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factory.go
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factory.go
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/*
* Copyright (c) 2020 Baidu, 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 userlog
import (
"fmt"
)
type LogCreator func(string, int) (UserLogFile, error)
var (
creators = map[string]LogCreator{}
)
func RegisterLogWriter(logtype string, creator LogCreator) {
creators[logtype] = creator
}
func CreateLogWriter(logtype string, fpath string, cap int) (UserLogFile, error) {
creator, ok := creators[logtype]
if !ok {
return nil, fmt.Errorf("unknown logtype %s", logtype)
}
return creator(fpath, cap)
}