0f08b6961a
The goal is to free up the distribution/registry package to include common registry types. This moves the webapp definitions out of the way to allow for this change in the future. Signed-off-by: Stephen J Day <stephen.day@docker.com>
33 lines
807 B
Go
33 lines
807 B
Go
package handlers
|
|
|
|
import (
|
|
"encoding/json"
|
|
"io"
|
|
"net/http"
|
|
)
|
|
|
|
// serveJSON marshals v and sets the content-type header to
|
|
// 'application/json'. If a different status code is required, call
|
|
// ResponseWriter.WriteHeader before this function.
|
|
func serveJSON(w http.ResponseWriter, v interface{}) error {
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
enc := json.NewEncoder(w)
|
|
|
|
if err := enc.Encode(v); err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// closeResources closes all the provided resources after running the target
|
|
// handler.
|
|
func closeResources(handler http.Handler, closers ...io.Closer) http.Handler {
|
|
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
for _, closer := range closers {
|
|
defer closer.Close()
|
|
}
|
|
handler.ServeHTTP(w, r)
|
|
})
|
|
}
|