public List<AnnotatedMethod> getFactoryMethods() {
// must filter out anything that clearly is not a factory method
List<AnnotatedMethod> candidates = _classInfo.getStaticMethods();
if (candidates.isEmpty()) {
return candidates;
}
ArrayList<AnnotatedMethod> result = new ArrayList<AnnotatedMethod>();
for (AnnotatedMethod am : candidates) {
if (isFactoryMethod(am)) {
result.add(am);
}
}
return result;
}
/**
* Method that can be called to find if introspected class declares a static "valueOf" factory
* method that returns an instance of introspected type, given one of acceptable types.
*
* @param expArgTypes Types that the matching single argument factory method can take: will also
* accept super types of these types (ie. arg just has to be assignable from expArgType)
*/
public Method findFactoryMethod(Class<?>... expArgTypes) {
// So, of all single-arg static methods:
for (AnnotatedMethod am : _classInfo.getStaticMethods()) {
if (isFactoryMethod(am)) {
// And must take one of expected arg types (or supertype)
Class<?> actualArgType = am.getParameterClass(0);
for (Class<?> expArgType : expArgTypes) {
// And one that matches what we would pass in
if (actualArgType.isAssignableFrom(expArgType)) {
return am.getAnnotated();
}
}
}
}
return null;
}