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feat(response): add send_json method #390

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feat(response): add send_json method #390

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20 changes: 19 additions & 1 deletion src/response.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ use std::sync::RwLock;
use std::collections::HashMap;
use std::collections::hash_map::Entry::{Occupied, Vacant};
use std::path::Path;
use serialize::Encodable;
use serialize::{Encodable, json};
use hyper::status::StatusCode;
use hyper::server::Response as HyperResponse;
use hyper::header::{
Expand Down Expand Up @@ -146,6 +146,24 @@ impl<'a, D> Response<'a, D, Fresh> {
}
}

/// Writes a JSON to the output
///
/// # Examples
/// ```{rust}
/// use nickel::{Request, Response, MiddlewareResult};
///
/// # #[allow(dead_code)]
/// fn handler<'a, D>(_: &mut Request<D>, res: Response<'a, D>) -> MiddlewareResult<'a, D> {
/// let json_data = String::from("Hello!");
/// res.send_json(&json_data)
/// }
/// ```
pub fn send_json<T: Encodable>(mut self, data: &T) -> MiddlewareResult<'a, D> {
let encoded = try_with!(self, json::encode(data).map_err(|e| (StatusCode::InternalServerError, e)));
self.set(MediaType::Json);
self.send(encoded)
}

// TODO: This needs to be more sophisticated to return the correct headers
// not just "some headers" :)
//
Expand Down