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JQuantsApiSample.java
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JQuantsApiSample.java
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package info.hellonico.jquantsapi;
import clojure.lang.Keyword;
import com.github.signaflo.timeseries.TimeSeries;
import hellonico.jquantsapi;
import io.quickchart.QuickChart;
import org.apache.commons.jxpath.JXPathContext;
import java.util.*;
import java.util.stream.Stream;
import static java.lang.String.*;
/**
* Hello Jquants in java
*
*/
public class JQuantsApiSample {
static final String code = "24130";
public static void main( String[] args )
{
jquantsapi api = new jquantsapi();
// api.login("john@doe.com", "johndoe");
// api.refreshRefreshToken();
// api.refreshIdToken();
simple(api);
listedInfoAndStatement(api);
fromTo(api);
chartMe(api);
movingAverage(api);
fuzzy(api);
System.exit(0);
}
private static void fuzzy(jquantsapi api) {
String from = "20220301", to = "20220401";
Map m = Map.of("CompanyNameEnglish","Japan Exchange","from", from,"to", to);
Map result = api.dailyFuzzy(m);
System.out.println(result);
}
private static void listedInfoAndStatement(jquantsapi api) {
Map<?,?> listedInfo = api.listedInfo(code);
JXPathContext context = JXPathContext.newContext(listedInfo);
System.out.printf("Code %s is for companyName %s\n", code, context.getValue("//CompanyNameFull"));
Map<?,?> statements = api.statements(code, "20220727");
JXPathContext context2 = JXPathContext.newContext(statements);
System.out.printf("Profit: %s for Code %s\n", context2.getValue("//Profit"), code);
}
public static List<Double> pad(List<Double> array, int pad){
LinkedList<Double> list = new LinkedList();
list.addAll(array);
for(int i = 0;i<pad;i++) {
list.add(0,null);
}
return list;
}
private static void movingAverage(jquantsapi api) {
String from = "20220301", to = "20220401";
Map<?,?> result = api.daily(code, from, to);
JXPathContext context = JXPathContext.newContext(result);
double[] tds = context.selectNodes("//Open").stream().mapToDouble(p -> (Double) p).toArray();
TimeSeries ts = TimeSeries.from(tds);
int MOVING_AVERAGE_RANGE = 5;
TimeSeries ma = ts.movingAverage(MOVING_AVERAGE_RANGE);
QuickChart chart = new QuickChart();
chart.setWidth(500);
chart.setHeight(300);
String config =
format("{type: 'line',data: {labels: %s , datasets: [{label: 'MovingAverage', data:%s ,fill: false}]}}",
context.selectNodes("//Date"),
pad(ma.asList(),MOVING_AVERAGE_RANGE--)
);
chart.setConfig(config);
System.out.println(chart.getUrl());
}
private static void fromTo(jquantsapi api) {
String from = "20220301", to = "20220305";
Map<?,?> result = api.daily(code, from, to);
JXPathContext context = JXPathContext.newContext(result);
System.out.println(">>"+context.selectNodes("//Open"));
}
private static void simple(jquantsapi api) {
String date = "20220301";
Map<?,?> result = api.daily(code, date);
Stream.of(result.keySet().toArray()).forEach(System.out::println);
System.out.println(result.get("daily_quotes"));
JXPathContext context = JXPathContext.newContext(result);
Double open = (Double) context.getValue("/daily_quotes[1]/Open");
System.out.printf("Quote for %s on day %s is %f\n", code, date, open);
}
private static void chartMe(jquantsapi api) {
// https://quickchart.io/documentation/#library-java
String from = "20220301", to = "20220505";
Map<?,?> result = api.daily(code, from, to);
JXPathContext context = JXPathContext.newContext(result);
QuickChart chart = new QuickChart();
chart.setWidth(500);
chart.setHeight(300);
String config =
format("{type: 'line',data: {labels: %s , datasets: [{label: 'Open', data:%s ,fill: false}, {label: 'Close', data:%s ,fill: false}]}}",
context.selectNodes("//Date"),
context.selectNodes("//Open"),
context.selectNodes("//Close"));
chart.setConfig(config);
System.out.println(chart.getUrl());
}
}