/**
* The MIT License (MIT)
*
* Copyright (c) 2014-2017 Marc de Verdelhan & respective authors (see AUTHORS)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package ta4jexamples.loaders;
import au.com.bytecode.opencsv.CSVReader;
import eu.verdelhan.ta4j.TimeSeries;
import eu.verdelhan.ta4j.Tick;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.Charset;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.joda.time.DateTime;
/**
* This class build a Ta4j time series from a CSV file containing ticks.
*/
public class CsvTicksLoader {
private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd");
/**
* @return a time series from Apple Inc. ticks.
*/
public static TimeSeries loadAppleIncSeries() {
InputStream stream = CsvTicksLoader.class.getClassLoader().getResourceAsStream("appleinc_ticks_from_20130101_usd.csv");
List<Tick> ticks = new ArrayList<Tick>();
CSVReader csvReader = new CSVReader(new InputStreamReader(stream, Charset.forName("UTF-8")), ',', '"', 1);
try {
String[] line;
while ((line = csvReader.readNext()) != null) {
DateTime date = new DateTime(DATE_FORMAT.parse(line[0]));
double open = Double.parseDouble(line[1]);
double high = Double.parseDouble(line[2]);
double low = Double.parseDouble(line[3]);
double close = Double.parseDouble(line[4]);
double volume = Double.parseDouble(line[5]);
ticks.add(new Tick(date, open, high, low, close, volume));
}
} catch (IOException ioe) {
Logger.getLogger(CsvTicksLoader.class.getName()).log(Level.SEVERE, "Unable to load ticks from CSV", ioe);
} catch (ParseException pe) {
Logger.getLogger(CsvTicksLoader.class.getName()).log(Level.SEVERE, "Error while parsing date", pe);
} catch (NumberFormatException nfe) {
Logger.getLogger(CsvTicksLoader.class.getName()).log(Level.SEVERE, "Error while parsing value", nfe);
}
return new TimeSeries("apple_ticks", ticks);
}
public static void main(String[] args) {
TimeSeries series = CsvTicksLoader.loadAppleIncSeries();
System.out.println("Series: " + series.getName() + " (" + series.getSeriesPeriodDescription() + ")");
System.out.println("Number of ticks: " + series.getTickCount());
System.out.println("First tick: \n"
+ "\tVolume: " + series.getTick(0).getVolume() + "\n"
+ "\tOpen price: " + series.getTick(0).getOpenPrice()+ "\n"
+ "\tClose price: " + series.getTick(0).getClosePrice());
}
}