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gitea/vendor/github.com/go-macaron/binding/errors.go

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2016-11-03 22:16:01 +00:00
// Copyright 2014 Martini Authors
// Copyright 2014 The Macaron Authors
//
// Licensed under the Apache License, Version 2.0 (the "License"): you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
package binding
const (
// Type mismatch errors.
ERR_CONTENT_TYPE = "ContentTypeError"
ERR_DESERIALIZATION = "DeserializationError"
ERR_INTERGER_TYPE = "IntegerTypeError"
ERR_BOOLEAN_TYPE = "BooleanTypeError"
ERR_FLOAT_TYPE = "FloatTypeError"
// Validation errors.
ERR_REQUIRED = "RequiredError"
ERR_ALPHA_DASH = "AlphaDashError"
ERR_ALPHA_DASH_DOT = "AlphaDashDotError"
ERR_SIZE = "SizeError"
ERR_MIN_SIZE = "MinSizeError"
ERR_MAX_SIZE = "MaxSizeError"
ERR_RANGE = "RangeError"
ERR_EMAIL = "EmailError"
ERR_URL = "UrlError"
ERR_IN = "InError"
ERR_NOT_INT = "NotInError"
ERR_INCLUDE = "IncludeError"
ERR_EXCLUDE = "ExcludeError"
ERR_DEFAULT = "DefaultError"
)
type (
// Errors may be generated during deserialization, binding,
// or validation. This type is mapped to the context so you
// can inject it into your own handlers and use it in your
// application if you want all your errors to look the same.
Errors []Error
Error struct {
// An error supports zero or more field names, because an
// error can morph three ways: (1) it can indicate something
// wrong with the request as a whole, (2) it can point to a
// specific problem with a particular input field, or (3) it
// can span multiple related input fields.
FieldNames []string `json:"fieldNames,omitempty"`
// The classification is like an error code, convenient to
// use when processing or categorizing an error programmatically.
// It may also be called the "kind" of error.
Classification string `json:"classification,omitempty"`
// Message should be human-readable and detailed enough to
// pinpoint and resolve the problem, but it should be brief. For
// example, a payload of 100 objects in a JSON array might have
// an error in the 41st object. The message should help the
// end user find and fix the error with their request.
Message string `json:"message,omitempty"`
}
)
// Add adds an error associated with the fields indicated
// by fieldNames, with the given classification and message.
func (e *Errors) Add(fieldNames []string, classification, message string) {
*e = append(*e, Error{
FieldNames: fieldNames,
Classification: classification,
Message: message,
})
}
// Len returns the number of errors.
func (e *Errors) Len() int {
return len(*e)
}
// Has determines whether an Errors slice has an Error with
// a given classification in it; it does not search on messages
// or field names.
func (e *Errors) Has(class string) bool {
for _, err := range *e {
if err.Kind() == class {
return true
}
}
return false
}
/*
// WithClass gets a copy of errors that are classified by the
// the given classification.
func (e *Errors) WithClass(classification string) Errors {
var errs Errors
for _, err := range *e {
if err.Kind() == classification {
errs = append(errs, err)
}
}
return errs
}
// ForField gets a copy of errors that are associated with the
// field by the given name.
func (e *Errors) ForField(name string) Errors {
var errs Errors
for _, err := range *e {
for _, fieldName := range err.Fields() {
if fieldName == name {
errs = append(errs, err)
break
}
}
}
return errs
}
// Get gets errors of a particular class for the specified
// field name.
func (e *Errors) Get(class, fieldName string) Errors {
var errs Errors
for _, err := range *e {
if err.Kind() == class {
for _, nameOfField := range err.Fields() {
if nameOfField == fieldName {
errs = append(errs, err)
break
}
}
}
}
return errs
}
*/
// Fields returns the list of field names this error is
// associated with.
func (e Error) Fields() []string {
return e.FieldNames
}
// Kind returns this error's classification.
func (e Error) Kind() string {
return e.Classification
}
// Error returns this error's message.
func (e Error) Error() string {
return e.Message
}