mirror of https://github.com/knative/docs.git
56 lines
1.2 KiB
Go
56 lines
1.2 KiB
Go
package http
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
|
|
"github.com/cloudevents/sdk-go/v2/protocol"
|
|
)
|
|
|
|
// NewResult returns a fully populated http Result that should be used as
|
|
// a transport.Result.
|
|
func NewResult(statusCode int, messageFmt string, args ...interface{}) protocol.Result {
|
|
return &Result{
|
|
StatusCode: statusCode,
|
|
Format: messageFmt,
|
|
Args: args,
|
|
}
|
|
}
|
|
|
|
// Result wraps the fields required to make adjustments for http Responses.
|
|
type Result struct {
|
|
StatusCode int
|
|
Format string
|
|
Args []interface{}
|
|
}
|
|
|
|
// make sure Result implements error.
|
|
var _ error = (*Result)(nil)
|
|
|
|
// Is returns if the target error is a Result type checking target.
|
|
func (e *Result) Is(target error) bool {
|
|
if o, ok := target.(*Result); ok {
|
|
return e.StatusCode == o.StatusCode
|
|
}
|
|
|
|
// Special case for nil == ACK
|
|
if o, ok := target.(*protocol.Receipt); ok {
|
|
if e == nil && o.ACK {
|
|
return true
|
|
}
|
|
}
|
|
|
|
// Allow for wrapped errors.
|
|
if e != nil {
|
|
err := fmt.Errorf(e.Format, e.Args...)
|
|
return errors.Is(err, target)
|
|
}
|
|
return false
|
|
}
|
|
|
|
// Error returns the string that is formed by using the format string with the
|
|
// provided args.
|
|
func (e *Result) Error() string {
|
|
return fmt.Sprintf("%d: %v", e.StatusCode, fmt.Errorf(e.Format, e.Args...))
|
|
}
|