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# SOAP4R - SOAP handler servlet for WEBrick
# Copyright (C) 2001, 2002, 2003 NAKAMURA, Hiroshi <nahi@ruby-lang.org>.
# This program is copyrighted free software by NAKAMURA, Hiroshi. You can
# redistribute it and/or modify it under the same terms of Ruby's license;
# either the dual license version in 2003, or any later version.
require 'webrick/httpservlet/abstract'
require 'webrick/httpstatus'
require 'soap/rpc/router'
require 'soap/streamHandler'
module SOAP
module RPC
class SOAPlet < WEBrick::HTTPServlet::AbstractServlet
public
attr_reader :app_scope_router
def initialize
@router_map = {}
@app_scope_router = ::SOAP::RPC::Router.new(self.class.name)
end
# Add servant klass whose object has request scope. A servant object is
# instantiated for each request.
#
# Bare in mind that servant klasses are distinguished by HTTP SOAPAction
# header in request. Client which calls request-scoped servant must have a
# SOAPAction header which is a namespace of the servant klass.
# I mean, use Driver#add_method_with_soapaction instead of Driver#add_method
# at client side.
#
def add_rpc_request_servant(klass, namespace, mapping_registry = nil)
router = RequestRouter.new(klass, namespace, mapping_registry)
add_router(namespace, router)
end
# Add servant object which has application scope.
def add_rpc_servant(obj, namespace)
router = @app_scope_router
SOAPlet.add_servant_to_router(router, obj, namespace)
add_router(namespace, router)
end
alias add_servant add_rpc_servant
###
## Servlet interfaces for WEBrick.
#
def get_instance(config, *options)
@config = config
self
end
def require_path_info?
false
end
def do_GET(req, res)
res.header['Allow'] = 'POST'
raise WEBrick::HTTPStatus::MethodNotAllowed, "GET request not allowed."
end
def do_POST(req, res)
namespace = parse_soapaction(req.meta_vars['HTTP_SOAPACTION'])
router = lookup_router(namespace)
is_fault = false
charset = ::SOAP::StreamHandler.parse_media_type(req['content-type'])
begin
response_stream, is_fault = router.route(req.body, charset)
rescue Exception => e
response_stream = router.create_fault_response(e)
is_fault = true
end
res.body = response_stream
res['content-type'] = "text/xml; charset=\"#{charset}\""
if response_stream.is_a?(IO)
res.chunked = true
end
if is_fault
res.status = WEBrick::HTTPStatus::RC_INTERNAL_SERVER_ERROR
end
end
private
class RequestRouter < ::SOAP::RPC::Router
def initialize(klass, namespace, mapping_registry = nil)
super(namespace)
if mapping_registry
self.mapping_registry = mapping_registry
end
@klass = klass
@namespace = namespace
end
def route(soap_string)
obj = @klass.new
namespace = self.actor
router = ::SOAP::RPC::Router.new(@namespace)
SOAPlet.add_servant_to_router(router, obj, namespace)
router.route(soap_string)
end
end
def add_router(namespace, router)
@router_map[namespace] = router
end
def parse_soapaction(soapaction)
if /^"(.*)"$/ =~ soapaction
soapaction = $1
end
if soapaction.empty?
return nil
end
soapaction
end
def lookup_router(namespace)
if namespace
@router_map[namespace] || @app_scope_router
else
@app_scope_router
end
end
class << self
public
def add_servant_to_router(router, obj, namespace)
::SOAP::RPC.defined_methods(obj).each do |name|
add_servant_method_to_router(router, obj, namespace, name)
end
end
def add_servant_method_to_router(router, obj, namespace, name)
qname = XSD::QName.new(namespace, name)
soapaction = nil
method = obj.method(name)
param_def = ::SOAP::RPC::SOAPMethod.create_param_def(
(1..method.arity.abs).collect { |i| "p#{ i }" })
router.add_method(obj, qname, soapaction, name, param_def)
end
end
end
end
end
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