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// 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 (
"encoding/json"
"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
}
// MarshalJSON implements the JSON encoding interface
func (e Validation) MarshalJSON() ([]byte, error) {
return json.Marshal(map[string]interface{}{
"code": e.code,
"message": e.message,
"in": e.In,
"name": e.Name,
"value": e.Value,
"values": e.Values,
})
}
// ValidateName sets the name for a validation or updates it for a nested property
func (e *Validation) ValidateName(name string) *Validation {
if name != "" {
if e.Name == "" {
e.Name = name
e.message = name + e.message
} else {
e.Name = name + "." + e.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 {
values := make([]interface{}, 0, len(allowed))
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 {
values := make([]interface{}, 0, len(allowed))
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),
}
}
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