CCEXPrice.java

package org.knowm.xchange.ccex.dto.ticker;

import java.io.IOException;
import java.math.BigDecimal;

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 org.knowm.xchange.ccex.dto.ticker.CCEXPrice.CCEXPriceDeserializer;

@JsonDeserialize(using = CCEXPriceDeserializer.class)
public class CCEXPrice {

	private final BigDecimal high;
	private final BigDecimal low;
	private final BigDecimal avg;
	private final BigDecimal lastbuy;
	private final BigDecimal lastsell;
	private final BigDecimal buy;
	private final BigDecimal sell;
	private final BigDecimal lastprice;
	private final int updated;

	private CCEXPrice(BigDecimal high, BigDecimal low, BigDecimal avg, BigDecimal lastbuy, BigDecimal lastsell,
			BigDecimal buy, BigDecimal sell, BigDecimal lastprice, int updated) {

		this.high = high;
		this.low = low;
		this.avg = avg;
		this.lastbuy = lastbuy;
		this.lastsell = lastsell;
		this.buy = buy;
		this.sell = sell;
		this.lastprice = lastprice;
		this.updated = updated;

	}

	public BigDecimal getHigh() {
		return high;
	}

	public BigDecimal getLow() {
		return low;
	}

	public BigDecimal getAvg() {
		return avg;
	}

	public BigDecimal getLastbuy() {
		return lastbuy;
	}

	public BigDecimal getLastsell() {
		return lastsell;
	}

	public BigDecimal getBuy() {
		return buy;
	}

	public BigDecimal getSell() {
		return sell;
	}

	public BigDecimal getLastprice() {
		return lastprice;
	}

	public int getUpdated() {
		return updated;
	}

	@Override
	public String toString() {
		return "CCEXPrice [high=" + high + ", low=" + low + ", avg=" + avg + ", lastbuy=" + lastbuy + ", lastsell="
				+ lastsell + ", buy=" + buy + ", sell=" + sell + ", lastprice=" + lastprice + ", updated=" + updated
				+ "]";
	}

	static class CCEXPriceDeserializer extends JsonDeserializer<CCEXPrice> {

		private static BigDecimal getNumberIfPresent(JsonNode numberNode) {

			final String numberString = numberNode.asText();
			return numberString.isEmpty() ? null : new BigDecimal(numberString);
		}

		public static CCEXPrice deserializeFromNode(JsonNode tickerNode) {

			final BigDecimal high = getNumberIfPresent(tickerNode.path("high"));
			final BigDecimal low = getNumberIfPresent(tickerNode.path("low"));
			final BigDecimal avg = getNumberIfPresent(tickerNode.path("avg"));
			final BigDecimal lastbuy = getNumberIfPresent(tickerNode.path("lastbuy"));
			final BigDecimal lastsell = getNumberIfPresent(tickerNode.path("lastsell"));
			final BigDecimal buy = getNumberIfPresent(tickerNode.path("buy"));
			final BigDecimal sell = getNumberIfPresent(tickerNode.path("sell"));
			final BigDecimal lastprice = getNumberIfPresent(tickerNode.path("lastprice"));
			final int updated = tickerNode.path("updated").asInt();

			return new CCEXPrice(high, low, avg, lastbuy, lastsell, buy, sell, lastprice, updated);
		}

		@Override
		public CCEXPrice deserialize(JsonParser jp, DeserializationContext ctxt)
				throws IOException, JsonProcessingException {

			final ObjectCodec oc = jp.getCodec();
			final JsonNode tickerNode = oc.readTree(jp);

			return deserializeFromNode(tickerNode);
		}

	}
}