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mimecache.go
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mimecache.go
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// Copyright (C) 2019 Nicola Murino
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, version 3.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package webdavd
import "sync"
type mimeCache struct {
maxSize int
sync.RWMutex
mimeTypes map[string]string
}
var (
mimeTypeCache mimeCache
customMimeTypeMapping map[string]string
)
func (c *mimeCache) addMimeToCache(key, value string) {
c.Lock()
defer c.Unlock()
if key == "" || value == "" {
return
}
if len(c.mimeTypes) >= c.maxSize {
return
}
c.mimeTypes[key] = value
}
func (c *mimeCache) getMimeFromCache(key string) string {
c.RLock()
defer c.RUnlock()
if val, ok := c.mimeTypes[key]; ok {
return val
}
return ""
}