package com.xeiam.xchange.cexio.dto.trade;
import java.io.IOException;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.List;
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.ExchangeException;
import com.xeiam.xchange.cexio.dto.trade.CexIOOpenOrders.CexIOOpenOrdersDeserializer;
import com.xeiam.xchange.cexio.dto.trade.CexIOOrder.Type;
@JsonDeserialize(using = CexIOOpenOrdersDeserializer.class)
public class CexIOOpenOrders {
private final List<CexIOOrder> openOrders;
public CexIOOpenOrders(final List<CexIOOrder> openOrders) {
this.openOrders = openOrders;
}
public CexIOOpenOrders() {
this.openOrders = new ArrayList<CexIOOrder>();
}
public List<CexIOOrder> getOpenOrders() {
return openOrders;
}
public void addOpenOrders(final List<CexIOOrder> openOrders) {
this.openOrders.addAll(openOrders);
}
public void addOpenOrder(final CexIOOrder openOrder) {
this.openOrders.add(openOrder);
}
@Override
public String toString() {
return "CexIOOpenOrders [openOrders=" + openOrders + "]";
}
static class CexIOOpenOrdersDeserializer extends JsonDeserializer<CexIOOpenOrders> {
@Override
public CexIOOpenOrders deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException, JsonProcessingException {
final ObjectCodec oc = jp.getCodec();
final JsonNode openOrdersNode = oc.readTree(jp);
final JsonNode errorNode = openOrdersNode.path("error");
if (!errorNode.isMissingNode()) {
final String errorText = errorNode.asText();
if (errorText.equals("Invalid symbols pair")) {
return new CexIOOpenOrders();
}
else {
throw new ExchangeException("Unable to retrieve open orders because " + errorText);
}
}
final List<CexIOOrder> openOrders = new ArrayList<CexIOOrder>();
if (openOrdersNode.isArray()) {
for (JsonNode openOrderNode : openOrdersNode) {
final long id = openOrderNode.path("id").asLong();
final long time = openOrderNode.path("time").asLong();
final Type type = Type.valueOf(openOrderNode.path("type").asText());
final BigDecimal price = new BigDecimal(openOrderNode.path("price").asText());
final BigDecimal amount = new BigDecimal(openOrderNode.path("amount").asText());
final BigDecimal pending = new BigDecimal(openOrderNode.path("pending").asText());
openOrders.add(new CexIOOrder(id, time, type, price, amount, pending, null));
}
}
return new CexIOOpenOrders(openOrders);
}
}
}