actix examples in actix release version

multipart/src/main.rs

@@ -0,0 +1,61 @@
+#![allow(unused_variables)]
+extern crate actix;
+extern crate actix_web;
+extern crate env_logger;
+extern crate futures;
+
+use actix::*;
+use actix_web::{
+    http, middleware, multipart, server,
+    App, AsyncResponder, HttpRequest, HttpResponse, HttpMessage, Error};
+
+use futures::{Future, Stream};
+use futures::future::{result, Either};
+
+
+fn index(req: HttpRequest) -> Box<Future<Item=HttpResponse, Error=Error>>
+{
+    println!("{:?}", req);
+
+    req.multipart()            // <- get multipart stream for current request
+        .from_err()            // <- convert multipart errors
+        .and_then(|item| {     // <- iterate over multipart items
+            match item {
+                // Handle multipart Field
+                multipart::MultipartItem::Field(field) => {
+                    println!("==== FIELD ==== {:?}", field);
+
+                    // Field in turn is stream of *Bytes* object
+                    Either::A(
+                        field.map_err(Error::from)
+                            .map(|chunk| {
+                                println!("-- CHUNK: \n{}",
+                                         std::str::from_utf8(&chunk).unwrap());})
+                            .finish())
+                },
+                multipart::MultipartItem::Nested(mp) => {
+                    // Or item could be nested Multipart stream
+                    Either::B(result(Ok(())))
+                }
+            }
+        })
+        .finish()  // <- Stream::finish() combinator from actix
+        .map(|_| HttpResponse::Ok().into())
+        .responder()
+}
+
+fn main() {
+    ::std::env::set_var("RUST_LOG", "actix_web=info");
+    let _ = env_logger::init();
+    let sys = actix::System::new("multipart-example");
+
+    server::new(
+        || App::new()
+            .middleware(middleware::Logger::default()) // <- logger
+            .resource("/multipart", |r| r.method(http::Method::POST).a(index)))
+        .bind("127.0.0.1:8080").unwrap()
+        .start();
+
+    println!("Starting http server: 127.0.0.1:8080");
+    let _ = sys.run();
+}