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package openapi3filter
import (
"encoding/json"
"fmt"
"sync"
)
func encodeBody(body interface{}, mediaType string) ([]byte, error) {
if encoder := RegisteredBodyEncoder(mediaType); encoder != nil {
return encoder(body)
}
return nil, &ParseError{
Kind: KindUnsupportedFormat,
Reason: fmt.Sprintf("%s %q", prefixUnsupportedCT, mediaType),
}
}
// BodyEncoder really is an (encoding/json).Marshaler
type BodyEncoder func(body interface{}) ([]byte, error)
var bodyEncodersM sync.RWMutex
var bodyEncoders = map[string]BodyEncoder{
"application/json": json.Marshal,
}
// RegisterBodyEncoder enables package-wide decoding of contentType values
func RegisterBodyEncoder(contentType string, encoder BodyEncoder) {
if contentType == "" {
panic("contentType is empty")
}
if encoder == nil {
panic("encoder is not defined")
}
bodyEncodersM.Lock()
bodyEncoders[contentType] = encoder
bodyEncodersM.Unlock()
}
// UnregisterBodyEncoder disables package-wide decoding of contentType values
func UnregisterBodyEncoder(contentType string) {
if contentType == "" {
panic("contentType is empty")
}
bodyEncodersM.Lock()
delete(bodyEncoders, contentType)
bodyEncodersM.Unlock()
}
// RegisteredBodyEncoder returns the registered body encoder for the given content type.
//
// If no encoder was registered for the given content type, nil is returned.
func RegisteredBodyEncoder(contentType string) BodyEncoder {
bodyEncodersM.RLock()
mayBE := bodyEncoders[contentType]
bodyEncodersM.RUnlock()
return mayBE
}
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