nz.co.jsrsolutions.ds3.provider.CMEEodDataProvider.java Source code

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Here is the source code for nz.co.jsrsolutions.ds3.provider.CMEEodDataProvider.java

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

/*
 * @(#)CMEEodDataProvider.java        
 *
 * Copyright (c) 2013 Argusat Limited
 * 10 Underwood Road, Southampton. UK
 * 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 Argusat Limited.
 */

package nz.co.jsrsolutions.ds3.provider;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Calendar;

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.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPClientConfig;
import org.apache.commons.net.ftp.FTPReply;
import org.apache.log4j.Logger;

public class CMEEodDataProvider implements EodDataProvider {

    private static final transient Logger _logger = Logger.getLogger(CMEEodDataProvider.class);

    private final String _hostname;

    private final String _basePath;

    private final CMEEodDataProviderExchangeDescriptor[] _descriptors;

    public CMEEodDataProvider(String hostname, String basePath, CMEEodDataProviderExchangeDescriptor[] descriptors)
            throws EodDataProviderException {

        _hostname = hostname;
        _basePath = basePath;
        _descriptors = descriptors;

        FTPClient ftp = new FTPClient();
        FTPClientConfig config = new FTPClientConfig();
        ftp.configure(config);
        boolean error = false;
        try {
            int reply;
            ftp.connect(_hostname);
            _logger.info("Connected to " + _hostname);
            _logger.info(ftp.getReplyString());

            // After connection attempt, you should check the reply code to
            // verify
            // success.
            reply = ftp.getReplyCode();

            if (!FTPReply.isPositiveCompletion(reply)) {
                ftp.disconnect();
                _logger.error("FTP server refused connection.");
                throw new EodDataProviderException("FTP server refused connection.");
            }

            boolean result = ftp.login("anonymous", "jsr@argusat.com");

            result = ftp.changeWorkingDirectory(_basePath);
            reply = ftp.getReplyCode();
            if (!FTPReply.isPositiveCompletion(reply)) {
                ftp.disconnect();
                _logger.error(reply);
                throw new EodDataProviderException("Failed to cd into " + _basePath);
            }

            for (CMEEodDataProviderExchangeDescriptor descriptor : _descriptors) {

                OutputStream output = new ByteArrayOutputStream();

                String modificationTime = ftp.getModificationTime(descriptor.getFilename());

                // 213 20131202235804\r\n

                result = ftp.retrieveFile(descriptor.getFilename(), output);

                output.close();
            }

            ftp.logout();
        } catch (IOException e) {
            error = true;
            e.printStackTrace();
        } finally {
            if (ftp.isConnected()) {
                try {
                    ftp.disconnect();
                } catch (IOException ioe) {
                    // do nothing
                }
            }
        }
    }

    @Override
    public EXCHANGE[] getExchanges() throws EodDataProviderException {

        for (CMEEodDataProviderExchangeDescriptor descriptor : _descriptors) {

        }
        EXCHANGE[] exchanges = new EXCHANGE[2];
        exchanges[0].setCode("COMEX");
        exchanges[0].setName("COMEX");
        exchanges[1].setCode("NYMEX");
        exchanges[1].setCode("NYMEX");

        return null;
    }

    @Override
    public int getExchangeMonths(String exchange) throws EodDataProviderException {
        // TODO Auto-generated method stub
        return 0;
    }

    @Override
    public SYMBOL[] getSymbols(String exchange) throws EodDataProviderException {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public QUOTE[] getQuotes(String exchange, String symbol, Calendar startCalendar, Calendar endCalendar,
            String period) throws EodDataProviderException {

        QUOTE quote = new QUOTE();
        // quote.

        return null;
    }

    @Override
    public QUOTE[] getQuotes(String exchange) throws EodDataProviderException {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public Range<Calendar> getExchangeDateRange(String exchange) throws EodDataProviderException {
        // TODO Auto-generated method stub
        return null;
    }

}