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package openapi3
import (
"context"
"encoding/json"
"errors"
)
// Info is specified by OpenAPI/Swagger standard version 3.
// See https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md#info-object
type Info struct {
Extensions map[string]interface{} `json:"-" yaml:"-"`
Title string `json:"title" yaml:"title"` // Required
Description string `json:"description,omitempty" yaml:"description,omitempty"`
TermsOfService string `json:"termsOfService,omitempty" yaml:"termsOfService,omitempty"`
Contact *Contact `json:"contact,omitempty" yaml:"contact,omitempty"`
License *License `json:"license,omitempty" yaml:"license,omitempty"`
Version string `json:"version" yaml:"version"` // Required
}
// MarshalJSON returns the JSON encoding of Info.
func (info Info) MarshalJSON() ([]byte, error) {
m := make(map[string]interface{}, 6+len(info.Extensions))
for k, v := range info.Extensions {
m[k] = v
}
m["title"] = info.Title
if x := info.Description; x != "" {
m["description"] = x
}
if x := info.TermsOfService; x != "" {
m["termsOfService"] = x
}
if x := info.Contact; x != nil {
m["contact"] = x
}
if x := info.License; x != nil {
m["license"] = x
}
m["version"] = info.Version
return json.Marshal(m)
}
// UnmarshalJSON sets Info to a copy of data.
func (info *Info) UnmarshalJSON(data []byte) error {
type InfoBis Info
var x InfoBis
if err := json.Unmarshal(data, &x); err != nil {
return unmarshalError(err)
}
_ = json.Unmarshal(data, &x.Extensions)
delete(x.Extensions, "title")
delete(x.Extensions, "description")
delete(x.Extensions, "termsOfService")
delete(x.Extensions, "contact")
delete(x.Extensions, "license")
delete(x.Extensions, "version")
if len(x.Extensions) == 0 {
x.Extensions = nil
}
*info = Info(x)
return nil
}
// Validate returns an error if Info does not comply with the OpenAPI spec.
func (info *Info) Validate(ctx context.Context, opts ...ValidationOption) error {
ctx = WithValidationOptions(ctx, opts...)
if contact := info.Contact; contact != nil {
if err := contact.Validate(ctx); err != nil {
return err
}
}
if license := info.License; license != nil {
if err := license.Validate(ctx); err != nil {
return err
}
}
if info.Version == "" {
return errors.New("value of version must be a non-empty string")
}
if info.Title == "" {
return errors.New("value of title must be a non-empty string")
}
return validateExtensions(ctx, info.Extensions)
}
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