First try to get a limited WGI_ and use WSF_ as default framework

library/server/wsf/src/support/wsf_error.e

@@ -0,0 +1,66 @@
+note
+	description: "Summary description for {WSF_ERROR}."
+	legal: "See notice at end of class."
+	status: "See notice at end of class."
+	date: "$Date$"
+	revision: "$Revision$"
+
+class
+	WSF_ERROR
+
+inherit
+	ERROR
+
+	HTTP_STATUS_CODE_MESSAGES
+
+create
+	make
+
+feature {NONE} -- Initialization
+
+	make (a_code: INTEGER)
+		do
+			code := a_code
+			name := "HTTP Error"
+			if attached http_status_code_message (a_code) as m then
+				name := m
+			end
+		end
+
+feature -- Access
+
+	code: INTEGER
+
+	name: STRING
+
+	message: detachable STRING_32
+
+feature -- Element change
+
+	set_message (m: like message)
+			-- Set `message' to `m'
+		require
+			m_attached: m /= Void
+		do
+			message := m
+		end
+
+feature -- Visitor
+
+	process (a_visitor: ERROR_VISITOR)
+			-- Process Current using `a_visitor'.
+		do
+			a_visitor.process_error (Current)
+		end
+
+note
+	copyright: "2011-2011, Eiffel Software and others"
+	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
+	source: "[
+			Eiffel Software
+			5949 Hollister Ave., Goleta, CA 93117 USA
+			Telephone 805-685-1006, Fax 805-685-6869
+			Website http://www.eiffel.com
+			Customer support http://support.eiffel.com
+		]"
+end