public String getDocument(boolean toScreen) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
Dom4jUtils.writeDocument(rootElement.getDocument(), baos, PrintType.PRETTY);
if (toScreen) {
System.out.println(baos.toString());
}
return baos.toString();
}
/**
* This method generates the time series for the methods and puts it in an HTML string. The
* methods are sorted according to the greatest average time for each method.
*
* @param dataBase the database to aggregate the statistics for
* @return the html representing the series of timings for the method
*/
@SuppressWarnings({"unchecked", "rawtypes"})
protected String methodSeries(final IDataBase dataBase) {
Comparator<Method> comparator =
new Comparator<Method>() {
public int compare(Method o1, Method o2) {
Double o1Average = calculator.averageMethodTime(o1);
Double o2Average = calculator.averageMethodTime(o2);
// We want a descending table, i.e. the most expensive at the top
return o2Average.compareTo(o1Average);
}
};
Set<Method> sortedMethods = new TreeSet<>(comparator);
List<Method> methods = dataBase.find(Method.class);
sortedMethods.addAll(methods);
List<Snapshot<?, ?>> snapshots =
methods.size() > 0 ? methods.get(0).getSnapshots() : new ArrayList<Snapshot<?, ?>>();
Element tableElement = tableElement(snapshots);
for (Method method : sortedMethods) {
Class<?, ?> klass = (Class<?, ?>) method.getParent();
String className = klass.getName();
String methodName = method.getName();
Element rowElement = addElement(tableElement, "tr", null);
addElement(rowElement, "td", className);
addElement(rowElement, "td", methodName);
addElement(rowElement, "td", Double.toString(calculator.averageMethodTime(method)));
addElement(rowElement, "td", Double.toString(calculator.averageMethodNetTime(method)));
addElement(rowElement, "td", Double.toString(calculator.totalMethodTime(method)));
addElement(rowElement, "td", Double.toString(calculator.totalNetMethodTime(method)));
addElement(rowElement, "td", Integer.toString(method.getInvocations()));
Element dataElement = addElement(rowElement, "td", null);
Element imageElement = addElement(dataElement, "img", null);
// Add the method series graph for the average and total time for the method
List<Double> methodSeries = calculator.methodSeries(method);
String url = buildGraph(IConstants.METHOD_SERIES, method, methodSeries);
addAttributes(imageElement, new String[] {"src"}, new String[] {url});
dataElement = addElement(rowElement, "td", null);
imageElement = addElement(dataElement, "img", null);
// Add the method change graph, i.e. the change in the average time for the method
List<Double> methodChangeSeries = calculator.methodChangeSeries(method);
url = buildGraph(IConstants.METHOD_CHANGE_SERIES, method, methodChangeSeries);
addAttributes(imageElement, new String[] {"src"}, new String[] {url});
}
Document document = tableElement.getDocument();
return prettyPrint(document);
}
protected void decorateDCStream() {
Element rootElement = DocumentHelper.createElement(new QName("dc", Namespaces.oai_dc));
rootElement.add(Namespaces.dc);
rootElement.add(Namespaces.xsi);
Element title = rootElement.addElement(new QName("title", Namespaces.dc));
title.addText(getLabel());
Element identifier = rootElement.addElement(new QName("identifier", Namespaces.dc));
identifier.setText(getPid());
Element type = rootElement.addElement(new QName("type", Namespaces.dc));
type.addText(
"model:"
+ getModel().getValue().substring(0, 1)
+ getModel().getValue().substring(1).toLowerCase());
Element rights = rootElement.addElement(new QName("rights", Namespaces.dc));
rights.addText("policy:" + getPolicy().toString().toLowerCase());
appendDatastream(DATASTREAM_CONTROLGROUP.X, DATASTREAM_ID.DC, rootElement, null, null);
dcXmlContent = rootElement.getDocument();
}
/**
* Render with a localized stylesheet. The localized stylesheet is addressed by its name with
* appended locale. E.g. mystyle.xsl in DE locale is addressed by mystyle_de.xsl
*
* @param node The node to render
* @param styleSheetName The stylesheet to use.
* @return Results of XSL transformation
*/
private StringBuilder render(final Element node) {
try {
Document doc = node.getDocument();
if (doc == null) {
doc = new DOMDocument();
doc.add(node);
}
final DocumentSource xmlsource = new DocumentSource(node);
// ByteArrayOutputStream baos = new ByteArrayOutputStream();
final StringWriter sw = new StringWriter();
final StreamResult result = new StreamResult(sw);
synchronized (transformer) { // o_clusterOK by:fj transformer is per vm
transformer.transform(xmlsource, result);
}
final String res = sw.toString();
return new StringBuilder(res); // .append(result.getOutputStream());
} catch (final Exception e) {
throw new OLATRuntimeException(LocalizedXSLTransformer.class, "Error transforming XML.", e);
}
}
