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- // Copyright 2016 Google Inc. All rights reserved.
- //
- // 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.
-
- // Package servemux contains a filter that executes modifiers when there is a
- // pattern match in a mux.
- package servemux
-
- import (
- "net/http"
-
- "github.com/google/martian"
- "github.com/google/martian/filter"
- )
-
- var noop = martian.Noop("mux.Filter")
-
- // Filter is a modifier that executes mod if a pattern is matched in mux.
- type Filter struct {
- *filter.Filter
- }
-
- // NewFilter constructs a filter that applies the modifier when the request
- // url matches a pattern in mux. If no mux is provided, the request is evaluated
- // against patterns in http.DefaultServeMux.
- func NewFilter(mux *http.ServeMux) *Filter {
- if mux == nil {
- mux = http.DefaultServeMux
- }
-
- m := NewMatcher(mux)
- f := filter.New()
- f.SetRequestCondition(m)
- f.SetResponseCondition(m)
- return &Filter{Filter: f}
- }
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