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# -*- coding: utf-8 -*-
#
# Example of user-defined component.
#
# Author:Just van den Broecke
from stetl.util import Util
from stetl.filter import Filter
from stetl.packet import FORMAT
from stetl.factory import factory
log = Util.get_log("osfilter")
class OrdSurveyGmlFilter(Filter):
# Constructor
def __init__(self, configdict, section):
Filter.__init__(self, configdict, section, consumes=FORMAT.etree_element, produces=FORMAT.etree_element)
# Create specific preparer object from given class name string
self.prep_class = self.cfg.get('prep_class')
self.prep_class = factory.class_forname(self.prep_class)
self.preparer = self.prep_class('stetl')
def invoke(self, packet):
if packet.data is None:
return packet
# trivial implementation: Just let Astuntech osmgml preparer do the work
feat_elm = packet.data[0]
self.preparer._prepare_feat_elm(feat_elm)
return packet
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