mirror of https://github.com/minio/minio.git
89 lines
1.9 KiB
Go
89 lines
1.9 KiB
Go
package donut
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import (
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"encoding/json"
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"io/ioutil"
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"os"
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"path"
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)
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func newDonutObjectWriter(objectDir string) (Writer, error) {
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dataFile, err := os.OpenFile(path.Join(objectDir, "data"), os.O_WRONLY|os.O_CREATE|os.O_EXCL, 0600)
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if err != nil {
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return nil, err
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}
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return donutObjectWriter{
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root: objectDir,
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file: dataFile,
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metadata: make(map[string]string),
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donutMetadata: make(map[string]string),
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}, nil
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}
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type donutObjectWriter struct {
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root string
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file *os.File
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metadata map[string]string
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donutMetadata map[string]string
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err error
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}
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func (d donutObjectWriter) Write(data []byte) (int, error) {
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return d.file.Write(data)
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}
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func (d donutObjectWriter) Close() error {
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if d.err != nil {
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return d.err
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}
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metadata, _ := json.Marshal(d.metadata)
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ioutil.WriteFile(path.Join(d.root, "metadata.json"), metadata, 0600)
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donutMetadata, _ := json.Marshal(d.donutMetadata)
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ioutil.WriteFile(path.Join(d.root, "donutMetadata.json"), donutMetadata, 0600)
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return d.file.Close()
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}
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func (d donutObjectWriter) CloseWithError(err error) error {
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if d.err != nil {
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d.err = err
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}
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return d.Close()
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}
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func (d donutObjectWriter) SetMetadata(metadata map[string]string) error {
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for k := range d.metadata {
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delete(d.metadata, k)
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}
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for k, v := range metadata {
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d.metadata[k] = v
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}
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return nil
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}
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func (d donutObjectWriter) GetMetadata() (map[string]string, error) {
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metadata := make(map[string]string)
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for k, v := range d.metadata {
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metadata[k] = v
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}
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return metadata, nil
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}
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func (d donutObjectWriter) SetDonutMetadata(metadata map[string]string) error {
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for k := range d.donutMetadata {
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delete(d.donutMetadata, k)
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}
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for k, v := range metadata {
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d.donutMetadata[k] = v
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}
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return nil
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}
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func (d donutObjectWriter) GetDonutMetadata() (map[string]string, error) {
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donutMetadata := make(map[string]string)
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for k, v := range d.donutMetadata {
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donutMetadata[k] = v
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}
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return donutMetadata, nil
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}
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