At runtime, find all classes in a Java application that extend a base class

Question

I want to do something like this:

List animals = new ArrayList();

for( Class c: list_of_all_classes_available_to_my_app() )
   i         


        

Answer 1

Using OpenPojo you can do the following:

String package = "com.mycompany";
List animals = new ArrayList();

for(PojoClass pojoClass : PojoClassFactory.enumerateClassesByExtendingType(package, Animal.class, null) {
  animals.add((Animal) InstanceFactory.getInstance(pojoClass));
}