x/rest/response_encoder.go

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package rest
import (
"net/http"
"github.com/jchenry/x/encoding"
"github.com/jchenry/x/encoding/json"
"github.com/jchenry/x/encoding/xml"
)
type EntityEncoder func(w http.ResponseWriter, e interface{})
func JSONEncoder(w http.ResponseWriter, e interface{}) error {
return EntityResponseEncoder(w, "application/json", json.Encoder, e)
}
func XMLEncoder(w http.ResponseWriter, e interface{}) error {
return EntityResponseEncoder(w, "application/xml", xml.Encoder, e)
}
func EntityResponseEncoder(w http.ResponseWriter, contentType string, encoder encoding.Encoder, e interface{}) error {
w.Header().Set("content-type", contentType)
return encoder(w, e)
}
func ErrorResponseEncoder(w http.ResponseWriter, contentType string, encoder encoding.Encoder, status int, err error) error {
w.WriteHeader(status)
return EntityResponseEncoder(w, contentType, encoder, map[string]interface{}{
"status": status,
"message": err.Error,
})
}