def registerClassImplementation(classname, proto):
""" (internal) Add an implementation for a class
Use @JImplementationFor(cls) to access this.
"""
if classname in _JP_IMPLEMENTATIONS:
_JP_IMPLEMENTATIONS[classname].append(proto)
else:
_JP_IMPLEMENTATIONS[classname] = [proto]
# If we have already created a class, apply it retroactively.
if _jpype._hasClass(classname):
_applyCustomizerPost(_jpype._getClass(classname), proto)
def registerClassBase(name, cls):
""" (internal) Add an implementation for a class
Use @JImplementationFor(cls, base=True) to access this.
"""
if name in _JP_BASES:
_JP_BASES[name].append(cls)
else:
_JP_BASES[name] = [cls]
# Changing the base class in python can break things,
# so we will tag this as an error for now.
if _jpype._hasClass(name):
raise TypeError(
"Base classes must be added before class is created")
def testModuleHasClass(self):
self.assertTrue(_jpype._hasClass("java.lang.Object"))
def testHasClass(self):
with self.assertRaisesRegex(TypeError, "not found"):
_jpype._hasClass("not.a.class")
with self.assertRaisesRegex(TypeError, "str is required"):
_jpype._hasClass(object())
def testHasClass(self):
self.assertTrue(_jpype._hasClass("java.lang.String"))
with self.assertRaises(TypeError):
_jpype._hasClass(object())