56 lines
1.0 KiB
Go
56 lines
1.0 KiB
Go
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package util
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import (
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"os"
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"strings"
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"github.com/golang/glog"
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)
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type myfile struct{}
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// File utilities.
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var File = myfile{}
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// IsExist determines whether the file spcified by the given path is exists.
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func (*myfile) IsExist(path string) bool {
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_, err := os.Stat(path)
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return err == nil || os.IsExist(err)
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}
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// IsBinary determines whether the specified content is a binary file content.
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func (*myfile) IsBinary(content string) bool {
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for _, b := range content {
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if 0 == b {
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return true
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}
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}
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return false
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}
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// IsImg determines whether the specified extension is a image.
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func (*myfile) IsImg(extension string) bool {
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ext := strings.ToLower(extension)
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switch ext {
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case ".jpg", ".jpeg", ".bmp", ".gif", ".png", ".svg", ".ico":
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return true
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default:
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return false
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}
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}
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// IsDir determines whether the specified path is a directory.
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func (*myfile) IsDir(path string) bool {
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fio, err := os.Lstat(path)
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if nil != err {
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glog.Warningf("Determines whether [%s] is a directory failed: [%v]", path, err)
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return false
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}
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return fio.IsDir()
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}
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