nz.co.jsrsolutions.ds3.command.GetExchangeSymbolQuotesCommand.java Source code

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Here is the source code for nz.co.jsrsolutions.ds3.command.GetExchangeSymbolQuotesCommand.java

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

/*
 * @(#)UpdateExchangeQuotesCommand.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.command;

import java.util.Calendar;

import nz.co.jsrsolutions.ds3.DataStub.QUOTE;
import nz.co.jsrsolutions.ds3.provider.EodDataProvider;
import nz.co.jsrsolutions.ds3.sink.EodDataSink;

import org.apache.commons.chain.Command;
import org.apache.commons.chain.Context;
import org.apache.log4j.Logger;

public class GetExchangeSymbolQuotesCommand implements Command {

    private static final String DEFAULT_FREQUENCY = new String("d");

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

    public GetExchangeSymbolQuotesCommand() {

    }

    public boolean execute(Context context) throws Exception {

        logger.info("Executing: getexchangesymbolquotes");

        EodDataProvider eodDataProvider = (EodDataProvider) context.get(CommandContext.EODDATAPROVIDER_KEY);
        EodDataSink eodDataSink = (EodDataSink) context.get(CommandContext.EODDATASINK_KEY);
        String exchange = (String) context.get(CommandContext.EXCHANGE_KEY);
        String symbol = (String) context.get(CommandContext.SYMBOL_KEY);

        if (exchange == null) {
            throw new CommandException("Must supply --exchange [exchangecode]");
        }

        if (symbol == null) {
            throw new CommandException("Must supply --symbol [symbolcode]");
        }

        @SuppressWarnings("unused")
        long nQuotesWritten = 0;

        final int availableMonths = eodDataProvider.getExchangeMonths(exchange);
        // final SYMBOL[] symbols = eodDataProvider.getSymbols(exchange);
        final String[] symbols = eodDataSink.readExchangeSymbols(exchange);

        if (symbols == null) {
            logger.info("No symbols associated with this exchange...");
            return false;
        }

        final Calendar firstAvailableDateTime = Calendar.getInstance();

        if (availableMonths > 0) {
            firstAvailableDateTime.add(Calendar.MONTH, -1 * 1);
            firstAvailableDateTime.add(Calendar.DATE, 1);
        }

        final Calendar plusOneDay = (Calendar) firstAvailableDateTime.clone();
        plusOneDay.add(Calendar.DAY_OF_MONTH, 1);

        if (logger.isInfoEnabled()) {

            StringBuffer logMessageBuffer = new StringBuffer();
            logMessageBuffer.setLength(0);
            logMessageBuffer.append(" Attempting to retrieve quotes on [ ");
            logMessageBuffer.append(exchange);
            logMessageBuffer.append(" ] for [ ");
            logMessageBuffer.append(symbol);
            logMessageBuffer.append(" ] between [ ");
            logMessageBuffer.append(firstAvailableDateTime.getTime().toString());
            logMessageBuffer.append(" ] and [ ");
            logMessageBuffer.append(plusOneDay.getTime().toString());
            logMessageBuffer.append(" ] ");
            logger.info(logMessageBuffer.toString());

        }

        final QUOTE[] quotes = eodDataProvider.getQuotes(exchange, symbol, firstAvailableDateTime, plusOneDay,
                DEFAULT_FREQUENCY);

        if (quotes == null || quotes.length == 0) {
            logger.info("Quote array from provider was empty!");
            return false;
        }

        for (QUOTE quote : quotes) {
            StringBuffer logMessageBuffer = new StringBuffer();
            logMessageBuffer.append("Quote date: [ ");
            logMessageBuffer.append(quote.getDateTime().getTime().toString());
            logMessageBuffer.append(" ]");
            logger.info(logMessageBuffer.toString());

        }

        return false;

    }
}