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34 lines
941 B
34 lines
941 B
// 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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