/**
* Copyright (C) 2012 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.web.analytics.formatting;
import java.util.ArrayList;
import java.util.List;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.opengamma.analytics.financial.model.interestrate.curve.PriceIndexCurve;
import com.opengamma.analytics.math.curve.FunctionalDoublesCurve;
import com.opengamma.analytics.math.curve.InterpolatedDoublesCurve;
import com.opengamma.analytics.math.curve.NodalDoublesCurve;
import com.opengamma.engine.value.ValueSpecification;
import com.opengamma.financial.analytics.ircurve.YieldCurveInterpolatingFunction;
/**
*
*/
/* package */ class PriceIndexCurveFormatter extends AbstractFormatter<PriceIndexCurve> {
private static final Logger s_logger = LoggerFactory.getLogger(PriceIndexCurveFormatter.class);
/* package */ PriceIndexCurveFormatter() {
super(PriceIndexCurve.class);
addFormatter(new Formatter<PriceIndexCurve>(Format.EXPANDED) {
@Override
Object format(PriceIndexCurve value, ValueSpecification valueSpec, Object inlineKey) {
return formatExpanded(value);
}
});
}
@Override
public List<Double[]> formatCell(PriceIndexCurve value, ValueSpecification valueSpec, Object inlineKey) {
if (value.getCurve() instanceof InterpolatedDoublesCurve) {
InterpolatedDoublesCurve interpolatedCurve = (InterpolatedDoublesCurve) value.getCurve();
List<Double[]> data = new ArrayList<Double[]>();
double[] xData = interpolatedCurve.getXDataAsPrimitive();
double[] yData = interpolatedCurve.getYDataAsPrimitive();
for (int i = 0; i < interpolatedCurve.size(); i++) {
data.add(new Double[] {xData[i], yData[i]});
}
return data;
} else if (value.getCurve() instanceof FunctionalDoublesCurve) {
FunctionalDoublesCurve curve = (FunctionalDoublesCurve) value.getCurve();
int n = 34;
List<Double[]> data = new ArrayList<Double[]>();
double[] xData = new double[n];
double[] yData = new double[n];
for (int i = 0; i < n; i++) {
if (i == 0) {
xData[0] = 1. / 12;
} else if (i == 1) {
xData[1] = 0.25;
} else if (i == 2) {
xData[2] = 0.5;
} else if (i == 3) {
xData[3] = 0.75;
} else {
xData[i] = i - 3;
}
yData[i] = curve.getYValue(xData[i]);
data.add(new Double[]{xData[i], yData[i]});
}
return data;
} else {
s_logger.warn("Unable to format curve of type {}", value.getCurve().getClass());
return null;
}
}
private List<Double[]> formatExpanded(PriceIndexCurve value) {
NodalDoublesCurve detailedCurve = YieldCurveInterpolatingFunction.interpolateCurve(value.getCurve());
List<Double[]> detailedData = new ArrayList<Double[]>();
Double[] xs = detailedCurve.getXData();
Double[] ys = detailedCurve.getYData();
for (int i = 0; i < ys.length; i++) {
detailedData.add(new Double[]{xs[i], ys[i]});
}
return detailedData;
}
@Override
public DataType getDataType() {
return DataType.CURVE;
}
}