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// Copyright 2015 go-swagger maintainers
//
// 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 spec
import "sync"
// ResolutionCache a cache for resolving urls
type ResolutionCache interface {
Get(string) (interface{}, bool)
Set(string, interface{})
}
type simpleCache struct {
lock sync.RWMutex
store map[string]interface{}
}
// Get retrieves a cached URI
func (s *simpleCache) Get(uri string) (interface{}, bool) {
debugLog("getting %q from resolution cache", uri)
s.lock.RLock()
v, ok := s.store[uri]
debugLog("got %q from resolution cache: %t", uri, ok)
s.lock.RUnlock()
return v, ok
}
// Set caches a URI
func (s *simpleCache) Set(uri string, data interface{}) {
s.lock.Lock()
s.store[uri] = data
s.lock.Unlock()
}
var resCache ResolutionCache
func init() {
resCache = initResolutionCache()
}
// initResolutionCache initializes the URI resolution cache
func initResolutionCache() ResolutionCache {
return &simpleCache{store: map[string]interface{}{
"http://swagger.io/v2/schema.json": MustLoadSwagger20Schema(),
"http://json-schema.org/draft-04/schema": MustLoadJSONSchemaDraft04(),
}}
}
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