Added readme files to the examples.

Minor changes in various ecf file and code.
Moved filter example under _update_needed since it has obsolete code.

examples/upload_image/README.md

@@ -0,0 +1,6 @@
+Uploading file example
+======================
+
+This example shows how to handle file uploading, and also how to use the `WSF_FILE_SYSTEM_HANDLER` to serve local files (i.e a file server component).
+It also uses the `WSF_ROUTER` component to route URL based on URI-template declaration.
+

examples/upload_image/src/image_uploader.e

@@ -8,12 +8,8 @@ class
 	IMAGE_UPLOADER
 
 inherit
-	ANY
-
 	WSF_DEFAULT_SERVICE [IMAGE_UPLOADER_EXECUTION]
 
-	SHARED_EXECUTION_ENVIRONMENT
-
 create
 	make
 

examples/upload_image/src/image_uploader_execution.e

@@ -1,6 +1,5 @@
 note
 	description: "Summary description for {IMAGE_UPLOADER_EXECUTION}."
-	author: ""
 	date: "$Date$"
 	revision: "$Revision$"
 
@@ -11,8 +10,6 @@ inherit
 	WSF_ROUTED_SKELETON_EXECUTION
 		undefine
 			requires_proxy
-		redefine
-			initialize
 		end
 
 	WSF_NO_PROXY_POLICY
@@ -26,12 +23,6 @@ create
 
 feature {NONE} -- Initialization
 
-	initialize
-		do
-			Precursor
-			initialize_router
-		end
-
 	setup_router
 			-- Setup router
 		local
@@ -186,32 +177,21 @@ feature {NONE} -- Encoder
 
 	new_temporary_output_file (n: detachable READABLE_STRING_8): detachable FILE
 		local
+			ut: WSF_FILE_UTILITIES [RAW_FILE]
 			bp: detachable PATH
 			d: DIRECTORY
-			i: INTEGER
 		do
 			create bp.make_current
 			create d.make_with_path (bp)
 			if not d.exists then
 				d.recursive_create_dir
 			end
+
+			create ut
 			if n /= Void then
-				bp := bp.extended ("tmp-download-" + n)
+				Result := ut.new_temporary_file (d, Void, n)
 			else
-				bp := bp.extended ("tmp")
-			end
-			from
-				i := 0
-			until
-				Result /= Void or i > 100
-			loop
-				i := i + 1
-				create {RAW_FILE} Result.make_with_path (bp.appended ("__" + i.out))
-				if Result.exists then
-					Result := Void
-				else
-					Result.open_write
-				end
+				Result := ut.new_temporary_file (d, "tmp", Void)
 			end
 		ensure
 			Result /= Void implies Result.is_open_write