goext/gojson/gionic.go
Timo Vetter b5cd116219
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DYN-166 add jsonfilter to json library
2023-10-05 10:45:09 +02:00

46 lines
1.1 KiB
Go

package json
import (
"net/http"
)
// Render interface is copied from github.com/gin-gonic/gin@v1.8.1/render/render.go
type Render interface {
// Render writes data with custom ContentType.
Render(http.ResponseWriter) error
// WriteContentType writes custom ContentType.
WriteContentType(w http.ResponseWriter)
}
type GoJsonRender struct {
Data any
NilSafeSlices bool
NilSafeMaps bool
Indent *IndentOpt
Filter *string
}
func (r GoJsonRender) Render(w http.ResponseWriter) error {
header := w.Header()
if val := header["Content-Type"]; len(val) == 0 {
header["Content-Type"] = []string{"application/json; charset=utf-8"}
}
jsonBytes, err := MarshalSafeCollections(r.Data, r.NilSafeSlices, r.NilSafeMaps, r.Indent, r.Filter)
if err != nil {
panic(err)
}
_, err = w.Write(jsonBytes)
if err != nil {
panic(err)
}
return nil
}
func (r GoJsonRender) WriteContentType(w http.ResponseWriter) {
header := w.Header()
if val := header["Content-Type"]; len(val) == 0 {
header["Content-Type"] = []string{"application/json; charset=utf-8"}
}
}