blob: 99e40e3edd9e393f98be952d120938a56a3e4620 (
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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/*
* 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 org.apg;
import java.io.ByteArrayOutputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import org.apg.Apg.GeneralException;
import org.apg.R;
import android.content.Context;
import android.os.Environment;
public class DataDestination {
private String mStreamFilename;
private String mFilename;
private int mMode = Id.mode.undefined;
public DataDestination() {
}
public void setMode(int mode) {
mMode = mode;
}
public void setFilename(String filename) {
mFilename = filename;
}
public String getStreamFilename() {
return mStreamFilename;
}
public OutputStream getOutputStream(Context context) throws Apg.GeneralException,
FileNotFoundException, IOException {
OutputStream out = null;
mStreamFilename = null;
switch (mMode) {
case Id.mode.stream: {
try {
while (true) {
mStreamFilename = Apg.generateRandomString(32);
if (mStreamFilename == null) {
throw new Apg.GeneralException("couldn't generate random file name");
}
context.openFileInput(mStreamFilename).close();
}
} catch (FileNotFoundException e) {
// found a name that isn't used yet
}
out = context.openFileOutput(mStreamFilename, Context.MODE_PRIVATE);
break;
}
case Id.mode.byte_array: {
out = new ByteArrayOutputStream();
break;
}
case Id.mode.file: {
if (mFilename.startsWith(Environment.getExternalStorageDirectory().getAbsolutePath())) {
if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
throw new GeneralException(
context.getString(R.string.error_externalStorageNotReady));
}
}
out = new FileOutputStream(mFilename);
break;
}
default: {
break;
}
}
return out;
}
}
|
