fileWriter.go

package blog4go

import (

"fmt"

"path"

"strings"

)

// NewFileWriter initialize a file writer

// baseDir must be base directory of log files

// rotate determine if it will logrotate

func NewFileWriter(baseDir string, rotate bool) (err error) {

singltonLock.Lock()

defer singltonLock.Unlock()

if nil != blog {

return ErrAlreadyInit

}

fileWriter := new(MultiWriter)

fileWriter.level = DEBUG

fileWriter.closed = false

fileWriter.writers = make(map[LevelType]Writer)

for _, level := range Levels {

fileName := fmt.Sprintf("%s.log", strings.ToLower(level.String()))

writer, err := newBaseFileWriter(path.Join(baseDir, fileName), rotate)

if nil != err {

return err

}

fileWriter.writers[level] = writer

}

// log hook

fileWriter.hook = nil

fileWriter.hookLevel = DEBUG

fileWriter.hookAsync = true

blog = fileWriter

return

}