net.sourceforge.eclipsetrader.borsaitalia.HistoryFeed.java Source code

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Here is the source code for net.sourceforge.eclipsetrader.borsaitalia.HistoryFeed.java

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/*
 * Copyright (c) 2004-2007 Marco Maccaferri and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Marco Maccaferri - initial API and implementation
 */

package net.sourceforge.eclipsetrader.borsaitalia;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.text.SimpleDateFormat;
import java.util.Calendar;

import net.sourceforge.eclipsetrader.core.CorePlugin;
import net.sourceforge.eclipsetrader.core.IHistoryFeed;
import net.sourceforge.eclipsetrader.core.db.Bar;
import net.sourceforge.eclipsetrader.core.db.History;
import net.sourceforge.eclipsetrader.core.db.Security;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.UsernamePasswordCredentials;
import org.apache.commons.httpclient.auth.AuthScope;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.eclipse.core.net.proxy.IProxyData;
import org.eclipse.core.net.proxy.IProxyService;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;

public class HistoryFeed implements IHistoryFeed {
    public static final String PLUGIN_ID = "net.sourceforge.eclipsetrader.borsaitalia"; //$NON-NLS-1$

    private SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss"); //$NON-NLS-1$

    private Log log = LogFactory.getLog(getClass());

    public HistoryFeed() {
    }

    /* (non-Javadoc)
     * @see net.sourceforge.eclipsetrader.core.IHistoryFeed#updateHistory(net.sourceforge.eclipsetrader.core.db.Security, int)
     */
    public void updateHistory(Security security, int interval) {
        History history = null;
        Calendar from = Calendar.getInstance();
        from.set(Calendar.MILLISECOND, 0);

        if (interval < IHistoryFeed.INTERVAL_DAILY) {
            history = security.getIntradayHistory();
            from.set(Calendar.HOUR_OF_DAY, 0);
            from.set(Calendar.MINUTE, 0);
            from.set(Calendar.SECOND, 0);
            log.info("Updating intraday data for " + security.getCode() + " - " + security.getDescription()); //$NON-NLS-1$ //$NON-NLS-2$
        } else {
            history = security.getHistory();
            if (history.size() == 0)
                from.add(Calendar.YEAR, -CorePlugin.getDefault().getPreferenceStore()
                        .getInt(CorePlugin.PREFS_HISTORICAL_PRICE_RANGE));
            else {
                Bar cd = history.getLast();
                from.setTime(cd.getDate());
                from.add(Calendar.DATE, 1);
            }
            log.info("Updating historical data for " + security.getCode() + " - " + security.getDescription()); //$NON-NLS-1$ //$NON-NLS-2$
        }

        String symbol = null;
        if (security.getHistoryFeed() != null)
            symbol = security.getHistoryFeed().getSymbol();
        if (symbol == null || symbol.length() == 0)
            symbol = security.getCode();

        String code = security.getCode();
        if (code.indexOf('.') != -1)
            code = code.substring(0, code.indexOf('.'));

        try {
            String host = "194.185.192.223"; // "grafici.borsaitalia.it";
            StringBuffer url = new StringBuffer(
                    "http://" + host + "/scripts/cligipsw.dll?app=tic_d&action=dwnld4push&cod=" + code + "&codneb=" //$NON-NLS-1$//$NON-NLS-2$
                            + symbol + "&req_type=GRAF_DS&ascii=1&form_id=");
            if (interval < IHistoryFeed.INTERVAL_DAILY)
                url.append("&period=1MIN"); //$NON-NLS-1$
            else {
                url.append("&period=1DAY"); //$NON-NLS-1$
                url.append("&From=" + df.format(from.getTime())); //$NON-NLS-1$
            }
            log.debug(url);

            HttpClient client = new HttpClient();
            client.getHttpConnectionManager().getParams().setConnectionTimeout(5000);

            BundleContext context = BorsaitaliaPlugin.getDefault().getBundle().getBundleContext();
            ServiceReference reference = context.getServiceReference(IProxyService.class.getName());
            if (reference != null) {
                IProxyService proxy = (IProxyService) context.getService(reference);
                IProxyData data = proxy.getProxyDataForHost(host, IProxyData.HTTP_PROXY_TYPE);
                if (data != null) {
                    if (data.getHost() != null)
                        client.getHostConfiguration().setProxy(data.getHost(), data.getPort());
                    if (data.isRequiresAuthentication())
                        client.getState().setProxyCredentials(AuthScope.ANY,
                                new UsernamePasswordCredentials(data.getUserId(), data.getPassword()));
                }
            }

            HttpMethod method = new GetMethod(url.toString());
            method.setFollowRedirects(true);
            client.executeMethod(method);

            BufferedReader in = new BufferedReader(new InputStreamReader(method.getResponseBodyAsStream()));

            // The first line is the header, ignoring
            String inputLine = in.readLine();
            log.trace(inputLine);

            while ((inputLine = in.readLine()) != null) {
                log.trace(inputLine);
                if (inputLine.startsWith("@") == true || inputLine.length() == 0) //$NON-NLS-1$
                    continue;
                String[] item = inputLine.split("\\|"); //$NON-NLS-1$

                Bar bar = new Bar();
                bar.setDate(df.parse(item[0]));
                bar.setOpen(Double.parseDouble(item[1]));
                bar.setHigh(Double.parseDouble(item[2]));
                bar.setLow(Double.parseDouble(item[3]));
                bar.setClose(Double.parseDouble(item[4]));
                bar.setVolume((long) Double.parseDouble(item[5]));

                // Remove the old bar, if exists
                int index = history.indexOf(bar.getDate());
                if (index != -1)
                    history.remove(index);

                history.add(bar);
            }

            in.close();

        } catch (Exception e) {
            CorePlugin.logException(e);
        }

        CorePlugin.getRepository().save(history);
    }
}