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require 'soap/rpc/driver'
class ClientFilter1 < SOAP::Filter::Handler
# 1 -> 2
def on_outbound(envelope, opt)
param = envelope.body.root_node.inparam
param["amt"] = SOAP::SOAPInt.new(param["amt"].data + 1)
param["amt"].elename = XSD::QName.new(nil, 'amt')
envelope
end
# 31 -> 32
def on_inbound(xml, opt)
xml = xml.sub(/31/, '32')
xml
end
end
class ClientFilter2 < SOAP::Filter::Handler
# 2 -> 4
def on_outbound(envelope, opt)
param = envelope.body.root_node.inparam
param["amt"] = SOAP::SOAPInt.new(param["amt"].data * 2)
param["amt"].elename = XSD::QName.new(nil, 'amt')
envelope
end
# 30 -> 31
def on_inbound(xml, opt)
xml = xml.sub(/30/, '31')
xml
end
end
client = SOAP::RPC::Driver.new("http://localhost:7171", "urn:filter")
client.add_method('echo', 'amt')
client.filterchain << ClientFilter1.new
client.filterchain << ClientFilter2.new
p client.echo(1)
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