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=begin
SOAP4R - SOAP RPC driver
Copyright (C) 2000, 2001, 2003 NAKAMURA, Hiroshi.
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PRATICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 675 Mass
Ave, Cambridge, MA 02139, USA.
=end
require 'soap/soap'
require 'soap/mapping'
require 'soap/rpc/rpc'
require 'soap/rpc/proxy'
require 'soap/rpc/element'
require 'soap/streamHandler'
module SOAP
module RPC
class Driver
public
class EmptyResponseError < Error; end
attr_accessor :mapping_registry
attr_accessor :soapaction
attr_reader :endpoint_url
attr_reader :wiredump_dev
attr_reader :wiredump_file_base
attr_reader :httpproxy
def initialize(endpoint_url, namespace, soapaction = nil)
@endpoint_url = endpoint_url
@namespace = namespace
@mapping_registry = nil # for unmarshal
@soapaction = soapaction
@wiredump_dev = nil
@wiredump_file_base = nil
@httpproxy = ENV['httpproxy'] || ENV['HTTP_PROXY']
@handler = HTTPPostStreamHandler.new(@endpoint_url, @httpproxy,
XSD::Charset.encoding_label)
@proxy = Proxy.new(@handler, @soapaction)
@proxy.allow_unqualified_element = true
end
def endpoint_url=(endpoint_url)
@endpoint_url = endpoint_url
if @handler
@handler.endpoint_url = @endpoint_url
@handler.reset
end
end
def wiredump_dev=(dev)
@wiredump_dev = dev
if @handler
@handler.wiredump_dev = @wiredump_dev
@handler.reset
end
end
def wiredump_file_base=(base)
@wiredump_file_base = base
end
def httpproxy=(httpproxy)
@httpproxy = httpproxy
if @handler
@handler.proxy = @httpproxy
@handler.reset
end
end
def default_encodingstyle
@proxy.default_encodingstyle
end
def default_encodingstyle=(encodingstyle)
@proxy.default_encodingstyle = encodingstyle
end
###
## Method definition interfaces.
#
# params: [[param_def...]] or [paramname, paramname, ...]
# param_def: See proxy.rb. Sorry.
def add_method(name, *params)
add_method_with_soapaction_as(name, name, @soapaction, *params)
end
def add_method_as(name, name_as, *params)
add_method_with_soapaction_as(name, name_as, @soapaction, *params)
end
def add_method_with_soapaction(name, soapaction, *params)
add_method_with_soapaction_as(name, name, soapaction, *params)
end
def add_method_with_soapaction_as(name, name_as, soapaction, *params)
param_def = if params.size == 1 and params[0].is_a?(Array)
params[0]
else
SOAPMethod.create_param_def(params)
end
qname = XSD::QName.new(@namespace, name_as)
@proxy.add_method(qname, soapaction, name, param_def)
add_rpc_method_interface(name, param_def)
end
###
## Driving interface.
#
def invoke(headers, body)
if @wiredump_file_base
@handler.wiredump_file_base =
@wiredump_file_base + '_' << body.elename.name
end
@proxy.invoke(headers, body)
end
def call(name, *params)
# Convert parameters: params array => SOAPArray => members array
params = Mapping.obj2soap(params, @mapping_registry).to_a
if @wiredump_file_base
@handler.wiredump_file_base = @wiredump_file_base + '_' << name
end
# Then, call @proxy.call like the following.
header, body = @proxy.call(nil, name, *params)
unless body
raise EmptyResponseError.new("Empty response.")
end
begin
@proxy.check_fault(body)
rescue SOAP::FaultError => e
Mapping.fault2exception(e)
end
ret = body.response ? Mapping.soap2obj(body.response, @mapping_registry) : nil
if body.outparams
outparams = body.outparams.collect { |outparam| Mapping.soap2obj(outparam) }
return [ret].concat(outparams)
else
return ret
end
end
def reset_stream
@handler.reset
end
private
def add_rpc_method_interface(name, param_def)
param_names = []
i = 0
@proxy.method[name].each_param_name(RPC::SOAPMethod::IN,
RPC::SOAPMethod::INOUT) do |param_name|
i += 1
param_names << "arg#{ i }"
end
callparam = (param_names.collect { |pname| ", " + pname }).join
self.instance_eval <<-EOS
def #{ name }(#{ param_names.join(", ") })
call("#{ name }"#{ callparam })
end
EOS
end
end
end
end
|
