| // Copyright 2015 go-swagger maintainers |
| // |
| // 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 errors |
| |
| import ( |
| "fmt" |
| "net/http" |
| ) |
| |
| // Validation represents a failure of a precondition |
| type Validation struct { |
| code int32 |
| Name string |
| In string |
| Value interface{} |
| message string |
| Values []interface{} |
| } |
| |
| func (e *Validation) Error() string { |
| return e.message |
| } |
| |
| // Code the error code |
| func (e *Validation) Code() int32 { |
| return e.code |
| } |
| |
| // ValidateName produces an error message name for an aliased property |
| func (e *Validation) ValidateName(name string) *Validation { |
| if e.Name == "" && name != "" { |
| e.Name = name |
| e.message = name + e.message |
| } |
| return e |
| } |
| |
| const ( |
| contentTypeFail = `unsupported media type %q, only %v are allowed` |
| responseFormatFail = `unsupported media type requested, only %v are available` |
| ) |
| |
| // InvalidContentType error for an invalid content type |
| func InvalidContentType(value string, allowed []string) *Validation { |
| var values []interface{} |
| for _, v := range allowed { |
| values = append(values, v) |
| } |
| return &Validation{ |
| code: http.StatusUnsupportedMediaType, |
| Name: "Content-Type", |
| In: "header", |
| Value: value, |
| Values: values, |
| message: fmt.Sprintf(contentTypeFail, value, allowed), |
| } |
| } |
| |
| // InvalidResponseFormat error for an unacceptable response format request |
| func InvalidResponseFormat(value string, allowed []string) *Validation { |
| var values []interface{} |
| for _, v := range allowed { |
| values = append(values, v) |
| } |
| return &Validation{ |
| code: http.StatusNotAcceptable, |
| Name: "Accept", |
| In: "header", |
| Value: value, |
| Values: values, |
| message: fmt.Sprintf(responseFormatFail, allowed), |
| } |
| } |