@Override
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String title = "Test Servlet with Utilities";
out.println(
ServletUtilities.headWithTitle(title)
+ "<body bgcolor=\"#fdf5e6\">\n"
+ "<h1>"
+ title
+ "</h1>\n"
+ "<p>Simple servlet for testing.</p>\n"
+ "</body></html>");
}
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String title = "Reading All Request Parameters";
out.println(
ServletUtilities.headWithTitle(title)
+ "<BODY BGCOLOR=\"#FDF5E6\">\n"
+ "<H1 ALIGN=CENTER>"
+ title
+ "</H1>\n"
+ "<TABLE BORDER=1 ALIGN=CENTER>\n"
+ "<TR BGCOLOR=\"#FFAD00\">\n"
+ "<TH>Parameter Name<TH>Parameter Value(s)");
Enumeration paramNames = request.getParameterNames();
while (paramNames.hasMoreElements()) {
String paramName = (String) paramNames.nextElement();
out.println("<TR><TD>" + paramName + "\n<TD>");
String[] paramValues = request.getParameterValues(paramName);
if (paramValues.length == 1) {
String paramValue = paramValues[0];
if (paramValue.length() == 0) out.print("<I>No Value</I>");
else out.print(paramValue);
} else {
out.println("<UL>");
for (int i = 0; i < paramValues.length; i++) {
out.println("<LI>" + paramValues[i]);
}
out.println("</UL>");
}
}
out.println("</TABLE>\n</BODY></HTML>");
}
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 String getSimplePieChart(Map dataSource, String objectName, HttpSession session)
throws Throwable {
DefaultPieDataset dataset = new DefaultPieDataset();
Element chartObject =
XMLHandler.getElementByAttribute(getChartObjectList(), "name", objectName);
String title = chartObject.getAttributeValue("title");
int width = Integer.parseInt(chartObject.getAttributeValue("width"));
int height = Integer.parseInt(chartObject.getAttributeValue("height"));
Element LabelKeys = chartObject.getChild("Labels");
Element ValueKeys = chartObject.getChild("Values");
String valueKey = ValueKeys.getText();
String valueType = ValueKeys.getAttributeValue("type");
List labelKeys = LabelKeys.getChildren("Label");
String labelKey = LabelKeys.getText();
if (valueType.equalsIgnoreCase("number")) {
for (int i = 0; i < dataSource.size(); i++) {
Map rec = (Map) dataSource.get("ROW" + i);
Number value = (Number) rec.get(valueKey);
String label;
if (labelKeys.isEmpty()) {
label = DataFilter.show(rec, labelKey);
} else {
label = ((Element) labelKeys.get(i)).getText();
}
dataset.setValue(label, value);
}
} else {
for (int i = 0; i < dataSource.size(); i++) {
Map rec = (Map) dataSource.get("ROW" + i);
double value = (Double) rec.get(valueKey);
String label;
if (labelKeys.isEmpty()) {
label = DataFilter.show(rec, labelKey);
} else {
label = ((Element) labelKeys.get(i)).getText();
}
dataset.setValue(label, value);
}
}
JFreeChart chart =
ChartFactory.createPieChart3D(
title,
dataset,
chartObject.getAttribute("showLegend").getBooleanValue(),
chartObject.getAttribute("showToolTips").getBooleanValue(),
chartObject.getAttribute("urls").getBooleanValue());
PiePlot3D pie3dplot = (PiePlot3D) chart.getPlot();
float alpha = 0.7F;
if (chartObject.getAttribute("alpha") != null) {
alpha = chartObject.getAttribute("alpha").getFloatValue();
}
pie3dplot.setForegroundAlpha(alpha);
return ServletUtilities.saveChartAsPNG(chart, width, height, null, session);
}
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);
}