/
json.go
59 lines (51 loc) · 1.65 KB
/
json.go
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/*
* Copyright (C) 2015 Fabrício Godoy <skarllot@gmail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package bll
import (
"encoding/json"
"github.com/skarllot/raiqub"
"io"
"io/ioutil"
"net/http"
)
const (
HTTP_BODY_MAX_LENGTH = 1048576
// WebDAV; RFC 4918
StatusUnprocessableEntity = 422
)
func JsonWrite(w http.ResponseWriter, status int, content interface{}) {
raiqub.HttpHeader_ContentType_Json().SetWriter(w.Header())
w.WriteHeader(status)
json.NewEncoder(w).Encode(content)
}
func JsonRead(body io.ReadCloser, obj interface{}, w http.ResponseWriter) bool {
content, err := ioutil.ReadAll(io.LimitReader(body, HTTP_BODY_MAX_LENGTH))
if err != nil {
JsonWrite(w, http.StatusInternalServerError, err.Error())
return false
}
if err := body.Close(); err != nil {
JsonWrite(w, http.StatusInternalServerError, err.Error())
return false
}
if err := json.Unmarshal(content, obj); err != nil {
JsonWrite(w, StatusUnprocessableEntity, err.Error())
return false
}
return true
}