# ====================================================================
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.
# ====================================================================

import sys

class ClassLoader(object):

    def loadClass(cls, name, module=None):

        if module is None:
            lastDot = name.rindex('.')
            module = name[:lastDot]
            name = name[lastDot+1:]

        try:
            m = __import__(module, globals(), locals(), name)
        except ImportError:
            raise
        except SyntaxError:
            raise
        except:
            x, value, traceback = sys.exc_info()
            raise ImportError, value, traceback

        try:
            return getattr(m, name)
        except AttributeError:
            raise ImportError, "Module %s has no class %s" %(module, name)

    loadClass = classmethod(loadClass)