blob: e4e9814f3184f758e264b2a8c2d3abb1a7d95bbf [file] [log] [blame] [edit]
package gojsonschema
import (
"bytes"
"sync"
"text/template"
)
var errorTemplates = errorTemplate{template.New("errors-new"), sync.RWMutex{}}
// template.Template is not thread-safe for writing, so some locking is done
// sync.RWMutex is used for efficiently locking when new templates are created
type errorTemplate struct {
*template.Template
sync.RWMutex
}
type (
// FalseError. ErrorDetails: -
FalseError struct {
ResultErrorFields
}
// RequiredError indicates that a required field is missing
// ErrorDetails: property string
RequiredError struct {
ResultErrorFields
}
// InvalidTypeError indicates that a field has the incorrect type
// ErrorDetails: expected, given
InvalidTypeError struct {
ResultErrorFields
}
// NumberAnyOfError is produced in case of a failing "anyOf" validation
// ErrorDetails: -
NumberAnyOfError struct {
ResultErrorFields
}
// NumberOneOfError is produced in case of a failing "oneOf" validation
// ErrorDetails: -
NumberOneOfError struct {
ResultErrorFields
}
// NumberAllOfError is produced in case of a failing "allOf" validation
// ErrorDetails: -
NumberAllOfError struct {
ResultErrorFields
}
// NumberNotError is produced if a "not" validation failed
// ErrorDetails: -
NumberNotError struct {
ResultErrorFields
}
// MissingDependencyError is produced in case of a "missing dependency" problem
// ErrorDetails: dependency
MissingDependencyError struct {
ResultErrorFields
}
// InternalError indicates an internal error
// ErrorDetails: error
InternalError struct {
ResultErrorFields
}
// ConstError indicates a const error
// ErrorDetails: allowed
ConstError struct {
ResultErrorFields
}
// EnumError indicates an enum error
// ErrorDetails: allowed
EnumError struct {
ResultErrorFields
}
// ArrayNoAdditionalItemsError is produced if additional items were found, but not allowed
// ErrorDetails: -
ArrayNoAdditionalItemsError struct {
ResultErrorFields
}
// ArrayMinItemsError is produced if an array contains less items than the allowed minimum
// ErrorDetails: min
ArrayMinItemsError struct {
ResultErrorFields
}
// ArrayMaxItemsError is produced if an array contains more items than the allowed maximum
// ErrorDetails: max
ArrayMaxItemsError struct {
ResultErrorFields
}
// ItemsMustBeUniqueError is produced if an array requires unique items, but contains non-unique items
// ErrorDetails: type, i, j
ItemsMustBeUniqueError struct {
ResultErrorFields
}
// ArrayContainsError is produced if an array contains invalid items
// ErrorDetails:
ArrayContainsError struct {
ResultErrorFields
}
// ArrayMinPropertiesError is produced if an object contains less properties than the allowed minimum
// ErrorDetails: min
ArrayMinPropertiesError struct {
ResultErrorFields
}
// ArrayMaxPropertiesError is produced if an object contains more properties than the allowed maximum
// ErrorDetails: max
ArrayMaxPropertiesError struct {
ResultErrorFields
}
// AdditionalPropertyNotAllowedError is produced if an object has additional properties, but not allowed
// ErrorDetails: property
AdditionalPropertyNotAllowedError struct {
ResultErrorFields
}
// InvalidPropertyPatternError is produced if an pattern was found
// ErrorDetails: property, pattern
InvalidPropertyPatternError struct {
ResultErrorFields
}
// InvalidPropertyNameError is produced if an invalid-named property was found
// ErrorDetails: property
InvalidPropertyNameError struct {
ResultErrorFields
}
// StringLengthGTEError is produced if a string is shorter than the minimum required length
// ErrorDetails: min
StringLengthGTEError struct {
ResultErrorFields
}
// StringLengthLTEError is produced if a string is longer than the maximum allowed length
// ErrorDetails: max
StringLengthLTEError struct {
ResultErrorFields
}
// DoesNotMatchPatternError is produced if a string does not match the defined pattern
// ErrorDetails: pattern
DoesNotMatchPatternError struct {
ResultErrorFields
}
// DoesNotMatchFormatError is produced if a string does not match the defined format
// ErrorDetails: format
DoesNotMatchFormatError struct {
ResultErrorFields
}
// MultipleOfError is produced if a number is not a multiple of the defined multipleOf
// ErrorDetails: multiple
MultipleOfError struct {
ResultErrorFields
}
// NumberGTEError is produced if a number is lower than the allowed minimum
// ErrorDetails: min
NumberGTEError struct {
ResultErrorFields
}
// NumberGTError is produced if a number is lower than, or equal to the specified minimum, and exclusiveMinimum is set
// ErrorDetails: min
NumberGTError struct {
ResultErrorFields
}
// NumberLTEError is produced if a number is higher than the allowed maximum
// ErrorDetails: max
NumberLTEError struct {
ResultErrorFields
}
// NumberLTError is produced if a number is higher than, or equal to the specified maximum, and exclusiveMaximum is set
// ErrorDetails: max
NumberLTError struct {
ResultErrorFields
}
// ConditionThenError is produced if a condition's "then" validation is invalid
// ErrorDetails: -
ConditionThenError struct {
ResultErrorFields
}
// ConditionElseError is produced if a condition's "else" condition is invalid
// ErrorDetails: -
ConditionElseError struct {
ResultErrorFields
}
)
// newError takes a ResultError type and sets the type, context, description, details, value, and field
func newError(err ResultError, context *JsonContext, value interface{}, locale locale, details ErrorDetails) {
var t string
var d string
switch err.(type) {
case *FalseError:
t = "false"
d = locale.False()
case *RequiredError:
t = "required"
d = locale.Required()
case *InvalidTypeError:
t = "invalid_type"
d = locale.InvalidType()
case *NumberAnyOfError:
t = "number_any_of"
d = locale.NumberAnyOf()
case *NumberOneOfError:
t = "number_one_of"
d = locale.NumberOneOf()
case *NumberAllOfError:
t = "number_all_of"
d = locale.NumberAllOf()
case *NumberNotError:
t = "number_not"
d = locale.NumberNot()
case *MissingDependencyError:
t = "missing_dependency"
d = locale.MissingDependency()
case *InternalError:
t = "internal"
d = locale.Internal()
case *ConstError:
t = "const"
d = locale.Const()
case *EnumError:
t = "enum"
d = locale.Enum()
case *ArrayNoAdditionalItemsError:
t = "array_no_additional_items"
d = locale.ArrayNoAdditionalItems()
case *ArrayMinItemsError:
t = "array_min_items"
d = locale.ArrayMinItems()
case *ArrayMaxItemsError:
t = "array_max_items"
d = locale.ArrayMaxItems()
case *ItemsMustBeUniqueError:
t = "unique"
d = locale.Unique()
case *ArrayContainsError:
t = "contains"
d = locale.ArrayContains()
case *ArrayMinPropertiesError:
t = "array_min_properties"
d = locale.ArrayMinProperties()
case *ArrayMaxPropertiesError:
t = "array_max_properties"
d = locale.ArrayMaxProperties()
case *AdditionalPropertyNotAllowedError:
t = "additional_property_not_allowed"
d = locale.AdditionalPropertyNotAllowed()
case *InvalidPropertyPatternError:
t = "invalid_property_pattern"
d = locale.InvalidPropertyPattern()
case *InvalidPropertyNameError:
t = "invalid_property_name"
d = locale.InvalidPropertyName()
case *StringLengthGTEError:
t = "string_gte"
d = locale.StringGTE()
case *StringLengthLTEError:
t = "string_lte"
d = locale.StringLTE()
case *DoesNotMatchPatternError:
t = "pattern"
d = locale.DoesNotMatchPattern()
case *DoesNotMatchFormatError:
t = "format"
d = locale.DoesNotMatchFormat()
case *MultipleOfError:
t = "multiple_of"
d = locale.MultipleOf()
case *NumberGTEError:
t = "number_gte"
d = locale.NumberGTE()
case *NumberGTError:
t = "number_gt"
d = locale.NumberGT()
case *NumberLTEError:
t = "number_lte"
d = locale.NumberLTE()
case *NumberLTError:
t = "number_lt"
d = locale.NumberLT()
case *ConditionThenError:
t = "condition_then"
d = locale.ConditionThen()
case *ConditionElseError:
t = "condition_else"
d = locale.ConditionElse()
}
err.SetType(t)
err.SetContext(context)
err.SetValue(value)
err.SetDetails(details)
err.SetDescriptionFormat(d)
details["field"] = err.Field()
if _, exists := details["context"]; !exists && context != nil {
details["context"] = context.String()
}
err.SetDescription(formatErrorDescription(err.DescriptionFormat(), details))
}
// formatErrorDescription takes a string in the default text/template
// format and converts it to a string with replacements. The fields come
// from the ErrorDetails struct and vary for each type of error.
func formatErrorDescription(s string, details ErrorDetails) string {
var tpl *template.Template
var descrAsBuffer bytes.Buffer
var err error
errorTemplates.RLock()
tpl = errorTemplates.Lookup(s)
errorTemplates.RUnlock()
if tpl == nil {
errorTemplates.Lock()
tpl = errorTemplates.New(s)
if ErrorTemplateFuncs != nil {
tpl.Funcs(ErrorTemplateFuncs)
}
tpl, err = tpl.Parse(s)
errorTemplates.Unlock()
if err != nil {
return err.Error()
}
}
err = tpl.Execute(&descrAsBuffer, details)
if err != nil {
return err.Error()
}
return descrAsBuffer.String()
}