/*
 * 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)
}
