blob: 625e1c1ca8b33f75f89e3c02b900150da016706f (
plain)
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
|
/*
* Copyright 2022 Google LLC
*
* Licensed 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 com.google.android.libraries.mobiledatadownload.file.backends;
import android.net.Uri;
import android.text.TextUtils;
import com.google.android.libraries.mobiledatadownload.file.common.MalformedUriException;
import java.io.File;
/**
* Adapter for converting "file:" URIs into java.io.File. This is considered dangerous since it
* ignores parts of the Uri at the caller's peril, and thus is only available to whitelisted clients
* (mostly internal).
*/
public class FileUriAdapter implements UriAdapter {
private static final FileUriAdapter INSTANCE = new FileUriAdapter();
private FileUriAdapter() {}
public static FileUriAdapter instance() {
return INSTANCE;
}
@Override
public File toFile(Uri uri) throws MalformedUriException {
if (!uri.getScheme().equals("file")) {
throw new MalformedUriException("Scheme must be 'file'");
}
if (!TextUtils.isEmpty(uri.getQuery())) {
throw new MalformedUriException("Did not expect uri to have query");
}
if (!TextUtils.isEmpty(uri.getAuthority())) {
throw new MalformedUriException("Did not expect uri to have authority");
}
return new File(uri.getPath());
}
}
|