Added routing condition mapping.

Added WSF_EXECUTE_HANDLER as common ancestor for handler with `execute (WSF_REQUEST, WSF_RESPONSE) ..` routine.
Made more flexible a few routine by accepting ITERABLE instead of ARRAY, and READABLE_STRING_GENERAL when possible.

library/server/wsf/router/support/condition/helpers/wsf_routing_agent_condition.e

@@ -0,0 +1,43 @@
+note
+	description: "Summary description for {WSF_ROUTING_AGENT_CONDITION}."
+	author: ""
+	date: "$Date$"
+	revision: "$Revision$"
+
+class
+	WSF_ROUTING_AGENT_CONDITION
+
+inherit
+	WSF_ROUTING_CONDITION
+
+create
+	make
+
+feature {NONE} -- Initialization
+
+	make (act: like condition)
+		do
+			condition := act
+		end
+
+	condition: FUNCTION [TUPLE [request: WSF_REQUEST], BOOLEAN]
+
+feature -- Status report
+
+	accepted (req: WSF_REQUEST): BOOLEAN
+			-- Does `req` satisfy Current condition?
+		do
+			Result := condition (req)
+		end
+
+note
+	copyright: "2011-2017, Jocelyn Fiat, Javier Velilla, Olivier Ligot, Colin Adams, 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

library/server/wsf/router/support/condition/helpers/wsf_routing_extension_condition.e

@@ -0,0 +1,44 @@
+note
+	description: "[
+			Request path info ends with one of the specified extensions.
+		]"
+	date: "$Date$"
+	revision: "$Revision$"
+
+class
+	WSF_ROUTING_EXTENSION_CONDITION
+
+inherit
+	WSF_ROUTING_CONDITION
+
+create
+	make
+
+feature {NONE} -- Creation
+
+	make (a_extension_list: ITERABLE [READABLE_STRING_GENERAL])
+		do
+			extension_list := a_extension_list
+		end
+
+feature -- Access
+
+	extension_list: ITERABLE [READABLE_STRING_GENERAL]
+
+feature -- Status report
+
+	accepted (req: WSF_REQUEST): BOOLEAN
+			-- Does `req` satisfy Current condition?
+		local
+			l_path: READABLE_STRING_GENERAL
+			i: INTEGER
+		do
+			l_path := req.percent_encoded_path_info
+			i := l_path.last_index_of ('.', l_path.count)
+			if i > 0 then
+				i := i + 1
+				Result := across extension_list as ic some ic.item.same_caseless_characters (l_path, i, l_path.count, 1) end
+			end
+		end
+
+end

library/server/wsf/router/support/condition/helpers/wsf_routing_file_exists_condition.e

@@ -0,0 +1,39 @@
+note
+	description: "[
+			Request path info is associated with existing file.
+		]"
+	date: "$Date$"
+	revision: "$Revision$"
+
+class
+	WSF_ROUTING_FILE_EXISTS_CONDITION
+
+inherit
+	WSF_ROUTING_PATH_EXISTS_CONDITION
+		redefine
+			path_exists
+		end
+
+create
+	make
+
+feature -- Status report
+
+	path_exists (p: PATH): BOOLEAN
+		local
+			fut: FILE_UTILITIES
+		do
+			Result := fut.file_path_exists (p)
+		end
+
+note
+	copyright: "2011-2017, Jocelyn Fiat, Javier Velilla, Olivier Ligot, Colin Adams, 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

library/server/wsf/router/support/condition/helpers/wsf_routing_path_exists_condition.e

@@ -0,0 +1,64 @@
+note
+	description: "[
+			Request path info is associated with existing file or folder.
+		]"
+	date: "$Date$"
+	revision: "$Revision$"
+
+class
+	WSF_ROUTING_PATH_EXISTS_CONDITION
+
+inherit
+	WSF_ROUTING_CONDITION
+
+create
+	make
+
+feature {NONE} -- Creation
+
+	make (a_parent_location: PATH)
+		do
+			parent_location := a_parent_location
+		end
+
+feature -- Access
+
+	parent_location: PATH
+
+feature -- Status report
+
+	path_exists (p: PATH): BOOLEAN
+		local
+			fut: FILE_UTILITIES
+		do
+			Result := fut.file_path_exists (p) or fut.directory_path_exists (p)
+		end
+
+	accepted (req: WSF_REQUEST): BOOLEAN
+			-- Does `req` satisfy Current condition?
+		local
+			l_path: READABLE_STRING_GENERAL
+			p: PATH
+			fut: FILE_UTILITIES
+		do
+			l_path := req.path_info
+			if not l_path.is_empty then
+				if l_path[1] = '/' then
+					l_path := l_path.substring (2, l_path.count)
+				end
+				p := parent_location.extended (l_path)
+				Result := path_exists (p)
+			end
+		end
+
+note
+	copyright: "2011-2017, Jocelyn Fiat, Javier Velilla, Olivier Ligot, Colin Adams, 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