| // Copyright 2015 The etcd Authors |
| // |
| // 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 httptypes |
| |
| import ( |
| "encoding/json" |
| "net/http" |
| |
| "github.com/coreos/pkg/capnslog" |
| ) |
| |
| var ( |
| plog = capnslog.NewPackageLogger("github.com/coreos/etcd", "etcdserver/api/v2http/httptypes") |
| ) |
| |
| type HTTPError struct { |
| Message string `json:"message"` |
| // Code is the HTTP status code |
| Code int `json:"-"` |
| } |
| |
| func (e HTTPError) Error() string { |
| return e.Message |
| } |
| |
| func (e HTTPError) WriteTo(w http.ResponseWriter) error { |
| w.Header().Set("Content-Type", "application/json") |
| w.WriteHeader(e.Code) |
| b, err := json.Marshal(e) |
| if err != nil { |
| plog.Panicf("marshal HTTPError should never fail (%v)", err) |
| } |
| if _, err := w.Write(b); err != nil { |
| return err |
| } |
| return nil |
| } |
| |
| func NewHTTPError(code int, m string) *HTTPError { |
| return &HTTPError{ |
| Message: m, |
| Code: code, |
| } |
| } |