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28 lines
1.3 KiB
Go
28 lines
1.3 KiB
Go
package mux
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import "net/http"
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// MiddlewareFunc is a function which receives an http.Handler and returns another http.Handler.
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// Typically, the returned handler is a closure which does something with the http.ResponseWriter and http.Request passed
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// to it, and then calls the handler passed as parameter to the MiddlewareFunc.
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type MiddlewareFunc func(http.Handler) http.Handler
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// middleware interface is anything which implements a MiddlewareFunc named Middleware.
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type middleware interface {
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Middleware(handler http.Handler) http.Handler
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}
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// MiddlewareFunc also implements the middleware interface.
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func (mw MiddlewareFunc) Middleware(handler http.Handler) http.Handler {
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return mw(handler)
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}
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// Use appends a MiddlewareFunc to the chain. Middleware can be used to intercept or otherwise modify requests and/or responses, and are executed in the order that they are applied to the Router.
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func (r *Router) Use(mwf MiddlewareFunc) {
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r.middlewares = append(r.middlewares, mwf)
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}
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// useInterface appends a middleware to the chain. Middleware can be used to intercept or otherwise modify requests and/or responses, and are executed in the order that they are applied to the Router.
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func (r *Router) useInterface(mw middleware) {
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r.middlewares = append(r.middlewares, mw)
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}
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