mirror of
https://github.com/yunionio/cloudpods.git
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84 lines
2.2 KiB
Go
84 lines
2.2 KiB
Go
// Copyright 2019 Yunion
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package validators
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import (
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"context"
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"yunion.io/x/jsonutils"
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)
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type ValidatorStringLen struct {
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Validator
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Value string
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minLen int
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maxLen int
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}
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func NewStringLenRangeValidator(key string, minLen, maxLen int) *ValidatorStringLen {
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v := &ValidatorStringLen{
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Validator: Validator{Key: key},
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minLen: minLen,
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maxLen: maxLen,
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}
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v.SetParent(v)
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return v
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}
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func NewMinStringLenValidator(key string, minLen int) *ValidatorStringLen {
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return NewStringLenRangeValidator(key, minLen, -1)
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}
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func NewMaxStringLenValidator(key string, maxLen int) *ValidatorStringLen {
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return NewStringLenRangeValidator(key, -1, maxLen)
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}
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func NewStringNonEmptyValidator(key string) *ValidatorStringLen {
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return NewMinStringLenValidator(key, 1)
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}
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func (v *ValidatorStringLen) Default(s string) IValidator {
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if v.minLen >= 0 && len(s) < v.minLen {
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panic("invalid default string: shorter than validator requirement")
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}
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if v.maxLen >= 0 && len(s) > v.maxLen {
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panic("invalid default string: shorter than validator requirement")
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}
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return v.Validator.Default(s)
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}
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func (v *ValidatorStringLen) getValue() interface{} {
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return v.Value
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}
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func (v *ValidatorStringLen) Validate(ctx context.Context, data *jsonutils.JSONDict) error {
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if err, isSet := v.Validator.validateEx(data); err != nil || !isSet {
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return err
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}
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s, err := v.value.GetString()
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if err != nil {
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return newGeneralError(v.Key, err)
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}
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if v.minLen >= 0 && len(s) < v.minLen {
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return newStringTooShortError(v.Key, len(s), v.minLen)
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}
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if v.maxLen >= 0 && len(s) > v.maxLen {
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return newStringTooLongError(v.Key, len(s), v.maxLen)
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}
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data.Set(v.Key, jsonutils.NewString(s))
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v.Value = s
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return nil
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}
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