Remove n1 Namespace for SOAP4R
I was playing with SOAP4R again lately, as I needed to connect to a web service, and the experience had been smooth, from the code generation using wsdl2ruby up to the part when I tried to connect to the service.
My SOAP request could not be translated by the server, because SOAP4R will automatically append n1, n2, n#…namespace to your elements or attributes, and the service that was expecting elements without n# namepace.
<n1:ServiceContext xmlns:n1="http://domain.com/name">
<n1:UserName>x</n1:UserName>
<n1:UserAccessKey>x</n1:UserAccessKey>
<n1:Password>x</n1:Password>
</n1:ServiceContext>
I thought, to fix this should be easy, by changing some settings when generating the request document, but the problem was, where should I set.
Not being able to find any clue in the rdoc and SOAP4R how-tos, forced me to code-trace like a British spy, but thanks to ruby-debug for making it easier.
And here is the trick, to use default namespace or to remove the default n1, n2, n# namepace, when calling SOAP::RPC::Driver#add_[rpc|document]_operation method, set the elementformdefault or attributeformdefault option to true, for element and attribute namespace handling respectively.
If you are using wsdl2ruby to generate your SOAP::RPC::Driver, edit [ServiceName|default]Driver.rb and append the options to each of the methods generated:
Methods = [
[ "http://domain/ws/ServiceName:Operation", "operationMethod",
[ ["in", "operationMethodRequest", ["::SOAP::SOAPElement", "http://domain.com/ws/ServiceName", "OperationMethodRequest"]],
["out", "OperationMethodResult", ["::SOAP::SOAPElement", "http://domain.com/ws/ServiceName", "OperationMethodResponse"]] ],
{ :request_style => :document, :request_use => :literal,
:response_style => :document, :response_use => :literal, :faults => {},
:elementformdefault => true, :attributeformdefault => true }
],
# Other methods
....
]
If you are like me, most likely you will have quite a number of methods to apply, what you can do is to put a short plug in
init_methods to enable that options for all methods, and that, will be nice and DRY.
[ServiceName|'default']Driver.rb
-------------------------------
def init_methods
Methods.each do |definitions|
# set options to use default namespace instead of using n[#]
opt = definitions.last
opt.merge!({
:elementformdefault => true,
:attributeformdefault => true
})
# rest of the codes generated by wsdl2ruby
if opt[:request_style] == :document
add_document_operation(*definitions)
else
add_rpc_operation(*definitions)
....
end
end
end
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