private static void validateInstrument(final Extension.Instrumentation instrument)
throws XmlException {
if (instrument == null) {
throw new XmlException(
"In order to provide instrumentation, there must be an instrument tag.\n");
}
final List<Extension.Instrumentation.Pointcut> pcs = instrument.getPointcut();
if (pcs == null || pcs.isEmpty()) {
throw new XmlException("A point cut tag is required to instrument a method.\n");
}
}
private static String createDefaultMetricPrefix(
final Extension.Instrumentation instrument, final boolean custom) {
String metricPrefix = custom ? "Custom" : "Java";
if (instrument != null) {
final String prefix = instrument.getMetricPrefix();
if (prefix != null && prefix.length() != 0) {
metricPrefix = prefix;
}
}
return metricPrefix;
}
public static List<ExtensionClassAndMethodMatcher> convertToPointCutsForValidation(
final Extension ext) throws XmlException {
final List<ExtensionClassAndMethodMatcher> pointCutsOut =
new ArrayList<ExtensionClassAndMethodMatcher>();
final Extension.Instrumentation inst = ext.getInstrumentation();
validateExtensionAttributes(ext);
validateInstrument(inst);
final List<Extension.Instrumentation.Pointcut> pcs = inst.getPointcut();
final String defaultMetricPrefix = createDefaultMetricPrefix(inst, true);
final Map<String, MethodMapper> classesToMethods = new HashMap<String, MethodMapper>();
for (final Extension.Instrumentation.Pointcut pc : pcs) {
pointCutsOut.add(
createPointCut(
ext,
pc,
defaultMetricPrefix,
ext.getName(),
classesToMethods,
true,
InstrumentationType.LocalCustomXml,
false));
}
return pointCutsOut;
}