First pass at 'Application' section

content/docs/application.md

@@ -78,35 +78,33 @@ This limitation can easily be overcome with the [App::boxed](https://docs.rs/act
 
 {{< include-example example="application" file="state.rs" section="combine" >}}
 
-## Using an Application Prefix to Compose Applications
+## Using an Application Scope to Compose Applications
 
-The `App::prefix()` method allows to set a specific application prefix.
-This prefix represents a resource prefix that will be prepended to all resource patterns added
+The `web::wcope()` method allows to set a specific application prefix.
+This scope represents a resource prefix that will be prepended to all resource patterns added
 by the resource configuration. This can be used to help mount a set of routes at a different
 location than the included callable's author intended while still maintaining the same
 resource names.
 
 For example:
 
-{{< include-example example="url-dispatch" file="prefix.rs" section="prefix" >}}
+{{< include-example example="url-dispatch" file="scope.rs" section="scope" >}}
 
 In the above example, the *show_users* route will have an effective route pattern of
-*/users/show* instead of */show* because the application's prefix argument will be prepended
+*/users/show* instead of */show* because the application's scope argument will be prepended
 to the pattern. The route will then only match if the URL path is */users/show*,
 and when the `HttpRequest.url_for()` function is called with the route name show_users,
 it will generate a URL with that same path.
 
-## Application predicates and virtual hosting
+## Application guards and virtual hosting
 
-You can think of a predicate as a simple function that accepts a *request* object reference
-and returns *true* or *false*. Formally, a predicate is any object that implements the
-[`Predicate`](../actix_web/pred/trait.Predicate.html) trait. Actix provides
-several predicates, you can check
-[functions section](../../actix-web/actix_web/pred/index.html#functions) of api docs.
+You can think of a guard as a simple function that accepts a *request* object reference
+and returns *true* or *false*. Formally, a guard is any object that implements the
+[`Guard`](../actix_web/guard/trait.Guard.html) trait. Actix provides
+several guards, you can check
+[functions section](../../actix-web/actix_web/guard/index.html#functions) of api docs.
 
-Any of this predicates could be used 
-with [`App::filter()`](../actix_web/struct.App.html#method.filter) method. One of the
-provided predicates is [`Host`](../actix_web/pred/fn.Host.html), it can be used
+One of the provided guards is [`Host`](../actix_web/guard/fn.Host.html), it can be used
 as application's filter based on request's host information.
 
 {{< include-example example="application" file="vh.rs" section="vh" >}}

content/docs/getting-started.md

@@ -27,7 +27,6 @@ actix-web = "{{< actix-version "actix-web" >}}"
 
 In order to implement a web server, we first need to create a request handler.
 
-<!-- TODO: Handler has been deprecated -->
 A request handler is a function that accepts an `HttpRequest` instance as its only parameter
 and returns a type that can be converted into `HttpResponse`:
 

content/docs/url-dispatch.md

@@ -391,7 +391,7 @@ resource names.
 
 For example:
 
-{{< include-example example="url-dispatch" file="prefix.rs" section="prefix" >}}
+{{< include-example example="url-dispatch" file="scope.rs" section="scope" >}}
 
 In the above example, the *show_users* route will have an effective route pattern of
 */users/show* instead of */show* because the application's prefix argument will be prepended

examples/application/Cargo.toml

@@ -1,6 +1,7 @@
 [package]
 name = "application"
 version = "0.7.0"
+edition = "2018"
 workspace = "../"
 
 [dependencies]

examples/application/src/main.rs

@@ -1,36 +1,31 @@
-#![allow(unused)]
-extern crate actix_web;
-use actix_web::{http::Method, server, App, HttpRequest, HttpResponse, Responder};
+#![allow(unused_variables)]
+use actix_web::{web, App, HttpRequest, HttpResponse, HttpServer, Responder};
 
 mod state;
 mod vh;
 
+#[rustfmt::skip]
 fn make_app() {
+
 // <make_app>
-fn index(req: &HttpRequest) -> impl Responder {
+fn index(_req: HttpRequest) -> impl Responder {
     "Hello world!"
 }
 
 let app = App::new()
-    .prefix("/app")
-    .resource("/index.html", |r| r.method(Method::GET).f(index))
-    .finish()
+    .service(web::scope("/app").route("/index.html", web::get().to(index)));
 // </make_app>
-;
+
 }
 
+#[rustfmt::skip]
 fn run_server() {
 // <run_server>
-let server = server::new(|| {
-    vec![
+let server = HttpServer::new(|| {
     App::new()
-            .prefix("/app1")
-            .resource("/", |r| r.f(|r| HttpResponse::Ok())),
-        App::new()
-            .prefix("/app2")
-            .resource("/", |r| r.f(|r| HttpResponse::Ok())),
-        App::new().resource("/", |r| r.f(|r| HttpResponse::Ok())),
-    ]
+        .service(web::scope("/app1").route("/", web::to(|| HttpResponse::Ok())))
+        .service(web::scope("/app2").route("/", web::to(|| HttpResponse::Ok())))
+        .route("/", web::to(|| HttpResponse::Ok()))
 });
 // </run_server>
 }

examples/application/src/state.rs

@@ -1,5 +1,6 @@
+#![allow(dead_code, unused)]
 // <setup>
-use actix_web::{http, App, HttpRequest};
+use actix_web::{web, App, HttpRequest, HttpResponse, HttpServer};
 use std::cell::Cell;
 
 // This struct represents state
@@ -7,38 +8,41 @@ struct AppState {
     counter: Cell<usize>,
 }
 
-fn index(req: &HttpRequest<AppState>) -> String {
-    let count = req.state().counter.get() + 1; // <- get count
-    req.state().counter.set(count); // <- store new count in state
+fn index(data: web::Data<AppState>) -> String {
+    let count = data.counter.get() + 1; // <- get count
+    data.counter.set(count); // <- store new count in state
 
     format!("Request number: {}", count) // <- response with count
 }
 // </setup>
 
+#[rustfmt::skip]
 fn make_app() {
 // <make_app>
-App::with_state(AppState { counter: Cell::new(0) })
-    .resource("/", |r| r.method(http::Method::GET).f(index))
-    .finish()
+App::new()
+    .data( AppState { counter: Cell::new(0) })
+    .route("/", web::get().to(index));
 // </make_app>
-;
 }
 
+#[rustfmt::skip]
 fn start_app() {
 // <start_app>
-server::new(|| {
-    App::with_state(AppState { counter: Cell::new(0) })
-        .resource("/", |r| r.method(http::Method::GET).f(index))
-}).bind("127.0.0.1:8080")
+HttpServer::new(|| {
+    App::new()
+        .data( AppState { counter: Cell::new(0) })
+        .route("/", web::get().to(index))
+})
+.bind("127.0.0.1:8088")
 .unwrap()
 .run()
+.unwrap();
 // </start_app>
-;
 }
 
-use actix_web::{server, HttpResponse};
 use std::thread;
 
+#[rustfmt::skip]
 fn combine() {
     thread::spawn(|| {
 // <combine>
@@ -46,20 +50,23 @@ struct State1;
 struct State2;
 
 fn main() {
-    server::new(|| {
-        vec![
-            App::with_state(State1)
-                .prefix("/app1")
-                .resource("/", |r| r.f(|r| HttpResponse::Ok()))
-                .boxed(),
-            App::with_state(State2)
-                .prefix("/app2")
-                .resource("/", |r| r.f(|r| HttpResponse::Ok()))
-                .boxed(),
-                ]
-    }).bind("127.0.0.1:8080")
+    HttpServer::new(|| {
+        App::new()
+            .data(State1)
+            .data(State2)
+            .service(
+                web::scope("/app1")
+                    .route("/", web::to(|| HttpResponse::Ok())),
+            )
+            .service(
+                web::scope("/app2")
+                    .route("/", web::to(|| HttpResponse::Ok())),
+            )
+    })
+    .bind("127.0.0.1:8088")
     .unwrap()
     .run()
+    .unwrap();
 }
 // </combine>
     });

examples/application/src/vh.rs

@@ -1,20 +1,22 @@
 #![allow(unused)]
-use actix_web::{http::Method, pred, server, App, HttpRequest, HttpResponse, Responder};
+use actix_web::{guard, web, App, HttpRequest, HttpResponse, HttpServer, Responder};
 
 // <vh>
 fn main() {
-    let server = server::new(|| {
-        vec![
+    HttpServer::new(|| {
         App::new()
-                .filter(pred::Host("www.rust-lang.org"))
-                .resource("/", |r| r.f(|r| HttpResponse::Ok())),
-            App::new()
-                .filter(pred::Host("users.rust-lang.org"))
-                .resource("/", |r| r.f(|r| HttpResponse::Ok())),
-            App::new().resource("/", |r| r.f(|r| HttpResponse::Ok())),
-        ]
-    });
-
-    server.run();
+            .service(
+                web::scope("/")
+                    .guard(guard::Header("Host", "www.rust-lang.org"))
+                    .route("", web::to(|| HttpResponse::Ok())),
+            )
+            .service(
+                web::scope("/")
+                    .guard(guard::Header("Host", "users.rust-lang.org"))
+                    .route("", web::to(|| HttpResponse::Ok())),
+            )
+            .route("/", web::to(|| HttpResponse::Ok()))
+    })
+    .run();
 }
 // </vh>

examples/url-dispatch/Cargo.toml

@@ -9,4 +9,3 @@ actix-web = "1.0"
 futures = "0.1"
 openssl = "0.10"
 serde = "1.0"
-serde_derive = "1.0"

examples/url-dispatch/src/main.rs

@@ -3,7 +3,6 @@ extern crate actix_web;
 extern crate futures;
 extern crate openssl;
 #[macro_use]
-extern crate serde_derive;
 extern crate serde;
 
 mod cfg;
@@ -16,9 +15,9 @@ mod path2;
 mod pbuf;
 mod pred;
 mod pred2;
-mod prefix;
 mod resource;
 mod scope;
+mod scope;
 mod url_ext;
 mod urls;
 

examples/url-dispatch/src/prefix.rs

@@ -1,14 +0,0 @@
-use actix_web::{App, HttpRequest, HttpResponse};
-
-// <prefix>
-fn show_users(req: &HttpRequest) -> HttpResponse {
-    unimplemented!()
-}
-
-fn main() {
-    App::new()
-        .prefix("/users")
-        .resource("/show", |r| r.f(show_users))
-        .finish();
-}
-// </prefix>

examples/url-dispatch/src/scope.rs

@@ -1,54 +1,13 @@
-#![allow(dead_code)]
-use actix_web::{http::Method, App, HttpRequest};
+use actix_web::{App, HttpRequest, HttpResponse};
 
-fn get_projects(_: &HttpRequest) -> String {
-    unimplemented!()
-}
-fn create_project(_: &HttpRequest) -> String {
-    unimplemented!()
-}
-fn update_project(_: HttpRequest) -> String {
-    unimplemented!()
-}
-fn delete_project(_: &HttpRequest) -> String {
-    unimplemented!()
-}
-fn get_tasks(_: &HttpRequest) -> String {
-    unimplemented!()
-}
-fn create_task(_: &HttpRequest) -> String {
-    unimplemented!()
-}
-fn update_task(_: HttpRequest) -> String {
-    unimplemented!()
-}
-fn delete_task(_: HttpRequest) -> String {
-    unimplemented!()
-}
-
-fn main() {
 // <scope>
-App::new().scope("/project", |proj_scope| {
-    proj_scope
-        .resource("", |r| {
-            r.method(Method::GET).f(get_projects);
-            r.method(Method::POST).f(create_project)
-        })
-        .resource("/{project_id}", |r| {
-            r.method(Method::PUT).with(update_project);
-            r.method(Method::DELETE).f(delete_project)
-        })
-        .nested("/{project_id}/task", |task_scope| {
-            task_scope
-                .resource("", |r| {
-                    r.method(Method::GET).f(get_tasks);
-                    r.method(Method::POST).f(create_task)
-                })
-                .resource("/{task_id}", |r| {
-                    r.method(Method::PUT).with(update_task);
-                    r.method(Method::DELETE).with(delete_task)
-                })
-        })
-});
-// </scope>
+fn show_users(_req: HttpRequest) -> HttpResponse {
+    unimplemented!()
 }
+
+#[rustfmt::skip]
+fn main() {
+    App::new().service(
+        web::scope("/users") .route("/show", web::to(show_users)))
+}
+// </scope>