protected static HierarchicType _findSuperInterfaceChain(Type currentType, Class<?> target) {
HierarchicType current = new HierarchicType(currentType);
Class<?> raw = current.getRawClass();
if (raw == target) {
return current;
}
// Otherwise, keep on going down the rat hole; first implemented interaces
Type[] parents = raw.getGenericInterfaces();
// as long as there are superclasses
// and unless we have already seen the type (<T extends X<T>>)
if (parents != null) {
for (Type parent : parents) {
HierarchicType sup = _findSuperInterfaceChain(parent, target);
if (sup != null) {
sup.setSubType(current);
current.setSuperType(sup);
return current;
}
}
}
// and then super-class if any
Type parent = raw.getGenericSuperclass();
if (parent != null) {
HierarchicType sup = _findSuperInterfaceChain(parent, target);
if (sup != null) {
sup.setSubType(current);
current.setSuperType(sup);
return current;
}
}
return null;
}
protected static HierarchicType _findSuperClassChain(Type currentType, Class<?> target) {
HierarchicType current = new HierarchicType(currentType);
Class<?> raw = current.getRawClass();
if (raw == target) {
return current;
}
// Otherwise, keep on going down the rat hole...
Type parent = raw.getGenericSuperclass();
if (parent != null) {
HierarchicType sup = _findSuperClassChain(parent, target);
if (sup != null) {
sup.setSubType(current);
current.setSuperType(sup);
return current;
}
}
return null;
}
protected static JavaType _resolveVariableViaSubTypes(
HierarchicType leafType, String variableName, TypeBindings bindings) {
// can't resolve raw types; possible to have as-of-yet-unbound types too:
if (leafType != null && leafType.isGeneric()) {
TypeVariable<?>[] typeVariables = leafType.getRawClass().getTypeParameters();
for (int i = 0, len = typeVariables.length; i < len; ++i) {
TypeVariable<?> tv = typeVariables[i];
if (variableName.equals(tv.getName())) {
// further resolution needed?
Type type = leafType.asGeneric().getActualTypeArguments()[i];
if (type instanceof TypeVariable<?>) {
return _resolveVariableViaSubTypes(
leafType.getSubType(), ((TypeVariable<?>) type).getName(), bindings);
}
// no we're good for the variable (but it may have parameterization of its own)
return instance._fromType(type, bindings);
}
}
}
return instance._unknownType();
}
