def merge(self):
firstDomRoot = self.firstXml.getRootNode()
secondDomRoot = self.secondXml.getRootNode()
for action in self.actions:
query = action["Query"]
if action["Policy"] == QUERY_POLICY_BOTH:
if self._initActionBoth(action, query, firstDomRoot, secondDomRoot) is False:
continue
pass
pass
elif action["Policy"] == QUERY_POLICY_ONLY_NEW:
if self._initActionFirst(action, query, firstDomRoot) is False:
continue
pass
pass
else:
ErrorHandler.error("Merge Query Policy not Support %s" % str(action["Policy"]) )
continue
pass
rule = MergeRuleFactory.getRule( action["RuleName"], action["Params"] )
if rule is None:
ErrorHandler.warning( "Merge rule %s don`t exist" % action["RuleName"])
continue
pass
if rule.run() is False:
ErrorHandler.warning( "Merge rule return False %s %s" % (action["RuleName"], query) )
pass
pass
pass
def _initActionBoth(self, action, query, firstDomRoot, secondDomRoot ):
firstResult = query.execute(firstDomRoot)
if firstResult is None:
ErrorHandler.warning( "xml query failed %s on %s" % (query, self.firstXml) )
return False
pass
secondResult = query.execute(secondDomRoot)
if secondResult is None:
ErrorHandler.warning( "xml query failed %s on %s" % (query, self.secondXml) )
return False
pass
if len(secondResult) != len(firstResult):
ErrorHandler.warning( "xml query %s results have incompatible length %i != %i"
% (query, len(secondResult),len(firstResult) ) )
return False
pass
if len(secondResult) != 1:
ErrorHandler.warning( "xml query %s only single row result supported , you got %i"
% (query, len(secondResult) ) )
return False
pass
action["Params"]["FirstXmlInput"] = firstResult[0]
action["Params"]["SecondXmlInput"] = secondResult[0]
return True
pass
def _initActionFirst(self, action, query, firstDomRoot ):
firstResult = query.execute(firstDomRoot)
if firstResult is None:
ErrorHandler.warning( "xml query failed %s on %s" % (query, self.firstXml) )
return False
pass
if len(firstResult) != 1:
ErrorHandler.warning( "xml query %s only single row result supported , you got %i"
% (query, len(firstResult) ) )
return False
pass
action["Params"]["FirstXmlInput"] = firstResult[0]
return True
pass
def merge(self, node1, node2):
#TODO VERY SLOW, IMPROVE SPEED
isParent1 = node1.hasChildren()
isParent2 = node2.hasChildren()
if isParent1 != isParent2:
ErrorHandler.warning("MergeRuleSectionIntelligence:: nodes in different tree has different structure with same tagName new %s, old %s" % (node1,node2) )
return
pass
if isParent1 is True:
self._mergeSection(node1, node2)
pass
else:
self._mergeNodes(node1, node2)
pass
pass
def _onParams( self, params ):
blackList = params.pop("BlackList", None)
self.blackList = []
if blackList is None:
return
pass
for query in blackList:
result = query.execute(self.secondXmlInput)
if result is None:
ErrorHandler.warning("init black list error. graph query doesn`t work %s" % query)
continue
pass
self.blackList.extend(result)
pass
pass
def openDocument(self, pathToXml):
document = None
try:
document = parse(pathToXml)
pass
except IOError as e:
message = "Parser.parseToDom IOError %s in %s " % ( str(e) ,self )
ErrorHandler.warning(message)
return None
pass
except xml.parsers.expat.ExpatError as e:
message = "Parser.parseToDom xml.parsers.expat.ExpatError %s in %s " % (str(e) , self )
ErrorHandler.warning(message)
return None
pass
return document
pass