public static String getSimpleBarChart(Map dataSource, String objectName, HttpSession session)
throws Throwable {
Element chartObject =
XMLHandler.getElementByAttribute(getChartObjectList(), "name", objectName);
List invokeFields = chartObject.getChild("InvokeFields").getChildren("Field");
double[][] data = new double[invokeFields.size()][dataSource.size()];
String[] rowKeys = new String[invokeFields.size()];
String[] columnKeys = new String[dataSource.size()];
String columnLabel = chartObject.getChildText("ColumnLabel");
for (int i = 0; i < dataSource.size(); i++) {
Map rec = (Map) dataSource.get("ROW" + i);
columnKeys[i] = DataFilter.show(rec, columnLabel);
for (int j = 0; j < invokeFields.size(); j++) {
data[j][i] =
Double.parseDouble(
rec.get(((Element) invokeFields.get(j)).getAttributeValue("name")).toString());
}
}
for (int i = 0; i < invokeFields.size(); i++) {
rowKeys[i] = ((Element) invokeFields.get(i)).getAttributeValue("label");
}
CategoryDataset dataset = DatasetUtilities.createCategoryDataset(rowKeys, columnKeys, data);
PlotOrientation plotOrientation =
chartObject.getAttributeValue("plotOrientation").equalsIgnoreCase("VERTICAL")
? PlotOrientation.VERTICAL
: PlotOrientation.HORIZONTAL;
JFreeChart chart =
ChartFactory.createBarChart3D(
chartObject.getAttributeValue("title"),
chartObject.getAttributeValue("categoryAxisLabel"),
chartObject.getAttributeValue("valueAxisLabel"),
dataset,
plotOrientation,
chartObject.getAttribute("showLegend").getBooleanValue(),
chartObject.getAttribute("showToolTips").getBooleanValue(),
chartObject.getAttribute("urls").getBooleanValue());
CategoryPlot C3dplot = (CategoryPlot) chart.getPlot();
if (chartObject.getAttribute("alpha") != null) {
C3dplot.setForegroundAlpha(chartObject.getAttribute("alpha").getFloatValue());
}
BarRenderer3D barrenderer = (BarRenderer3D) C3dplot.getRenderer();
barrenderer.setLabelGenerator(new StandardCategoryLabelGenerator());
barrenderer.setItemLabelsVisible(true);
barrenderer.setPositiveItemLabelPosition(
new ItemLabelPosition(ItemLabelAnchor.OUTSIDE1, TextAnchor.BASELINE_CENTER));
int width, height;
if (chartObject.getAttributeValue("width").equalsIgnoreCase("auto")) {
width = (50 * dataSource.size()) * invokeFields.size() + 100;
} else {
width = Integer.parseInt(chartObject.getAttributeValue("width"));
}
if (chartObject.getAttributeValue("height").equalsIgnoreCase("auto")) {
height = (50 * dataSource.size()) * invokeFields.size() + 100;
} else {
height = Integer.parseInt(chartObject.getAttributeValue("height"));
}
return ServletUtilities.saveChartAsPNG(chart, width, height, session);
}
public static String getBarSeries(Map dataSource, String objectName, HttpSession session)
throws Exception {
DefaultKeyedValues barValues = new DefaultKeyedValues();
DefaultKeyedValues seriesValues = new DefaultKeyedValues();
Element chartObject =
XMLHandler.getElementByAttribute(getChartObjectList(), "name", objectName);
Element barField = chartObject.getChild("BarFields").getChild("Field");
Element seriesField = chartObject.getChild("SeriesFields").getChild("Field");
for (int i = 0; i < dataSource.size(); i++) {
Map rec = (Map) dataSource.get("ROW" + i);
barValues.addValue(
DataFilter.show(rec, chartObject.getChildText("ColumnLabel")),
Double.parseDouble(rec.get(barField.getAttributeValue("name")).toString()));
seriesValues.addValue(
DataFilter.show(rec, chartObject.getChildText("ColumnLabel")),
Double.parseDouble(rec.get(seriesField.getAttributeValue("name")).toString()));
}
CategoryDataset dataset =
DatasetUtilities.createCategoryDataset(barField.getAttributeValue("label"), barValues);
PlotOrientation plotOrientation =
chartObject.getAttributeValue("plotOrientation").equalsIgnoreCase("VERTICAL")
? PlotOrientation.VERTICAL
: PlotOrientation.HORIZONTAL;
JFreeChart chart =
ChartFactory.createBarChart3D(
chartObject.getAttributeValue("title"),
chartObject.getAttributeValue("categoryAxisLabel"),
chartObject.getAttributeValue("valueAxisLabel"),
dataset,
plotOrientation,
chartObject.getAttribute("showLegend").getBooleanValue(),
chartObject.getAttribute("showToolTips").getBooleanValue(),
chartObject.getAttribute("urls").getBooleanValue());
CategoryPlot categoryplot = chart.getCategoryPlot();
LineRenderer3D lineRenderer = new LineRenderer3D();
CategoryDataset datasetSeries =
DatasetUtilities.createCategoryDataset(
seriesField.getAttributeValue("label"), seriesValues);
categoryplot.setDataset(1, datasetSeries);
categoryplot.setRangeAxis(1, new NumberAxis3D(seriesField.getAttributeValue("label")));
categoryplot.setRenderer(1, lineRenderer);
categoryplot.mapDatasetToRangeAxis(1, 1);
BarRenderer3D barrenderer = (BarRenderer3D) categoryplot.getRenderer();
barrenderer.setLabelGenerator(new StandardCategoryLabelGenerator());
barrenderer.setItemLabelsVisible(true);
barrenderer.setPositiveItemLabelPosition(
new ItemLabelPosition(ItemLabelAnchor.OUTSIDE1, TextAnchor.BASELINE_CENTER));
// lineRenderer.setLabelGenerator(new StandardCategoryLabelGenerator());
// lineRenderer.setItemLabelsVisible(true);
// lineRenderer.setPositiveItemLabelPosition(
// new ItemLabelPosition(ItemLabelAnchor.OUTSIDE10, TextAnchor.CENTER));
float alpha = 0.7F;
if (chartObject.getAttribute("alpha") != null) {
alpha = chartObject.getAttribute("alpha").getFloatValue();
}
categoryplot.setForegroundAlpha(alpha);
int width, height;
if (chartObject.getAttributeValue("width").equalsIgnoreCase("auto")) {
width = (50 * dataSource.size()) + 100;
} else {
width = Integer.parseInt(chartObject.getAttributeValue("width"));
}
if (chartObject.getAttributeValue("height").equalsIgnoreCase("auto")) {
height = (50 * dataSource.size()) + 100;
} else {
height = Integer.parseInt(chartObject.getAttributeValue("height"));
}
return ServletUtilities.saveChartAsPNG(chart, width, height, session);
}
public static JFreeChart createChart() {
DefaultCategoryDataset defaultcategorydataset = new DefaultCategoryDataset();
defaultcategorydataset.addValue(1.0D, "S1", "Category 1");
defaultcategorydataset.addValue(4D, "S1", "Category 2");
defaultcategorydataset.addValue(3D, "S1", "Category 3");
defaultcategorydataset.addValue(5D, "S1", "Category 4");
defaultcategorydataset.addValue(5D, "S1", "Category 5");
defaultcategorydataset.addValue(7D, "S1", "Category 6");
defaultcategorydataset.addValue(7D, "S1", "Category 7");
defaultcategorydataset.addValue(8D, "S1", "Category 8");
defaultcategorydataset.addValue(5D, "S2", "Category 1");
defaultcategorydataset.addValue(7D, "S2", "Category 2");
defaultcategorydataset.addValue(6D, "S2", "Category 3");
defaultcategorydataset.addValue(8D, "S2", "Category 4");
defaultcategorydataset.addValue(4D, "S2", "Category 5");
defaultcategorydataset.addValue(4D, "S2", "Category 6");
defaultcategorydataset.addValue(2D, "S2", "Category 7");
defaultcategorydataset.addValue(1.0D, "S2", "Category 8");
StandardCategoryItemLabelGenerator standardcategoryitemlabelgenerator =
new StandardCategoryItemLabelGenerator();
BarRenderer barrenderer = new BarRenderer();
barrenderer.setBaseItemLabelGenerator(standardcategoryitemlabelgenerator);
barrenderer.setBaseItemLabelsVisible(true);
CategoryPlot categoryplot = new CategoryPlot();
categoryplot.setDataset(defaultcategorydataset);
categoryplot.setRenderer(barrenderer);
categoryplot.setDomainAxis(new CategoryAxis("Category"));
categoryplot.setRangeAxis(new NumberAxis("Value"));
categoryplot.setOrientation(PlotOrientation.VERTICAL);
categoryplot.setRangeGridlinesVisible(true);
categoryplot.setDomainGridlinesVisible(true);
DefaultCategoryDataset defaultcategorydataset1 = new DefaultCategoryDataset();
defaultcategorydataset1.addValue(9D, "T1", "Category 1");
defaultcategorydataset1.addValue(7D, "T1", "Category 2");
defaultcategorydataset1.addValue(2D, "T1", "Category 3");
defaultcategorydataset1.addValue(6D, "T1", "Category 4");
defaultcategorydataset1.addValue(6D, "T1", "Category 5");
defaultcategorydataset1.addValue(9D, "T1", "Category 6");
defaultcategorydataset1.addValue(5D, "T1", "Category 7");
defaultcategorydataset1.addValue(4D, "T1", "Category 8");
LineAndShapeRenderer lineandshaperenderer = new LineAndShapeRenderer();
categoryplot.setDataset(1, defaultcategorydataset1);
categoryplot.setRenderer(1, lineandshaperenderer);
NumberAxis numberaxis = new NumberAxis("Axis 2");
categoryplot.setRangeAxis(1, numberaxis);
DefaultCategoryDataset defaultcategorydataset2 = new DefaultCategoryDataset();
defaultcategorydataset2.addValue(94D, "R1", "Category 1");
defaultcategorydataset2.addValue(75D, "R1", "Category 2");
defaultcategorydataset2.addValue(22D, "R1", "Category 3");
defaultcategorydataset2.addValue(74D, "R1", "Category 4");
defaultcategorydataset2.addValue(83D, "R1", "Category 5");
defaultcategorydataset2.addValue(9D, "R1", "Category 6");
defaultcategorydataset2.addValue(23D, "R1", "Category 7");
defaultcategorydataset2.addValue(98D, "R1", "Category 8");
categoryplot.setDataset(2, defaultcategorydataset2);
LineAndShapeRenderer lineandshaperenderer1 = new LineAndShapeRenderer();
categoryplot.setRenderer(2, lineandshaperenderer1);
categoryplot.mapDatasetToRangeAxis(2, 1);
categoryplot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);
categoryplot.getDomainAxis().setCategoryLabelPositions(CategoryLabelPositions.UP_45);
JFreeChart jfreechart = new JFreeChart(categoryplot);
jfreechart.setTitle("Overlaid Bar Chart");
return jfreechart;
}