/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.qpid.disttest.charting.chartbuilder;
import java.awt.Color;
import java.awt.Stroke;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.qpid.disttest.charting.definition.SeriesDefinition;
import org.apache.qpid.disttest.charting.seriesbuilder.DatasetHolder;
import org.apache.qpid.disttest.charting.seriesbuilder.SeriesBuilder;
import org.apache.qpid.disttest.charting.seriesbuilder.SeriesRow;
import org.jfree.chart.JFreeChart;
import org.jfree.data.general.Dataset;
import org.jfree.data.xy.DefaultXYDataset;
public abstract class XYDataSetBasedChartBuilder extends BaseChartBuilder
{
public XYDataSetBasedChartBuilder(SeriesBuilder seriesBuilder)
{
super(seriesBuilder);
}
@Override
protected DatasetHolder newDatasetHolder()
{
return new DatasetHolder()
{
private final DefaultXYDataset _dataset = new DefaultXYDataset();
private List<Double[]> _xyPairs = null;
@Override
public void beginSeries(SeriesDefinition seriesDefinition)
{
_xyPairs = new ArrayList<Double[]>();
}
@Override
public void addDataPointToSeries(SeriesDefinition seriesDefinition, SeriesRow row)
{
double x = row.dimensionAsDouble(0);
double y = row.dimensionAsDouble(1);
_xyPairs.add(new Double[] {x, y});
}
@Override
public void endSeries(SeriesDefinition seriesDefinition)
{
double[][] seriesData = listToSeriesDataArray();
_dataset.addSeries(seriesDefinition.getSeriesLegend(), seriesData);
}
@Override
public int getNumberOfDimensions()
{
return 2;
}
private double[][] listToSeriesDataArray()
{
double[][] seriesData = new double[2][_xyPairs.size()];
int i = 0;
for (Iterator<Double[]> iterator = _xyPairs.iterator(); iterator.hasNext();)
{
Double[] xyPair = iterator.next();
seriesData[0][i] = xyPair[0];
seriesData[1][i] = xyPair[1];
i++;
}
return seriesData;
}
@Override
public Dataset getPopulatedDataset()
{
return _dataset;
}
};
}
@Override
protected SeriesStrokeAndPaintApplier newStrokeAndPaintApplier()
{
return new SeriesStrokeAndPaintApplier()
{
@Override
public void setSeriesStroke(int seriesIndex, Stroke stroke, JFreeChart targetChart)
{
targetChart.getXYPlot().getRenderer().setSeriesStroke(seriesIndex, stroke);
}
@Override
public void setSeriesPaint(int seriesIndex, Color colour, JFreeChart targetChart)
{
targetChart.getXYPlot().getRenderer().setSeriesPaint(seriesIndex, colour);
}
};
}
}