1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/task2/solution10/src/org/apidesign/apifest08/currency/CurrencyConversionException.java	Wed Oct 01 10:43:05 2008 +0200
     1.3 @@ -0,0 +1,42 @@
     1.4 +package org.apidesign.apifest08.currency;
     1.5 +
     1.6 +import java.util.*;
     1.7 +
     1.8 +/**
     1.9 + * Exception thrown in cases that a CurrencyConverter is unable ensure requested accuracy of conversion.
    1.10 + * Such situation may occur in cases that the client is not on-line, or the exchange rates are older than
    1.11 + * requested etc. This exception is defined as RuntimeException to enable simple usage in simple applications,
    1.12 + * but enable other applications to be informed about possible problems and prevent them from using
    1.13 + * inaccurate data.
    1.14 + */
    1.15 +public final class CurrencyConversionException extends RuntimeException {
    1.16 +
    1.17 +	private final Currency from;
    1.18 +	private final Currency to;
    1.19 +
    1.20 +	CurrencyConversionException(Currency from, Currency to) {
    1.21 +		this(from, to, (Throwable) null);
    1.22 +	}
    1.23 +
    1.24 +	CurrencyConversionException(Currency from, Currency to, Throwable throwable) {
    1.25 +		this(from, to, String.format("Failed to convert curency from %1$s to %2$s", from, to), throwable);
    1.26 +	}
    1.27 +
    1.28 +	CurrencyConversionException(Currency from, Currency to, String message) {
    1.29 +		this(from, to, message, null);
    1.30 +	}
    1.31 +
    1.32 +	CurrencyConversionException(Currency from, Currency to, String message, Throwable throwable) {
    1.33 +		super(message, throwable);
    1.34 +		this.from = from;
    1.35 +		this.to = to;
    1.36 +	}
    1.37 +
    1.38 +	public Currency getFromCurrency() {
    1.39 +		return from;
    1.40 +	}
    1.41 +
    1.42 +	public Currency getToCurrency() {
    1.43 +		return to;
    1.44 +	}
    1.45 +}