You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

124 lines
3.1 KiB

/*
* MinIO Cloud Storage, (C) 2018 MinIO, Inc.
*
* 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 condition
import (
"encoding/json"
"fmt"
)
type name string
const (
stringEquals name = "StringEquals"
stringNotEquals = "StringNotEquals"
stringEqualsIgnoreCase = "StringEqualsIgnoreCase"
stringNotEqualsIgnoreCase = "StringNotEqualsIgnoreCase"
stringLike = "StringLike"
stringNotLike = "StringNotLike"
binaryEquals = "BinaryEquals"
ipAddress = "IpAddress"
notIPAddress = "NotIpAddress"
null = "Null"
boolean = "Bool"
numericEquals = "NumericEquals"
numericNotEquals = "NumericNotEquals"
numericLessThan = "NumericLessThan"
numericLessThanEquals = "NumericLessThanEquals"
numericGreaterThan = "NumericGreaterThan"
numericGreaterThanEquals = "NumericGreaterThanEquals"
dateEquals = "DateEquals"
dateNotEquals = "DateNotEquals"
dateLessThan = "DateLessThan"
dateLessThanEquals = "DateLessThanEquals"
dateGreaterThan = "DateGreaterThan"
dateGreaterThanEquals = "DateGreaterThanEquals"
)
var supportedConditions = []name{
stringEquals,
stringNotEquals,
stringEqualsIgnoreCase,
stringNotEqualsIgnoreCase,
binaryEquals,
stringLike,
stringNotLike,
ipAddress,
notIPAddress,
null,
boolean,
numericEquals,
numericNotEquals,
numericLessThan,
numericLessThanEquals,
numericGreaterThan,
numericGreaterThanEquals,
dateEquals,
dateNotEquals,
dateLessThan,
dateLessThanEquals,
dateGreaterThan,
dateGreaterThanEquals,
// Add new conditions here.
}
// IsValid - checks if name is valid or not.
func (n name) IsValid() bool {
for _, supn := range supportedConditions {
if n == supn {
return true
}
}
return false
}
// MarshalJSON - encodes name to JSON data.
func (n name) MarshalJSON() ([]byte, error) {
if !n.IsValid() {
return nil, fmt.Errorf("invalid name %v", n)
}
return json.Marshal(string(n))
}
// UnmarshalJSON - decodes JSON data to condition name.
func (n *name) UnmarshalJSON(data []byte) error {
var s string
if err := json.Unmarshal(data, &s); err != nil {
return err
}
parsedName, err := parseName(s)
if err != nil {
return err
}
*n = parsedName
return nil
}
func parseName(s string) (name, error) {
n := name(s)
if n.IsValid() {
return n, nil
}
return n, fmt.Errorf("invalid condition name '%v'", s)
}