com.barchart.feed.ddf.historical.provider.EntryTicksTrend.java Source code

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Here is the source code for com.barchart.feed.ddf.historical.provider.EntryTicksTrend.java

Source

/**
 * Copyright (C) 2011-2012 Barchart, Inc. <http://www.barchart.com/>
 *
 * 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.decodeMantissa;
import static com.barchart.feed.ddf.historical.provider.CodecHelper.encodeMantissa;
import static com.barchart.feed.ddf.historical.provider.CodecHelper.encodeTicksTime;

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_EntryTrend;
import com.barchart.util.common.ascii.ASCII;

// TODO: Auto-generated Javadoc
class EntryTicksTrend extends EntryTicks implements DDF_EntryTrend {

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

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

    protected long priceResistance;
    protected long priceSupport;

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

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

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

    /**
     * YYYYMMDDHH:MM:SS.FFF,TRADING_DAY,SESSION_CODE,
     * 
     * PRICE_SUPPORT,PRICE_RESISTANCE
     *
     * @param inputArray the input array
     */
    @Override
    public void decodeTail(final String[] inputArray) {

        priceSupport = decodeMantissa(inputArray[3], priceExponent());

        priceResistance = decodeMantissa(inputArray[4], priceExponent());

    }

    //

    static final String HEADER = "INDEX,SYMBOL,MILLIS_UTC,DATE_TIME_ISO,TRADE_DAY,TRADE_SESSION,"
            + "PRICE_SUPPORT,PRICE_RESISTANCE";

    /* (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(getSession());
        text.append(ASCII.STRING_COMMA);

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

        text.append(encodeMantissa(priceResistance(), priceExponent()));

        return text.toString();

    }

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

        final StringBuilder text = new StringBuilder(128);

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

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

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

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

        text.append(encodeMantissa(priceResistance(), priceExponent()));

        return text.toString();

    }

}