package com.coinbase.api.deserializer;
import java.io.IOException;
import java.math.BigDecimal;
import org.joda.money.CurrencyUnit;
import org.joda.money.Money;
import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.ObjectCodec;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
public class MoneyDeserializer extends StdDeserializer<Money> {
public MoneyDeserializer() {
super(Money.class);
}
@Override
public Money deserialize(JsonParser jsonParser, DeserializationContext deserializationContext)
throws IOException {
Money result = null;
ObjectCodec oc = jsonParser.getCodec();
JsonNode node = oc.readTree(jsonParser);
String currency = null;
String amount = null;
Long cents = null;
if (node.has("currency")) {
currency = node.get("currency").textValue();
} else if (node.has("currency_iso")) {
currency = node.get("currency_iso").textValue();
}
if (node.has("amount")) {
amount = node.get("amount").textValue();
} else if (node.has("cents")) {
cents = node.get("cents").longValue();
}
if (currency == null || (amount == null && cents == null)) {
throw new JsonParseException("Wrong format for Money", jsonParser.getCurrentLocation());
}
try {
if (amount != null) {
result = Money.of(CurrencyUnit.of(currency), new BigDecimal(amount));
} else {
result = Money.ofMinor(CurrencyUnit.of(currency), cents);
}
} catch (Exception ex) {
throw new JsonParseException("Could not construct Money from arguments",
jsonParser.getCurrentLocation(), ex);
}
return result;
}
}