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52 lines
1.7 KiB
Go
52 lines
1.7 KiB
Go
package mux_test
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import (
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"fmt"
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"net/http"
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"github.com/gorilla/mux"
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)
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// This example demonstrates setting a regular expression matcher for
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// the header value. A plain word will match any value that contains a
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// matching substring as if the pattern was wrapped with `.*`.
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func ExampleRoute_HeadersRegexp() {
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r := mux.NewRouter()
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route := r.NewRoute().HeadersRegexp("Accept", "html")
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req1, _ := http.NewRequest("GET", "example.com", nil)
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req1.Header.Add("Accept", "text/plain")
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req1.Header.Add("Accept", "text/html")
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req2, _ := http.NewRequest("GET", "example.com", nil)
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req2.Header.Set("Accept", "application/xhtml+xml")
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matchInfo := &mux.RouteMatch{}
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fmt.Printf("Match: %v %q\n", route.Match(req1, matchInfo), req1.Header["Accept"])
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fmt.Printf("Match: %v %q\n", route.Match(req2, matchInfo), req2.Header["Accept"])
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// Output:
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// Match: true ["text/plain" "text/html"]
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// Match: true ["application/xhtml+xml"]
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}
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// This example demonstrates setting a strict regular expression matcher
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// for the header value. Using the start and end of string anchors, the
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// value must be an exact match.
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func ExampleRoute_HeadersRegexp_exactMatch() {
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r := mux.NewRouter()
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route := r.NewRoute().HeadersRegexp("Origin", "^https://example.co$")
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yes, _ := http.NewRequest("GET", "example.co", nil)
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yes.Header.Set("Origin", "https://example.co")
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no, _ := http.NewRequest("GET", "example.co.uk", nil)
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no.Header.Set("Origin", "https://example.co.uk")
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matchInfo := &mux.RouteMatch{}
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fmt.Printf("Match: %v %q\n", route.Match(yes, matchInfo), yes.Header["Origin"])
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fmt.Printf("Match: %v %q\n", route.Match(no, matchInfo), no.Header["Origin"])
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// Output:
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// Match: true ["https://example.co"]
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// Match: false ["https://example.co.uk"]
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}
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