Struct actix_web::middleware::Condition

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pub struct Condition<T> { /* private fields */ }
Expand description

Middleware for conditionally enabling other middleware.

§Examples

use actix_web::middleware::{Condition, NormalizePath};
use actix_web::App;

let enable_normalize = std::env::var("NORMALIZE_PATH").is_ok();
let app = App::new()
    .wrap(Condition::new(enable_normalize, NormalizePath::default()));

Implementations§

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impl<T> Condition<T>

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pub fn new(enable: bool, transformer: T) -> Self

Trait Implementations§

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impl<S, T, Req, BE, BD, Err> Transform<S, Req> for Condition<T>
where S: Service<Req, Response = ServiceResponse<BD>, Error = Err> + 'static, T: Transform<S, Req, Response = ServiceResponse<BE>, Error = Err>, T::Future: 'static, T::InitError: 'static, T::Transform: 'static,

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type Response = ServiceResponse<EitherBody<BE, BD>>

Responses produced by the service.
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type Error = Err

Errors produced by the service.
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type Transform = ConditionMiddleware<<T as Transform<S, Req>>::Transform, S>

The TransformService value created by this factory
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type InitError = <T as Transform<S, Req>>::InitError

Errors produced while building a transform service.
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type Future = Pin<Box<dyn Future<Output = Result<<Condition<T> as Transform<S, Req>>::Transform, <Condition<T> as Transform<S, Req>>::InitError>>>>

The future response value.
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fn new_transform(&self, service: S) -> Self::Future

Creates and returns a new Transform component, asynchronously

Auto Trait Implementations§

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impl<T> Freeze for Condition<T>
where T: Freeze,

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impl<T> RefUnwindSafe for Condition<T>
where T: RefUnwindSafe,

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impl<T> Send for Condition<T>
where T: Send,

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impl<T> Sync for Condition<T>
where T: Sync,

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impl<T> Unpin for Condition<T>
where T: Unpin,

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impl<T> UnwindSafe for Condition<T>
where T: UnwindSafe,

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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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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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> Same for T

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type Output = T

Should always be Self
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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