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// Copyright 2017 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 querystring
import "net/http"
// Matcher is a conditonal evalutor of query string parameters
// to be used in structs that take conditions.
type Matcher struct {
name, value string
}
// NewMatcher builds a new querystring matcher
func NewMatcher(name, value string) *Matcher {
return &Matcher{name: name, value: value}
}
// MatchRequest evaluates a request and returns whether or not
// the request contains a querystring param that matches the provided name
// and value.
func (m *Matcher) MatchRequest(req *http.Request) bool {
for n, vs := range req.URL.Query() {
if m.name == n {
if m.value == "" {
return true
}
for _, v := range vs {
if m.value == v {
return true
}
}
}
}
return false
}
// MatchResponse evaluates a response and returns whether or not
// the request that resulted in that response contains a querystring param that matches the provided name
// and value.
func (m *Matcher) MatchResponse(res *http.Response) bool {
return m.MatchRequest(res.Request)
}
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