github.com/minio/minio@v0.0.0-20240328213742-3f72439b8a27/internal/bucket/replication/error.go (about)

     1  // Copyright (c) 2015-2021 MinIO, Inc.
     2  //
     3  // This file is part of MinIO Object Storage stack
     4  //
     5  // This program is free software: you can redistribute it and/or modify
     6  // it under the terms of the GNU Affero General Public License as published by
     7  // the Free Software Foundation, either version 3 of the License, or
     8  // (at your option) any later version.
     9  //
    10  // This program is distributed in the hope that it will be useful
    11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13  // GNU Affero General Public License for more details.
    14  //
    15  // You should have received a copy of the GNU Affero General Public License
    16  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17  
    18  package replication
    19  
    20  import (
    21  	"fmt"
    22  )
    23  
    24  // Error is the generic type for any error happening during tag
    25  // parsing.
    26  type Error struct {
    27  	err error
    28  }
    29  
    30  // Errorf - formats according to a format specifier and returns
    31  // the string as a value that satisfies error of type tagging.Error
    32  func Errorf(format string, a ...interface{}) error {
    33  	return Error{err: fmt.Errorf(format, a...)}
    34  }
    35  
    36  // Unwrap the internal error.
    37  func (e Error) Unwrap() error { return e.err }
    38  
    39  // Error 'error' compatible method.
    40  func (e Error) Error() string {
    41  	if e.err == nil {
    42  		return "replication: cause <nil>"
    43  	}
    44  	return e.err.Error()
    45  }