gin/binding/plain.go

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package binding
import (
"fmt"
"io"
"net/http"
"reflect"
"github.com/gin-gonic/gin/internal/bytesconv"
)
type plainBinding struct{}
func (plainBinding) Name() string {
return "plain"
}
func (plainBinding) Bind(req *http.Request, obj interface{}) error {
all, err := io.ReadAll(req.Body)
if err != nil {
return err
}
return decodePlain(all, obj)
}
func (plainBinding) BindBody(body []byte, obj any) error {
return decodePlain(body, obj)
}
func decodePlain(data []byte, obj any) error {
if obj == nil {
return nil
}
v := reflect.ValueOf(obj)
for v.Kind() == reflect.Ptr {
if v.IsNil() {
return nil
}
v = v.Elem()
}
if v.Kind() == reflect.String {
v.SetString(bytesconv.BytesToString(data))
return nil
}
if _, ok := v.Interface().([]byte); ok {
v.SetBytes(data)
return nil
}
return fmt.Errorf("type (%T) unknown type", v)
}