Add the content_types example.

examples/content_types/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "content_types"
+version = "0.0.1"
+authors = ["Sergio Benitez <sb@sergio.bz>"]
+workspace = "../../"
+
+[dependencies]
+rocket = { path = "../../lib" }
+rocket_macros = { path = "../../macros" }
+serde = "0.8"
+serde_json = "0.8"
+serde_macros = "0.8"

examples/content_types/src/main.rs

@@ -0,0 +1,48 @@
+#![feature(plugin, custom_derive)]
+#![plugin(rocket_macros, serde_macros)]
+
+extern crate rocket;
+extern crate serde_json;
+
+use rocket::{Rocket, RoutingError};
+use rocket::ContentType;
+use rocket::Error;
+
+#[derive(Debug, Serialize, Deserialize)]
+struct Person {
+    name: String,
+    age: i8,
+}
+
+#[GET(path = "/<name>/<age>", content = "application/json")]
+fn hello(name: String, age: i8) -> String {
+    let person = Person {
+        name: name,
+        age: age,
+    };
+
+    serde_json::to_string(&person).unwrap()
+}
+
+#[error(code = "404")]
+fn not_found(error: RoutingError) -> String {
+    match error.error {
+        // Error::BadMethod if !error.request.content_type.is_json() => {
+        //     format!("<p>This server only supports JSON requests, not '{}'.</p>",
+        //             error.request.data)
+        // }
+        Error::BadMethod => {
+            format!("<p>Sorry, this server but '{}' is not a valid path!</p>
+                    <p>Try visiting /hello/&lt;name&gt;/&lt;age&gt; instead.</p>",
+                    error.request.uri)
+        }
+        _ => format!("<p>Bad Request</p>"),
+    }
+}
+
+fn main() {
+    let mut rocket = Rocket::new("localhost", 8000);
+    rocket.mount("/hello", routes![hello]);
+    rocket.catch(errors![not_found]);
+    rocket.launch();
+}