* http://cs.unibo.it/helm/.
*)
+(* $Id$ *)
+
open Http_getter_types
let send cmd =
try
ignore (Http_user_agent.get cmd)
- with e -> raise (Http_client_error (cmd, Printexc.to_string e))
+ with exn -> raise (Http_client_error (cmd, Printexc.to_string exn))
-let get uri =
+let get url =
try
- Http_user_agent.get uri
- with e -> raise (Http_client_error (Printexc.to_string e, uri))
+ Http_user_agent.get url
+ with exn -> raise (Http_client_error (Printexc.to_string exn, url))
-let get_and_save uri dest_filename =
+let get_and_save url dest_filename =
let out_channel = open_out dest_filename in
- Http_user_agent.get_iter (output_string out_channel) uri;
+ (try
+ Http_user_agent.get_iter (output_string out_channel) url;
+ with exn ->
+ close_out out_channel;
+ Sys.remove dest_filename;
+ raise (Http_client_error (Printexc.to_string exn, url)));
close_out out_channel
-let get_and_save_to_tmp uri =
+let get_and_save_to_tmp url =
let flat_string s s' c =
let cs = String.copy s in
for i = 0 to (String.length s) - 1 do
if String.contains s' s.[i] then cs.[i] <- c
- done ;
+ done;
cs
in
let user = try Unix.getlogin () with _ -> "" in
let tmp_file =
- Filename.temp_file (user ^ flat_string uri ".-=:;!?/&" '_') ""
+ Filename.temp_file (user ^ flat_string url ".-=:;!?/&" '_') ""
in
- get_and_save uri tmp_file ;
+ get_and_save url tmp_file;
tmp_file
+let exists url =
+ try
+ ignore (Http_user_agent.head url);
+ true
+ with Http_user_agent.Http_error _ -> false
+