Files
opencloud/vendor/github.com/libregraph/lico/utils/json.go
2023-04-19 20:24:34 +02:00

48 lines
1.4 KiB
Go

/*
* Copyright 2017-2019 Kopano and its licensors
*
* 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 utils
import (
"encoding/json"
"net/http"
)
const (
defaultJSONContentType = "application/json; encoding=utf-8"
)
// WriteJSON marshals the provided data as JSON and writes it to the provided
// http.ResponseWriter using the provided HTTP status code and content-type. the
// nature of this function is that it always writes a HTTP response header. Thus
// it makes no sense to write another header on error. Resulting errors should
// be logged and the connection should be closes as it is non-functional.
func WriteJSON(rw http.ResponseWriter, code int, data interface{}, contentType string) error {
if contentType == "" {
rw.Header().Set("Content-Type", defaultJSONContentType)
} else {
rw.Header().Set("content-Type", contentType)
}
rw.WriteHeader(code)
enc := json.NewEncoder(rw)
enc.SetIndent("", " ")
return enc.Encode(data)
}