From 4f62da8f903909cfa7a80d7e8a0340feca03e96e Mon Sep 17 00:00:00 2001
From: Colin Adams <colinpauladams@gmail.com>
Date: Tue, 18 Nov 2014 10:37:36 +0000
Subject: [PATCH] Issue #144 (Add last_modified to WSF_SKELETON_HANDLER)

---
 library/server/wsf/policy_driven/wsf_get_helper.e      |  4 ++++
 .../server/wsf/policy_driven/wsf_skeleton_handler.e    | 10 ++++++++++
 2 files changed, 14 insertions(+)

diff --git a/library/server/wsf/policy_driven/wsf_get_helper.e b/library/server/wsf/policy_driven/wsf_get_helper.e
index 909f52c4..96d4b144 100644
--- a/library/server/wsf/policy_driven/wsf_get_helper.e
+++ b/library/server/wsf/policy_driven/wsf_get_helper.e
@@ -49,6 +49,10 @@ feature {NONE} -- Implementation
 			if attached a_handler.etag (req) as l_etag then
 				a_header.put_header_key_value ({HTTP_HEADER_NAMES}.header_etag, l_etag)
 			end
+			if attached a_handler.last_modified (req) as l_last_modified then
+				l_dt := (create {HTTP_DATE}.make_from_date_time (l_last_modified)).rfc1123_string
+				a_header.put_header_key_value ({HTTP_HEADER_NAMES}.header_last_modified, l_dt)
+			end
 			res.put_header_text (a_header.string)
 			if l_ok then
 				if l_chunked then
diff --git a/library/server/wsf/policy_driven/wsf_skeleton_handler.e b/library/server/wsf/policy_driven/wsf_skeleton_handler.e
index d4b5bb79..a094cf3c 100644
--- a/library/server/wsf/policy_driven/wsf_skeleton_handler.e
+++ b/library/server/wsf/policy_driven/wsf_skeleton_handler.e
@@ -166,6 +166,16 @@ feature -- Access
 			req_attached: req /= Void
 		deferred
 		end
+	
+	last_modified (req: WSF_REQUEST): detachable DATE_TIME
+			-- When representation of resource selected in `req' was last modified;
+			-- SHOULD be set whenever it can reasonably be determined.
+		note
+			specification: "https://tools.ietf.org/html/rfc7232#section-2.2.1"
+		require
+			req_attached: req /= Void
+		deferred
+		end
 
 	modified_since (req: WSF_REQUEST; a_date_time: DATE_TIME): BOOLEAN
 			-- Has resource requested in `req' been modified since `a_date_time' (UTC)?