forked from apache/beam
-
Notifications
You must be signed in to change notification settings - Fork 0
/
local.go
56 lines (46 loc) · 1.65 KB
/
local.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
// Licensed to the Apache Software Foundation (ASF) under one or more
// contributor license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright ownership.
// The ASF licenses this file to You 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 local contains a local file implementation of the Beam file system.
package local
import (
"context"
"io"
"os"
"path/filepath"
"github.com/apache/beam/sdks/go/pkg/beam/io/filesystem"
)
func init() {
filesystem.Register("default", New)
}
type fs struct{}
// New creates a new local filesystem.
func New(ctx context.Context) filesystem.Interface {
return &fs{}
}
func (f *fs) Close() error {
return nil
}
func (f *fs) List(ctx context.Context, glob string) ([]string, error) {
return filepath.Glob(glob)
}
func (f *fs) OpenRead(ctx context.Context, filename string) (io.ReadCloser, error) {
return os.Open(filename)
}
func (f *fs) OpenWrite(ctx context.Context, filename string) (io.WriteCloser, error) {
if err := os.MkdirAll(filepath.Dir(filename), 0755); err != nil {
return nil, err
}
return os.OpenFile(filename, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0644)
}