@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Pair pair = (Pair) o;
return day.equals(pair.day) && unit.equals(pair.unit);
}
@Override
public Long toNonNullValue(Money value) {
if (!currencyUnit.equals(value.getCurrencyUnit())) {
throw new IllegalStateException(
"Expected currency "
+ currencyUnit.getCurrencyCode()
+ " but was "
+ value.getCurrencyUnit());
}
return value.getAmountMinorLong();
}
@Override
public void open(Serializable serializable) throws Exception {
if (null == serializable) {
logger.trace("Starting a new checkpoint");
checkpoint = new BasicBatchCheckpoint();
} else {
checkpoint = (BasicBatchCheckpoint) serializable;
logger.trace("Checkpoint available: {}", checkpoint);
}
CurrencyUnit fromCurrency = CurrencyUnit.of(from);
logger.trace("Building http client");
logger.trace("Listing currently registered currencies");
List<CurrencyUnit> registeredCurrencies = CurrencyUnit.registeredCurrencies();
StringBuilder conversionsToAsk = new StringBuilder();
int current = 0;
for (CurrencyUnit to : registeredCurrencies) {
if (fromCurrency.equals(to)) {
continue;
}
logger.debug("Would ask the provider from convert {} into {}", fromCurrency, to);
if (current > 0) {
conversionsToAsk.append("+");
}
conversionsToAsk.append(fromCurrency).append(to).append("=X");
current++;
}
String url = BASE_URL + conversionsToAsk.toString();
logger.trace("URL to call: {}", url);
logger.trace("Preparing reader");
reader = new BufferedReader(new InputStreamReader(new URL(url).openStream()));
}