srpmproc/internal/blob/file/file.go

55 lines
971 B
Go

package file
import (
"io/ioutil"
"log"
"os"
"path/filepath"
)
type File struct {
path string
}
func New(path string) *File {
return &File{
path: path,
}
}
func (f *File) Write(path string, content []byte) {
w, err := os.OpenFile(filepath.Join(f.path, path), os.O_CREATE|os.O_TRUNC|os.O_RDWR, 0644)
if err != nil {
log.Fatalf("could not open file: %v", err)
}
_, err = w.Write(content)
if err != nil {
log.Fatalf("could not write file to file: %v", err)
}
// Close, just like writing a file.
if err := w.Close(); err != nil {
log.Fatalf("could not close file writer to source: %v", err)
}
}
func (f *File) Read(path string) []byte {
r, err := os.OpenFile(filepath.Join(f.path, path), os.O_RDONLY, 0644)
if err != nil {
return nil
}
body, err := ioutil.ReadAll(r)
if err != nil {
return nil
}
return body
}
func (f *File) Exists(path string) bool {
_, err := os.Stat(filepath.Join(f.path, path))
return !os.IsNotExist(err)
}