storj.io/minio@v0.0.0-20230509071714-0cbc90f649b1/pkg/bucket/replication/error.go (about)

     1  /*
     2   * MinIO Cloud Storage, (C) 2020 MinIO, Inc.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package replication
    18  
    19  import (
    20  	"fmt"
    21  )
    22  
    23  // Error is the generic type for any error happening during tag
    24  // parsing.
    25  type Error struct {
    26  	err error
    27  }
    28  
    29  // Errorf - formats according to a format specifier and returns
    30  // the string as a value that satisfies error of type tagging.Error
    31  func Errorf(format string, a ...interface{}) error {
    32  	return Error{err: fmt.Errorf(format, a...)}
    33  }
    34  
    35  // Unwrap the internal error.
    36  func (e Error) Unwrap() error { return e.err }
    37  
    38  // Error 'error' compatible method.
    39  func (e Error) Error() string {
    40  	if e.err == nil {
    41  		return "replication: cause <nil>"
    42  	}
    43  	return e.err.Error()
    44  }