/**
* Returns a prepared entry for a supplementary method.
*
* @param methodDescription The method to be implemented.
* @return An entry for a supplementary entry that is defined by a method implementation
* instance.
*/
protected Prepared.Entry asSupplementaryEntry(MethodDescription methodDescription) {
return new Prepared.Entry(
handler,
new MethodAttributeAppender.ForMethod(
methodDescription, AnnotationAppender.ValueFilter.AppendDefaults.INSTANCE),
methodDescription,
Collections.<MethodDescription.TypeToken>emptySet());
}
@Override
public MethodRegistry.Prepared prepare(
InstrumentedType instrumentedType,
MethodGraph.Compiler methodGraphCompiler,
LatentMethodMatcher methodFilter) {
LinkedHashMap<MethodDescription, Prepared.Entry> implementations =
new LinkedHashMap<MethodDescription, Prepared.Entry>();
Set<Handler> handlers = new HashSet<Handler>(entries.size());
MethodList<?> helperMethods = instrumentedType.getDeclaredMethods();
for (Entry entry : entries) {
if (handlers.add(entry.getHandler())) {
instrumentedType = entry.getHandler().prepare(instrumentedType);
ElementMatcher<? super MethodDescription> handledMethods = noneOf(helperMethods);
helperMethods = instrumentedType.getDeclaredMethods();
for (MethodDescription helperMethod : helperMethods.filter(handledMethods)) {
implementations.put(helperMethod, entry.asSupplementaryEntry(helperMethod));
}
}
}
MethodGraph.Linked methodGraph = methodGraphCompiler.compile(instrumentedType);
// Casting required for Java 6 compiler.
ElementMatcher<? super MethodDescription> relevanceMatcher =
(ElementMatcher<? super MethodDescription>)
not(anyOf(implementations.keySet())).and(methodFilter.resolve(instrumentedType));
for (MethodGraph.Node node : methodGraph.listNodes()) {
MethodDescription methodDescription = node.getRepresentative();
boolean visibilityBridge = instrumentedType.isPublic() && !instrumentedType.isInterface();
if (relevanceMatcher.matches(methodDescription)) {
for (Entry entry : entries) {
if (entry.resolve(instrumentedType).matches(methodDescription)) {
implementations.put(
methodDescription,
entry.asPreparedEntry(
instrumentedType, methodDescription, node.getMethodTypes()));
visibilityBridge = false;
break;
}
}
}
if (visibilityBridge
&& methodDescription.isPublic()
&& !(methodDescription.isAbstract() || methodDescription.isFinal())
&& !node.getSort().isMadeVisible()
&& methodDescription.getDeclaringType().asErasure().isPackagePrivate()) {
// Visibility bridges are required for public types that inherit a public method from a
// package-private type.
// Checking the last condition contradicts any method that is defined by the instrumented
// type itself.
implementations.put(
methodDescription,
Prepared.Entry.forVisibilityBridge(methodDescription, node.getMethodTypes()));
}
}
MethodDescription typeInitializer =
new MethodDescription.Latent.TypeInitializer(instrumentedType);
for (Entry entry : entries) {
if (entry.resolve(instrumentedType).matches(typeInitializer)) {
implementations.put(
typeInitializer,
entry.asPreparedEntry(
instrumentedType,
typeInitializer,
Collections.<MethodDescription.TypeToken>emptySet()));
break;
}
}
return new Prepared(
implementations,
instrumentedType.getLoadedTypeInitializer(),
instrumentedType.getTypeInitializer(),
instrumentedType.asErasure(),
methodGraph);
}
/** Creates a new default method registry without entries. */
public Default() {
entries = Collections.emptyList();
}