingMode = roundingMode
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return formatter.format(value)
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}
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fun toDecimalPrecision(value: Number?, precision: Int? = null, roundingMode: RoundingMode? = null): String? {
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var _precision = precision ?: -1
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if (value == null) {
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return null
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}
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val pattern = StringBuilder(ROUNDING_DECIMAL_PATTERN)
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if (_precision > 0) {
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pattern.append(".")
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}
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while (_precision > 0) {
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pattern.append("0")
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_precision--
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}
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val decimalFormat = DecimalFormat(pattern.toString())
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if (roundingMode != null) {
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decimalFormat.roundingMode = roundingMode
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}
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return decimalFormat.format(value)
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}
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} |