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package server // import "github.com/docker/docker/api/server"
import (
"net/http"
"sync"
"github.com/gorilla/mux"
)
// routerSwapper is an http.Handler that allows you to swap
// mux routers.
type routerSwapper struct {
mu sync.Mutex
router *mux.Router
}
// Swap changes the old router with the new one.
func (rs *routerSwapper) Swap(newRouter *mux.Router) {
rs.mu.Lock()
rs.router = newRouter
rs.mu.Unlock()
}
// ServeHTTP makes the routerSwapper to implement the http.Handler interface.
func (rs *routerSwapper) ServeHTTP(w http.ResponseWriter, r *http.Request) {
rs.mu.Lock()
router := rs.router
rs.mu.Unlock()
router.ServeHTTP(w, r)
}
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