| // © 2017 and later: Unicode, Inc. and others. |
| // License & terms of use: http://www.unicode.org/copyright.html#License |
| package com.ibm.icu.number; |
| |
| import com.ibm.icu.util.Currency; |
| |
| /** |
| * A class that defines a rounding strategy parameterized by a currency to be used when formatting |
| * numbers in NumberFormatter. |
| * |
| * <p> |
| * To create a CurrencyPrecision, use one of the factory methods on Precision. |
| * |
| * @stable ICU 60 |
| * @see NumberFormatter |
| */ |
| public abstract class CurrencyPrecision extends Precision { |
| |
| /* package-private */ CurrencyPrecision() { |
| } |
| |
| /** |
| * Associates a currency with this rounding strategy. |
| * |
| * <p> |
| * <strong>Calling this method is <em>not required</em></strong>, because the currency specified in |
| * unit() or via a CurrencyAmount passed into format(Measure) is automatically applied to currency |
| * rounding strategies. However, this method enables you to override that automatic association. |
| * |
| * <p> |
| * This method also enables numbers to be formatted using currency rounding rules without explicitly |
| * using a currency format. |
| * |
| * @param currency |
| * The currency to associate with this rounding strategy. |
| * @return A Precision for chaining or passing to the NumberFormatter rounding() setter. |
| * @throws IllegalArgumentException for null Currency |
| * @stable ICU 60 |
| * @see NumberFormatter |
| */ |
| public Precision withCurrency(Currency currency) { |
| if (currency != null) { |
| return constructFromCurrency(this, currency); |
| } else { |
| throw new IllegalArgumentException("Currency must not be null"); |
| } |
| }; |
| } |