Files
cgrates/config/dataprovider.go

52 lines
1.7 KiB
Go

/*
Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
Copyright (C) ITsysCOM GmbH
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>
*/
package config
import (
"net"
"strings"
"github.com/cgrates/cgrates/utils"
)
// DataProvider is a data source from multiple formats
type DataProvider interface {
String() string // printable version of data
FieldAsInterface(fldPath []string) (interface{}, error)
FieldAsString(fldPath []string) (string, error)
AsNavigableMap([]*FCTemplate) (*NavigableMap, error)
RemoteHost() net.Addr
}
func DPDynamicInterface(dnVal string, dP DataProvider) (interface{}, error) {
if strings.HasPrefix(dnVal, utils.DynamicDataPrefix) {
dnVal = strings.TrimPrefix(dnVal, utils.DynamicDataPrefix)
return dP.FieldAsInterface(strings.Split(dnVal, utils.NestingSep))
}
return utils.StringToInterface(dnVal), nil
}
func DPDynamicString(dnVal string, dP DataProvider) (string, error) {
if strings.HasPrefix(dnVal, utils.DynamicDataPrefix) {
dnVal = strings.TrimPrefix(dnVal, utils.DynamicDataPrefix)
return dP.FieldAsString(strings.Split(dnVal, utils.NestingSep))
}
return dnVal, nil
}