nz.co.jsrsolutions.ds3.sink.CsvEodDataSink.java Source code

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Here is the source code for nz.co.jsrsolutions.ds3.sink.CsvEodDataSink.java

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/* -*- mode: java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/*
 * @(#)CsvEodDataSink.java        
 *
 * Copyright (c) 2012 JSR Solutions Limited
 * 4 Viridian Lane, Auckland, 0632.  New Zealand
 * All rights reserved.
 *
 * This software is the confidential and proprietary information of JSR
 * Solutions Limited. ("Confidential Information").  You shall not
 * disclose such Confidential Information and shall use it only in
 * accordance with the terms of the license agreement you entered into
 * with JSR Solutions Limited.
 */

package nz.co.jsrsolutions.ds3.sink;

import java.io.BufferedWriter;
import java.io.FileWriter;
import java.util.Calendar;

import nz.co.jsrsolutions.ds3.DataStub;
import nz.co.jsrsolutions.ds3.DataStub.EXCHANGE;
import nz.co.jsrsolutions.ds3.DataStub.QUOTE;
import nz.co.jsrsolutions.ds3.DataStub.SYMBOL;
import nz.co.jsrsolutions.util.Range;

import org.apache.commons.lang.NotImplementedException;
import org.apache.log4j.Logger;

class CsvEodDataSink implements EodDataSink {

    private static final transient Logger logger = Logger.getLogger(CsvEodDataSink.class);

    CsvEodDataSink() {

    }

    public void updateExchanges(EXCHANGE[] exchanges) throws EodDataSinkException {

        throw new NotImplementedException();

    }

    public void updateExchangeSymbols(String exchange, SYMBOL[] symbols) throws EodDataSinkException {

        throw new NotImplementedException();

    }

    public void updateExchangeSymbolQuotes(String exchange, String symbol, QUOTE[] quotes)
            throws EodDataSinkException {

        try {

            StringBuffer filenameBuf = new StringBuffer();
            filenameBuf.append("/data/eoddata/");
            filenameBuf.append(exchange);
            filenameBuf.append("/");
            filenameBuf.append(symbol);
            filenameBuf.append("/");
            filenameBuf.append(exchange);
            filenameBuf.append(".");
            filenameBuf.append(symbol);
            //      filenameBuf.append(".");
            //      filenameBuf.append(startDate);
            //      filenameBuf.append("-");
            //      filenameBuf.append(endDate);
            //      filenameBuf.append(".");
            //      filenameBuf.append(period);
            filenameBuf.append(".csv");

            String filename = new String(filenameBuf.toString());

            StringBuffer infoMessage = new StringBuffer();
            infoMessage.append("Writing output to: [ ");
            infoMessage.append(filename);
            infoMessage.append(" ] ");
            logger.info(infoMessage.toString());

            FileWriter fileWriter = new FileWriter(filenameBuf.toString());
            BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);

            for (DataStub.QUOTE quote : quotes) {

                Calendar calendar = quote.getDateTime();
                bufferedWriter.append(Integer.toString(calendar.get(Calendar.YEAR)));
                bufferedWriter.append(String.format("%02d", calendar.get(Calendar.MONTH)));
                bufferedWriter.append(String.format("%02d", calendar.get(Calendar.DAY_OF_MONTH)));
                bufferedWriter.append(",");
                bufferedWriter.append(Double.toString(quote.getClose()));
                bufferedWriter.newLine();

            }

            bufferedWriter.close();

        } catch (java.io.IOException ioe) {

            logger.error(ioe.toString());
            EodDataSinkException edpe = new EodDataSinkException("Unable to set symbols");
            edpe.initCause(ioe);

            throw edpe;

        }
    }

    public void close() {

    }

    public String[] readExchangeSymbols(String exchange) throws EodDataSinkException {
        throw new NotImplementedException();
    }

    public Range<Calendar> readExchangeSymbolDateRange(String exchange, String symbol) {
        throw new NotImplementedException();
    }

}