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use std::ops::Deref;
use futures::Future;
use hyper::Method;
use chashmap::CHashMap;
use plugins::{Plugin, PluginData};
pub type Handler<S, E> = fn(data: PluginData<S>)
-> Box<Future<Item = PluginData<S>, Error = E>>;
pub struct Router<S, E> {
routes: CHashMap<(String, Method), Handler<S,E>>,
}
impl<S,E> Router<S,E> {
pub fn new() -> Router<S, E> {
Router {
routes: CHashMap::new()
}
}
pub fn insert(&self, path: &str, method: Method, handler: Handler<S, E>) {
self.routes.insert( (path.to_owned(), method), handler );
}
pub fn remove(&self, path: &str, method: Method) {
self.routes.remove( &(path.to_owned(), method) );
}
pub fn clear(&self) {
self.routes.clear();
}
}
impl<S,E> Plugin<S,E> for Router<S,E>
where S: 'static,
E: 'static
{
fn handle(&self, data: PluginData<S>)
-> Box<Future<Item = PluginData<S>, Error = E>>
{
let path = data.request.path().to_owned();
let method = data.request.method().clone();
match self.routes.get_mut(&(path,method))
{
Some(guard) => {
let h = guard.deref();
(h)(data)
},
None => {
Box::new(::futures::future::ok(data))
}
}
}
}