From ec03a601811587dd4265667aadd50c101c23b116 Mon Sep 17 00:00:00 2001
From: Leon Breedt <bitserf@gmail.com>
Date: Fri, 18 Feb 2005 23:55:29 +0000
Subject: rename entire package to Action Web Service

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@672 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 .../lib/action_web_service/protocol/abstract.rb    | 128 +++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 actionwebservice/lib/action_web_service/protocol/abstract.rb

(limited to 'actionwebservice/lib/action_web_service/protocol/abstract.rb')

diff --git a/actionwebservice/lib/action_web_service/protocol/abstract.rb b/actionwebservice/lib/action_web_service/protocol/abstract.rb
new file mode 100644
index 0000000000..9199dfe33f
--- /dev/null
+++ b/actionwebservice/lib/action_web_service/protocol/abstract.rb
@@ -0,0 +1,128 @@
+module ActionWebService # :nodoc:
+  module Protocol # :nodoc:
+    CheckedMessage = :checked
+    UncheckedMessage = :unchecked
+
+    class ProtocolError < ActionWebService::ActionWebServiceError # :nodoc:
+    end
+
+    class AbstractProtocol # :nodoc:
+      attr :container_class
+
+      def initialize(container_class)
+        @container_class = container_class
+      end
+
+      def unmarshal_request(protocol_request)
+        raise NotImplementedError
+      end
+
+      def marshal_response(protocol_request, return_value)
+        raise NotImplementedError
+      end
+
+      def marshal_exception(exception)
+        raise NotImplementedError
+      end
+
+      def self.create_protocol_request(container_class, action_pack_request)
+        nil
+      end
+
+      def self.create_protocol_client(api, protocol_name, endpoint_uri, options)
+        nil
+      end
+    end
+
+    class AbstractProtocolMessage # :nodoc:
+      attr_accessor :signature
+      attr_accessor :return_signature
+      attr_accessor :type
+      attr :options
+
+      def initialize(options={})
+        @signature = @return_signature = nil
+        @options = options
+        @type = @options[:type] || CheckedMessage
+      end
+
+      def signature=(value)
+        return if value.nil?
+        @signature = []
+        value.each do |klass|
+          if klass.is_a?(Hash)
+            @signature << klass.values.shift
+          else
+            @signature << klass
+          end
+        end
+        @signature
+      end
+
+      def checked?
+        @type == CheckedMessage
+      end
+
+      def check_parameter_types(values, signature)
+        return unless checked? && signature
+        unless signature.length == values.length
+          raise(ProtocolError, "Signature and parameter lengths mismatch")
+        end
+        (1..signature.length).each do |i|
+          check_compatibility(signature[i-1], values[i-1].class)
+        end
+      end
+
+      def check_compatibility(expected_class, received_class)
+        return if \
+            (expected_class == TrueClass or expected_class == FalseClass) and \
+            (received_class == TrueClass or received_class == FalseClass)
+        unless received_class.ancestors.include?(expected_class) or \
+               expected_class.ancestors.include?(received_class)
+          raise(ProtocolError, "value of type #{received_class.name} is not " +
+                               "compatible with expected type #{expected_class.name}")
+        end
+      end
+    end
+
+    class ProtocolRequest < AbstractProtocolMessage # :nodoc:
+      attr :protocol
+      attr :raw_body
+
+      attr_accessor :web_service_name
+      attr_accessor :public_method_name
+      attr_accessor :content_type
+
+      def initialize(protocol, raw_body, web_service_name, public_method_name, content_type, options={})
+        super(options)
+        @protocol = protocol
+        @raw_body = raw_body
+        @web_service_name = web_service_name
+        @public_method_name = public_method_name
+        @content_type = content_type
+      end
+
+      def unmarshal
+        @protocol.unmarshal_request(self)
+      end
+
+      def marshal(return_value)
+        @protocol.marshal_response(self, return_value)
+      end
+    end
+
+    class ProtocolResponse < AbstractProtocolMessage # :nodoc:
+      attr :protocol
+      attr :raw_body
+
+      attr_accessor :content_type
+
+      def initialize(protocol, raw_body, content_type, options={})
+        super(options)
+        @protocol = protocol
+        @raw_body = raw_body
+        @content_type = content_type
+      end
+    end
+  end
+end
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