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package com.barchart.ondemand.api.responses;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

import com.fasterxml.jackson.annotation.JsonProperty;

public class FuturesSpecifications extends ResponseBase {

	@JsonProperty("results")
	private final List results = new ArrayList();

	public Collection all() {

		if (isEmpty()) {
			return new ArrayList();
		}

		return Collections.unmodifiableCollection(results);
	}

	public FuturesSpecification bySymbol(final String symbol) {
		if (symbol == null) {
			return null;
		}

		for (FuturesSpecification fh : all()) {
			if (fh.getSymbol() != null && fh.getSymbol().equalsIgnoreCase(symbol)) {
				return fh;
			}
		}

		return null;
	}

	public Collection byExchange(final String exchange) {
		if (exchange == null) {
			return null;
		}

		final Collection res = new ArrayList();

		if (isEmpty()) {
			return res;
		}

		for (FuturesSpecification fh : all()) {
			if (fh.getExchange() != null && fh.getExchange().equalsIgnoreCase(exchange)) {
				res.add(fh);
			}
		}

		return res;
	}

}