formats.go

Documentation: k8s.io/kube-openapi/pkg/validation/validate

     1  // Copyright 2015 go-swagger maintainers
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //    http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package validate
    16  
    17  import (
    18  	"reflect"
    19  
    20  	"k8s.io/kube-openapi/pkg/validation/spec"
    21  	"k8s.io/kube-openapi/pkg/validation/strfmt"
    22  )
    23  
    24  type formatValidator struct {
    25  	Format       string
    26  	Path         string
    27  	In           string
    28  	KnownFormats strfmt.Registry
    29  }
    30  
    31  func (f *formatValidator) SetPath(path string) {
    32  	f.Path = path
    33  }
    34  
    35  func (f *formatValidator) Applies(source interface{}, kind reflect.Kind) bool {
    36  	doit := func() bool {
    37  		if source == nil {
    38  			return false
    39  		}
    40  		switch source := source.(type) {
    41  		case *spec.Schema:
    42  			return kind == reflect.String && f.KnownFormats.ContainsName(source.Format)
    43  		}
    44  		return false
    45  	}
    46  	r := doit()
    47  	debugLog("format validator for %q applies %t for %T (kind: %v)\n", f.Path, r, source, kind)
    48  	return r
    49  }
    50  
    51  func (f *formatValidator) Validate(val interface{}) *Result {
    52  	result := new(Result)
    53  	debugLog("validating \"%v\" against format: %s", val, f.Format)
    54  
    55  	if err := FormatOf(f.Path, f.In, f.Format, val.(string), f.KnownFormats); err != nil {
    56  		result.AddErrors(err)
    57  	}
    58  
    59  	if result.HasErrors() {
    60  		return result
    61  	}
    62  	return nil
    63  }
    64
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