35 lines
941 B
Go
35 lines
941 B
Go
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// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package internal
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import (
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"net/http"
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"golang.org/x/net/context"
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)
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// HTTPClient is the context key to use with golang.org/x/net/context's
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// WithValue function to associate an *http.Client value with a context.
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var HTTPClient ContextKey
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// ContextKey is just an empty struct. It exists so HTTPClient can be
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// an immutable public variable with a unique type. It's immutable
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// because nobody else can create a ContextKey, being unexported.
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type ContextKey struct{}
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var appengineClientHook func(context.Context) *http.Client
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func ContextClient(ctx context.Context) *http.Client {
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if ctx != nil {
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if hc, ok := ctx.Value(HTTPClient).(*http.Client); ok {
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return hc
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}
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}
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if appengineClientHook != nil {
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return appengineClientHook(ctx)
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}
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return http.DefaultClient
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}
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