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• 4.2.57
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• EntryBar.java

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com.barchart.feed.ddf.historical.provider.EntryBar Maven / Gradle / Ivy

/**
 * Copyright (C) 2011-2012 Barchart, Inc. 
 *
 * All rights reserved. Licensed under the OSI BSD License.
 *
 * http://www.opensource.org/licenses/bsd-license.php
 */
package com.barchart.feed.ddf.historical.provider;

import static com.barchart.feed.ddf.historical.provider.CodecHelper.decodeInt;
import static com.barchart.feed.ddf.historical.provider.CodecHelper.decodeLong;
import static com.barchart.feed.ddf.historical.provider.CodecHelper.decodeMantissa;
import static com.barchart.feed.ddf.historical.provider.CodecHelper.decodeMinsTime;
import static com.barchart.feed.ddf.historical.provider.CodecHelper.encodeLong;
import static com.barchart.feed.ddf.historical.provider.CodecHelper.encodeMantissa;
import static com.barchart.feed.ddf.historical.provider.CodecHelper.encodeMinsTime;
import static com.barchart.feed.ddf.historical.provider.CodecHelper.splitCSV;

import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;

import com.barchart.feed.api.model.meta.Instrument;
import com.barchart.feed.ddf.historical.api.DDF_EntryBar;
import com.barchart.feed.ddf.message.enums.DDF_TradeDay;
import com.barchart.util.common.ascii.ASCII;

// TODO: Auto-generated Javadoc
abstract class EntryBar extends Entry implements DDF_EntryBar {

	/**
	 * Instantiates a new entry bar.
	 *
	 * @param instrument the instrument
	 */
	public EntryBar(final Instrument instrument) {
		super(instrument);
	}

	// ///////////////////////////

	//

	protected long priceOpenMantissa;
	protected long priceHighMantissa;
	protected long priceLowMantissa;
	protected long priceCloseMantissa;

	protected long sizeVolume;

	// ///////////////////////////

	/* (non-Javadoc)
	 * @see com.barchart.feed.ddf.historical.api.DDF_EntryBar#priceCloseMantissa()
	 */
	@Override
	public long priceCloseMantissa() {
		return priceCloseMantissa;
	}

	/* (non-Javadoc)
	 * @see com.barchart.feed.ddf.historical.api.DDF_EntryBar#priceHighMantissa()
	 */
	@Override
	public long priceHighMantissa() {
		return priceHighMantissa;
	}

	/* (non-Javadoc)
	 * @see com.barchart.feed.ddf.historical.api.DDF_EntryBar#priceLowMantissa()
	 */
	@Override
	public long priceLowMantissa() {
		return priceLowMantissa;
	}

	/* (non-Javadoc)
	 * @see com.barchart.feed.ddf.historical.api.DDF_EntryBar#priceOpenMantissa()
	 */
	@Override
	public long priceOpenMantissa() {
		return priceOpenMantissa;
	}

	/* (non-Javadoc)
	 * @see com.barchart.feed.ddf.historical.api.DDF_EntryBar#sizeVolume()
	 */
	@Override
	public long sizeVolume() {
		return sizeVolume;
	}

	//

	/**
	 * YYYY­MM­DD HH:MM,TRADING_DAY,
	 * 
	 * OPEN,HIGH,LOW,CLOSE,VOLUME.
	 *
	 * @param inputLine the input line
	 */
	@Override
	public void decode(final String inputLine) {

		if (inputLine == null) {
			return;
		}

		final String[] inputArray = splitCSV(inputLine);

		millisUTC = decodeMinsTime(inputArray[0], inst);

		ordTradeDay = DDF_TradeDay.fromDay(decodeInt(inputArray[1])).ord;

		priceOpenMantissa = decodeMantissa(inputArray[2], priceExponent());
		priceHighMantissa = decodeMantissa(inputArray[3], priceExponent());
		priceLowMantissa = decodeMantissa(inputArray[4], priceExponent());
		priceCloseMantissa = decodeMantissa(inputArray[5], priceExponent());

		sizeVolume = decodeLong(inputArray[6]);

	}

	/* (non-Javadoc)
	 * @see com.barchart.feed.ddf.historical.provider.Entry#encode()
	 */
	@Override
	public String encode() {

		final StringBuilder text = new StringBuilder(128);

		text.append(encodeMinsTime(millisUTC, inst));
		text.append(ASCII.STRING_COMMA);

		text.append((char) getTradeDay().code);
		text.append(ASCII.STRING_COMMA);

		text.append(encodeMantissa(priceOpenMantissa, priceExponent()));
		text.append(ASCII.STRING_COMMA);
		text.append(encodeMantissa(priceHighMantissa, priceExponent()));
		text.append(ASCII.STRING_COMMA);
		text.append(encodeMantissa(priceLowMantissa, priceExponent()));
		text.append(ASCII.STRING_COMMA);
		text.append(encodeMantissa(priceCloseMantissa, priceExponent()));
		text.append(ASCII.STRING_COMMA);

		text.append(encodeLong(sizeVolume));

		return text.toString();

	}

	//

	static final String HEADER = "INDEX,SYMBOL,MILLIS_UTC,DATE_TIME_ISO,TRADE_DAY,"
			+ "PRICE_OPEN,PRICE_HIGH,PRICE_LOW,PRICE_CLOSE," + "SIZE_VOLUME";

	/* (non-Javadoc)
	 * @see com.barchart.feed.ddf.historical.provider.Entry#csvHeader()
	 */
	@Override
	public String csvHeader() {
		return HEADER;
	}

	/* (non-Javadoc)
	 * @see com.barchart.feed.ddf.historical.provider.Entry#csvEntry()
	 */
	@Override
	public String csvEntry() {

		final StringBuilder text = new StringBuilder(128);

		text.append(index);
		text.append(ASCII.STRING_COMMA);

		text.append(inst.symbol());
		text.append(ASCII.STRING_COMMA);

		text.append(millisUTC);
		text.append(ASCII.STRING_COMMA);

		text.append(new DateTime(millisUTC, 
				DateTimeZone.forOffsetMillis((int)inst.timeZoneOffset())));
		text.append(ASCII.STRING_COMMA);

		text.append(getTradeDay());
		text.append(ASCII.STRING_COMMA);

		text.append(encodeMantissa(priceOpenMantissa, priceExponent()));
		text.append(ASCII.STRING_COMMA);

		text.append(encodeMantissa(priceHighMantissa, priceExponent()));
		text.append(ASCII.STRING_COMMA);

		text.append(encodeMantissa(priceLowMantissa, priceExponent()));
		text.append(ASCII.STRING_COMMA);

		text.append(encodeMantissa(priceCloseMantissa, priceExponent()));
		text.append(ASCII.STRING_COMMA);

		text.append(encodeLong(sizeVolume));

		return text.toString();

	}
}