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/*
* 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.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.qpid.disttest.charting.definition.ChartingDefinition;
import org.apache.qpid.disttest.charting.definition.SeriesDefinition;
import org.apache.qpid.disttest.charting.seriesbuilder.SeriesBuilderCallback;
import org.apache.qpid.disttest.charting.seriesbuilder.SeriesBuilder;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryLabelPositions;
import org.jfree.data.xy.DefaultXYDataset;
public abstract class XYDataSetBasedChartBuilder extends BaseChartBuilder
{
private final SeriesBuilder _seriesBuilder;
public XYDataSetBasedChartBuilder(SeriesBuilder seriesBuilder)
{
this._seriesBuilder = seriesBuilder;
}
@Override
public JFreeChart buildChart(ChartingDefinition chartingDefinition)
{
String title = chartingDefinition.getChartTitle();
String xAxisTitle = chartingDefinition.getXAxisTitle();
String yAxisTitle = chartingDefinition.getYAxisTitle();
final DefaultXYDataset dataset = new DefaultXYDataset();
_seriesBuilder.setSeriesBuilderCallback(new SeriesBuilderCallback()
{
private List<Double[]> _xyPairs = null;
@Override
public void beginSeries(SeriesDefinition seriesDefinition)
{
_xyPairs = new ArrayList<Double[]>();
}
@Override
public void addDataPointToSeries(SeriesDefinition seriesDefinition,
Object[] row)
{
double x = Double.parseDouble(row[0].toString());
double y = Double.parseDouble(row[1].toString());
_xyPairs.add(new Double[] {x, y});
}
@Override
public void endSeries(SeriesDefinition seriesDefinition)
{
double[][] seriesData = listToSeriesDataArray();
dataset.addSeries(seriesDefinition.getSeriesLegend(), seriesData);
}
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;
}
});
_seriesBuilder.build(chartingDefinition.getSeries());
JFreeChart chart = createChartImpl(title, xAxisTitle, yAxisTitle,
dataset, PLOT_ORIENTATION, SHOW_LEGEND, SHOW_TOOL_TIPS, SHOW_URLS);
addCommonChartAttributes(chart, chartingDefinition);
return chart;
}
}
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