protected void _addMethodMixIns(
MethodFilter methodFilter,
AnnotatedMethodMap methods,
Class<?> mixInCls,
AnnotatedMethodMap mixIns) {
for (Method m : mixInCls.getDeclaredMethods()) {
if (!_isIncludableMethod(m, methodFilter)) {
continue;
}
AnnotatedMethod am = methods.find(m);
/* Do we already have a method to augment (from sub-class
* that will mask this mixIn)? If so, add if visible
* without masking (no such annotation)
*/
if (am != null) {
_addMixUnders(m, am);
/* Otherwise will have precedence, but must wait
* until we find the real method (mixIn methods are
* just placeholder, can't be called)
*/
} else {
mixIns.add(_constructMethod(m));
}
}
}
protected void _addMemberMethods(
Class<?> cls,
MethodFilter methodFilter,
AnnotatedMethodMap methods,
Class<?> mixInCls,
AnnotatedMethodMap mixIns) {
// first, mixIns, since they have higher priority then class methods
if (mixInCls != null) {
_addMethodMixIns(methodFilter, methods, mixInCls, mixIns);
}
if (cls == null) { // just so caller need not check when passing super-class
return;
}
// then methods from the class itself
for (Method m : cls.getDeclaredMethods()) {
if (!_isIncludableMethod(m, methodFilter)) {
continue;
}
AnnotatedMethod old = methods.find(m);
if (old == null) {
AnnotatedMethod newM = _constructMethod(m);
methods.add(newM);
// Ok, but is there a mix-in to connect now?
old = mixIns.remove(m);
if (old != null) {
_addMixOvers(old.getAnnotated(), newM, false);
}
} else {
/* If sub-class already has the method, we only want to augment
* annotations with entries that are not masked by sub-class.
*/
_addMixUnders(m, old);
/* 06-Jan-2010, tatu: [JACKSON-450] Except that if method we saw first is
* from an interface, and we now find a non-interface definition, we should
* use this method, but with combination of annotations.
* This helps (or rather, is essential) with JAXB annotations and
* may also result in faster method calls (interface calls are slightly
* costlier than regular method calls)
*/
if (old.getDeclaringClass().isInterface() && !m.getDeclaringClass().isInterface()) {
methods.add(old.withMethod(m));
}
}
}
}
/**
* Method for resolving member method information: aggregating all non-static methods and
* combining annotations (to implement method-annotation inheritance)
*
* @param collectIgnored Whether to collect list of ignored methods for later retrieval
*/
public void resolveMemberMethods(MethodFilter methodFilter, boolean collectIgnored) {
_memberMethods = new AnnotatedMethodMap();
AnnotatedMethodMap mixins = new AnnotatedMethodMap();
// first: methods from the class itself
_addMemberMethods(_class, methodFilter, _memberMethods, _primaryMixIn, mixins);
// and then augment these with annotations from super-types:
for (Class<?> cls : _superTypes) {
Class<?> mixin = (_mixInResolver == null) ? null : _mixInResolver.findMixInClassFor(cls);
_addMemberMethods(cls, methodFilter, _memberMethods, mixin, mixins);
}
// Special case: mix-ins for Object.class? (to apply to ALL classes)
if (_mixInResolver != null) {
Class<?> mixin = _mixInResolver.findMixInClassFor(Object.class);
if (mixin != null) {
_addMethodMixIns(methodFilter, _memberMethods, mixin, mixins);
}
}
/* Any unmatched mix-ins? Most likely error cases (not matching
* any method); but there is one possible real use case:
* exposing Object#hashCode (alas, Object#getClass can NOT be
* exposed, see [JACKSON-140])
*/
if (!mixins.isEmpty()) {
Iterator<AnnotatedMethod> it = mixins.iterator();
while (it.hasNext()) {
AnnotatedMethod mixIn = it.next();
try {
Method m = Object.class.getDeclaredMethod(mixIn.getName(), mixIn.getParameterClasses());
if (m != null) {
AnnotatedMethod am = _constructMethod(m);
_addMixOvers(mixIn.getAnnotated(), am, false);
_memberMethods.add(am);
}
} catch (Exception e) {
}
}
}
/* And last but not least: let's remove all methods that are
* deemed to be ignorable after all annotations have been
* properly collapsed.
*/
Iterator<AnnotatedMethod> it = _memberMethods.iterator();
while (it.hasNext()) {
AnnotatedMethod am = it.next();
if (_annotationIntrospector.isIgnorableMethod(am)) {
it.remove();
if (collectIgnored) {
_ignoredMethods = ArrayBuilders.addToList(_ignoredMethods, am);
}
}
}
}