package com.xeiam.xchange.kraken.dto.trade;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.ObjectCodec;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.xeiam.xchange.dto.Order.OrderType;
import com.xeiam.xchange.kraken.dto.trade.KrakenType.KrakenTypeDeserializer;
@JsonDeserialize(using = KrakenTypeDeserializer.class)
public enum KrakenType {
BUY, SELL;
@Override
public String toString() {
return super.toString().toLowerCase();
}
public static KrakenType fromString(final String typeString) {
return fromString.get(typeString.toLowerCase());
}
public static KrakenType fromOrderType(OrderType type) {
return type == OrderType.ASK ? KrakenType.SELL : KrakenType.BUY;
}
private static final Map<String, KrakenType> fromString = new HashMap<String, KrakenType>();
static {
for (KrakenType type : values())
fromString.put(type.toString(), type);
fromString.put("b", BUY);
fromString.put("s", SELL);
}
static class KrakenTypeDeserializer extends JsonDeserializer<KrakenType> {
@Override
public KrakenType deserialize(JsonParser jsonParser, DeserializationContext ctxt) throws IOException, JsonProcessingException {
ObjectCodec oc = jsonParser.getCodec();
JsonNode node = oc.readTree(jsonParser);
String typeString = node.textValue();
return fromString(typeString);
}
}
}