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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.
#
import xml.etree.ElementTree, os.path, os
def getAlertConfig ():
# Set up some default config data
configData = "<config xmlns=\"http://tuscany.apache.org/samples/alerter\">\n</config>"
if os.path.isfile(os.environ['TUSCANY_SCACPP_ROOT']+"/config.xml"):
# Retrieve the configuration from a file
f = open(os.environ['TUSCANY_SCACPP_ROOT']+"/config.xml")
try:
configData = f.read()
finally:
f.close()
configElem = xml.etree.ElementTree.XML(configData)
return configElem
def getSourceConfig (sourceId):
configElem = getAlertConfig()
for sourceElem in configElem.findall("./{http://tuscany.apache.org/samples/alerter}source"):
if sourceElem.attrib["id"] == sourceId:
return sourceElem
print "Source with id matching",sourceId,"not found"
return
def updateSourceConfig (alertSourceConfigElem):
configElem = getAlertConfig()
sourceId = alertSourceConfigElem.attrib["id"]
for sourceElem in configElem.findall("./{http://tuscany.apache.org/samples/alerter}source"):
if sourceElem.attrib["id"] == sourceId:
configElem.remove(sourceElem)
configElem.append(alertSourceConfigElem)
saveConfigData(configElem)
return
print "Source with id matching",sourceId,"not found"
return
def addSourceConfig (alertSourceConfigElem):
configElem = getAlertConfig()
#check for source ID, make sure it's not the same as others and create one if it's missing
if "id" in alertSourceConfigElem.attrib:
configId = alertSourceConfigElem.attrib["id"]
else:
configId = "0"
gotConfigId = False
while gotConfigId == False:
config = getSourceConfig(configId)
if config:
configId = str( int(configId)+1 )
else:
gotConfigId = True
alertSourceConfigElem.attrib["id"] = configId
configElem.append(alertSourceConfigElem)
saveConfigData(configElem)
return configId
def saveConfigData (configElem):
configData = xml.etree.ElementTree.tostring(configElem)
# Save the configuration to a file
f = open(os.environ['TUSCANY_SCACPP_ROOT']+"/config.xml", "w")
if not f:
print "Failed to open config file for writing"
try:
f.write(configData)
finally:
f.close()
def removeSourceConfig(sourceId):
configElem = getAlertConfig()
for sourceElem in configElem.findall("./{http://tuscany.apache.org/samples/alerter}source"):
if sourceElem.attrib["id"] == sourceId:
configElem.remove(sourceElem)
saveConfigData(configElem)
return
# # Testing
# if os.path.isfile("config.xml"):
# os.remove("config.xml")
# data = getAlertConfig()
# print xml.etree.ElementTree.tostring(data), "\n"
#
# newsrcxml = "<source xmlns=\"http://tuscany.apache.org/samples/alerter\" type=\"rss\" id=\"0\">\n"
# newsrcxml += "<name>PSP Updates</name>\n"
# newsrcxml += "<address>http://pspupdates.qj.net</address>\n"
# newsrcxml += "<feedAddress>http://pspupdates.qj.net/rss.xml</feedAddress></source>"
#
# newsrc = xml.etree.ElementTree.XML(newsrcxml)
# ID = addSourceConfig(newsrc)
# print "Added src with ID:", ID, "\n"
#
# newsrcxml = "<source xmlns=\"http://tuscany.apache.org/samples/alerter\" type=\"rss\" id=\"1\">\n"
# newsrcxml += "<name>PSP Updates</name>\n"
# newsrcxml += "<address>http://pspupdates.qj.net!</address>\n"
# newsrcxml += "<feedAddress>http://pspupdates.qj.net/atom.xml</feedAddress></source>"
#
# newsrc = xml.etree.ElementTree.XML(newsrcxml)
# ID = addSourceConfig(newsrc)
# print "Added src with ID:", ID, "\n"
#
# data = getAlertConfig()
# print xml.etree.ElementTree.tostring(data), "\n"
#
# data = getSourceConfig("0")
# print xml.etree.ElementTree.tostring(data), "\n"
# print dir(data), "\n"
#
# name = data.find("./{http://tuscany.apache.org/samples/alerter}name")
# name.text = "Hello world!"
#
# updateSourceConfig(data)
# data = getSourceConfig("1")
# print xml.etree.ElementTree.tostring(data), "\n"
#
# removeSourceConfig("1")
# data = getAlertConfig()
# print xml.etree.ElementTree.tostring(data), "\n"
#
# ID = addSourceConfig(newsrc)
# print "Added src with ID:", ID, "\n"
#
# ID = addSourceConfig(newsrc)
# print "Added src with ID:", ID, "\n"
#
# data = getAlertConfig()
# print xml.etree.ElementTree.tostring(data), "\n"
#
#
# newsrcxml = "<source xmlns=\"http://tuscany.apache.org/samples/alerter\" type=\"rss\">\n"
# newsrcxml += "<name>PSP Updates</name>\n"
# newsrcxml += "<address>http://pspupdates.qj.net!</address>\n"
# newsrcxml += "<feedAddress>http://pspupdates.qj.net/atom.xml</feedAddress></source>"
#
# newsrc = xml.etree.ElementTree.XML(newsrcxml)
# ID = addSourceConfig(newsrc)
# print "Added src with ID:", ID, "\n"
#
# data = getAlertConfig()
# print xml.etree.ElementTree.tostring(data), "\n"
#
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