def _getJavaMethods(javaclass,inherited=False,regexp=None,argTypes=None,methodFilterFun=None,natives=False):
""" returns java methods from a metaclass
regexp : None or a regular expression to filter method names (e.g. "^get|is")
methodFilterFun : None or a predicate on a java.lang.reflect.Method object that will be used to filter methods
"""
try:
javaMethods = javaclass.getMethods() if inherited else javaclass.getDeclaredMethods()
except:
# it seems that the code above fail in some case
javaMethods = []
if not natives:
# remove methods starting with _ which seems to be natives ones
# (should be improved using getModifiers instead ...)
javaMethods = reject(lambda m:m.getName().startswith('-'), javaMethods)
if regexp is not None:
javaMethods = filter(lambda m:re.match(regexp,m.getName()), javaMethods)
if argTypes is not None:
javaMethods = filter(lambda m:list(m.getParameterTypes())==list(argTypes), javaMethods)
if methodFilterFun is not None:
javaMethods = filter(methodFilterFun,javaMethods)
return javaMethods
def getSlotList(self,emptySlots=True):
slots = self._getSlotList()
if not emptySlots:
slots = reject(MetaFeatureSlot.isEmpty,slots)
return slots
