github.com/vvnotw/moby@v1.13.1/pkg/plugins/errors.go (about)

     1  package plugins
     2  
     3  import (
     4  	"fmt"
     5  	"net/http"
     6  )
     7  
     8  type statusError struct {
     9  	status int
    10  	method string
    11  	err    string
    12  }
    13  
    14  // Error returns a formatted string for this error type
    15  func (e *statusError) Error() string {
    16  	return fmt.Sprintf("%s: %v", e.method, e.err)
    17  }
    18  
    19  // IsNotFound indicates if the passed in error is from an http.StatusNotFound from the plugin
    20  func IsNotFound(err error) bool {
    21  	return isStatusError(err, http.StatusNotFound)
    22  }
    23  
    24  func isStatusError(err error, status int) bool {
    25  	if err == nil {
    26  		return false
    27  	}
    28  	e, ok := err.(*statusError)
    29  	if !ok {
    30  		return false
    31  	}
    32  	return e.status == status
    33  }