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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.
#
#
#
# This Python code implements a simple SCA component that
# manages Customer resources.
#
import os
import shutil
from xml.etree import ElementTree as et
qname = "{http://sample.customer}id"
dir = os.environ["CUSTOMER_DIR"]
class CustomerResourceImpl:
"A class that manages Customer resources"
def create(self, customer):
id = customer.findtext(qname)
print "Python - CustomerResourceImpl.create " + id
f = open(dir + "/" + id + ".xml", "w")
f.write(et.tostring(customer))
f.close()
return id
def retrieve(self, id):
print "Python - CustomerResourceImpl.retrieve " + id
f = open(dir + "/" + id + ".xml", "r")
customer = et.fromstring(f.read())
f.close()
return customer
def update(self, id, customer):
print "Python - CustomerResourceImpl.update " + id
f = open(dir + "/" + id + ".xml", "w")
f.write(et.tostring(customer))
f.close()
def delete(self, id):
print "Python - CustomerResourceImpl.delete " + id
shutil.copyfile(dir + "/" + id + ".xml", dir + "/" + id + "-bak.xml")
os.remove(dir + "/" + id + ".xml")
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