private static ExtensionClassAndMethodMatcher createPointCut(
final Extension extension,
final Extension.Instrumentation.Pointcut cut,
final String metricPrefix,
final String pName,
final Map<String, MethodMapper> classesToMethods,
final boolean custom,
final InstrumentationType type,
final boolean isAttsEnabled)
throws XmlException {
ClassMatcher classMatcher;
if (cut.getMethodAnnotation() != null) {
classMatcher = new AllClassesMatcher();
} else {
classMatcher = createClassMatcher(cut, pName);
}
final MethodMatcher methodMatcher = createMethodMatcher(cut, pName, classesToMethods);
List<ParameterAttributeName> reportedParams = null;
if (!isAttsEnabled) {
reportedParams = (List<ParameterAttributeName>) Lists.newArrayList();
} else {
reportedParams = getParameterAttributeNames(cut.getMethod());
}
return new ExtensionClassAndMethodMatcher(
extension, cut, metricPrefix, classMatcher, methodMatcher, custom, reportedParams, type);
}
public static String getClassName(final Extension.Instrumentation.Pointcut cut) {
if (cut.getClassName() != null) {
return cut.getClassName().getValue().trim();
}
if (cut.getInterfaceName() != null) {
return cut.getInterfaceName().trim();
}
return null;
}
private static MethodMatcher createMethodMatcher(
final Extension.Instrumentation.Pointcut cut,
final String pExtName,
final Map<String, MethodMapper> classesToMethods)
throws XmlException {
final List<Extension.Instrumentation.Pointcut.Method> methods = cut.getMethod();
if (methods != null && !methods.isEmpty()) {
return MethodMatcherUtility.createMethodMatcher(
getClassName(cut), methods, classesToMethods, pExtName);
}
if (cut.getMethodAnnotation() != null) {
return new AnnotationMethodMatcher(
Type.getObjectType(cut.getMethodAnnotation().replace('.', '/')));
}
throw new XmlException(
MessageFormat.format(
"At least one method must be specified for each point cut in the extension {0}",
pExtName));
}
static ClassMatcher createClassMatcher(
final Extension.Instrumentation.Pointcut pointcut, final String pExtName)
throws XmlException {
final Extension.Instrumentation.Pointcut.ClassName className = pointcut.getClassName();
if (className != null) {
if (className.getValue() == null || className.getValue().isEmpty()) {
throw new XmlException("");
}
if (className.isIncludeSubclasses()) {
return new ChildClassMatcher(className.getValue(), false);
}
return new ExactClassMatcher(className.getValue());
} else {
if (pointcut.getInterfaceName() != null) {
return new InterfaceMatcher(pointcut.getInterfaceName());
}
throw new XmlException(
MessageFormat.format(
"A class name, interface name, or super class name needs to be specified for every point cut in the extension {0}",
pExtName));
}
}
