diff options
Diffstat (limited to 'vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator_1_7.go')
-rw-r--r-- | vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator_1_7.go | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator_1_7.go b/vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator_1_7.go new file mode 100644 index 000000000..5e38c7ca4 --- /dev/null +++ b/vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator_1_7.go @@ -0,0 +1,35 @@ +// Copyright 2017 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build !go1.8 + +package promhttp + +import ( + "io" + "net/http" +) + +func newDelegator(w http.ResponseWriter) delegator { + d := &responseWriterDelegator{ResponseWriter: w} + + _, cn := w.(http.CloseNotifier) + _, fl := w.(http.Flusher) + _, hj := w.(http.Hijacker) + _, rf := w.(io.ReaderFrom) + if cn && fl && hj && rf { + return &fancyDelegator{d} + } + + return d +} |