Struct ContentHandler

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pub struct ContentHandler<H> { /* private fields */ }
Expand description

Handles content encoding and decoding for HTTP requests and responses.

ContentHandler is responsible for:

  1. Decoding the content of incoming requests based on their Content-Encoding header.
  2. Encoding the content of outgoing responses based on the client’s Accept-Encoding preferences.

It wraps an inner handler and preprocesses requests before passing them to the inner handler, as well as postprocessing responses from the inner handler. For implementation details and example usage, see the module level documentation.

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impl<F> ContentHandler<F>

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pub fn layer<C>() -> impl FactoryLayer<C, F, Factory = Self>

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pub fn opt_layer<C>( enabled: bool, ) -> Option<impl FactoryLayer<C, F, Factory = Self>>

Returns a factory layer for the ContentHandler.

This allows the ’ContentHandler to be selectively enabled or disabled based on a configuration at runtime.

Trait Implementations§

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impl<F: AsyncMakeService> AsyncMakeService for ContentHandler<F>

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type Service = ContentHandler<<F as AsyncMakeService>::Service>

The type of service this factory creates.
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type Error = <F as AsyncMakeService>::Error

The type of error that can occur during service creation.
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async fn make_via_ref( &self, old: Option<&Self::Service>, ) -> Result<Self::Service, Self::Error>

Asynchronously creates a new service, optionally using an existing service as a reference. Read more
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fn make(&self) -> impl Future<Output = Result<Self::Service, Self::Error>>

Asynchronously creates a new service without referencing an existing one. Read more
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impl<H: Clone> Clone for ContentHandler<H>

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fn clone(&self) -> ContentHandler<H>

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<F> MakeService for ContentHandler<F>
where F: MakeService,

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type Service = ContentHandler<<F as MakeService>::Service>

The type of service this factory creates.
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type Error = <F as MakeService>::Error

The type of error that can occur during service creation.
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fn make_via_ref( &self, old: Option<&Self::Service>, ) -> Result<Self::Service, Self::Error>

Creates a new service, optionally using an existing service as a reference. Read more
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fn make(&self) -> Result<Self::Service, Self::Error>

Creates a new service without referencing an existing one. Read more
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impl<H, CX, B> Service<(Request<B>, CX)> for ContentHandler<H>

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type Response = (Response<<H as HttpHandler<CX, B>>::Body>, bool)

The type of response returned by this service.
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type Error = <H as HttpHandler<CX, B>>::Error

The type of error that this service can produce.
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async fn call( &self, __arg1: (Request<B>, CX), ) -> Result<Self::Response, Self::Error>

Asynchronously process the request and return the response. Read more

Auto Trait Implementations§

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impl<H> Freeze for ContentHandler<H>
where H: Freeze,

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impl<H> RefUnwindSafe for ContentHandler<H>
where H: RefUnwindSafe,

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impl<H> Send for ContentHandler<H>
where H: Send,

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impl<H> Sync for ContentHandler<H>
where H: Sync,

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impl<H> Unpin for ContentHandler<H>
where H: Unpin,

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impl<H> UnwindSafe for ContentHandler<H>
where H: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T, Request, Response, E> BoxService<Request, Response, E> for T
where T: Service<Request, Response = Response, Error = E> + 'static, Request: 'static,

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fn into_boxed(self) -> BoxedService<Request, Response, E>

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, CX, IB, OB> HttpHandler<CX, IB> for T
where T: Service<(Request<IB>, CX), Response = (Response<OB>, bool)>,

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type Body = OB

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type Error = <T as Service<(Request<IB>, CX)>>::Error

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async fn handle( &self, req: Request<IB>, ctx: CX, ) -> Result<(Response<OB>, bool), <T as HttpHandler<CX, IB>>::Error>

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Param<T> for T
where T: Clone,

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fn param(&self) -> T

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more