def __instancecheck__(self, inst):
"""Called to check if an object is an instance of this class.
"""
if isinstance(inst, _JavaObject):
return _pyjava.issubclass(
inst.__dict__['_pyjava_class'].__dict__['_pyjava_javaclass'],
self.__dict__['_pyjava_javaclass'])
else:
return False
def test_issubclass(self):
"""Requests well-known classes and tests issubclass().
"""
Object = _pyjava.getclass('java/lang/Object')
String = _pyjava.getclass('java/lang/String')
Class = _pyjava.getclass('java/lang/Class')
self.assertTrue(_pyjava.issubclass(String, String))
self.assertTrue(_pyjava.issubclass(Object, Object))
self.assertTrue(_pyjava.issubclass(Class, Class))
self.assertFalse(_pyjava.issubclass(Object, String))
self.assertFalse(_pyjava.issubclass(String, Class))
self.assertTrue(_pyjava.issubclass(Class, Object))
self.assertFalse(_pyjava.issubclass(Class, String))
self.assertTrue(_pyjava.issubclass(String, Object))
self.assertFalse(_pyjava.issubclass(Object, Class))
def __subclasscheck__(self, other):
"""Called to check if a class is a subclass of this class
"""
if isinstance(other, _JavaClass):
return _pyjava.issubclass(other.__dict__['_pyjava_javaclass'],
self.__dict__['_pyjava_javaclass'])
elif isinstance(other, type): # A non-Java class
return False
else: # Not a class
raise TypeError("issubclass() arg 2 must be a class")