github.com/timstclair/heapster@v0.20.0-alpha1/Godeps/_workspace/src/k8s.io/kubernetes/pkg/conversion/error.go (about)

     1  /*
     2  Copyright 2014 The Kubernetes Authors All rights reserved.
     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 conversion
    18  
    19  import (
    20  	"fmt"
    21  	"reflect"
    22  )
    23  
    24  type notRegisteredErr struct {
    25  	kind    string
    26  	version string
    27  	t       reflect.Type
    28  }
    29  
    30  func (k *notRegisteredErr) Error() string {
    31  	if k.t != nil {
    32  		return fmt.Sprintf("no kind is registered for the type %v", k.t)
    33  	}
    34  	if len(k.kind) == 0 {
    35  		return fmt.Sprintf("no version %q has been registered", k.version)
    36  	}
    37  	if len(k.version) == 0 {
    38  		return fmt.Sprintf("no kind %q is registered for the default version", k.kind)
    39  	}
    40  	return fmt.Sprintf("no kind %q is registered for version %q", k.kind, k.version)
    41  }
    42  
    43  // IsNotRegisteredError returns true if the error indicates the provided
    44  // object or input data is not registered.
    45  func IsNotRegisteredError(err error) bool {
    46  	if err == nil {
    47  		return false
    48  	}
    49  	_, ok := err.(*notRegisteredErr)
    50  	return ok
    51  }
    52  
    53  type missingKindErr struct {
    54  	data string
    55  }
    56  
    57  func NewMissingKindErr(data string) error {
    58  	return &missingKindErr{data}
    59  }
    60  
    61  func (k *missingKindErr) Error() string {
    62  	return fmt.Sprintf("Object 'Kind' is missing in '%s'", k.data)
    63  }
    64  
    65  func IsMissingKind(err error) bool {
    66  	if err == nil {
    67  		return false
    68  	}
    69  	_, ok := err.(*missingKindErr)
    70  	return ok
    71  }
    72  
    73  type missingVersionErr struct {
    74  	data string
    75  }
    76  
    77  func NewMissingVersionErr(data string) error {
    78  	return &missingVersionErr{data}
    79  }
    80  
    81  func (k *missingVersionErr) Error() string {
    82  	return fmt.Sprintf("Object 'apiVersion' is missing in '%s'", k.data)
    83  }
    84  
    85  func IsMissingVersion(err error) bool {
    86  	if err == nil {
    87  		return false
    88  	}
    89  	_, ok := err.(*missingVersionErr)
    90  	return ok
    91  }