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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
package de.thedevstack.conversationsplus.persistance;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;
import java.util.Locale;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Environment;
import android.webkit.MimeTypeMap;
import de.thedevstack.android.logcat.Logging;
import de.thedevstack.conversationsplus.Config;
import de.thedevstack.conversationsplus.ConversationsPlusApplication;
import de.thedevstack.conversationsplus.ConversationsPlusPreferences;
import de.thedevstack.conversationsplus.R;
import de.thedevstack.conversationsplus.entities.Transferable;
import de.thedevstack.conversationsplus.entities.DownloadableFile;
import de.thedevstack.conversationsplus.entities.Message;
import de.thedevstack.conversationsplus.exceptions.FileCopyException;
import de.thedevstack.conversationsplus.utils.ImageUtil;
import de.thedevstack.conversationsplus.utils.MessageUtil;
import de.thedevstack.conversationsplus.utils.StreamUtil;
public final class FileBackend {
private static final SimpleDateFormat imageDateFormat = new SimpleDateFormat("yyyyMMdd_HHmmssSSS", Locale.US);
public static DownloadableFile getFile(Message message) {
return getFile(message, true);
}
public static DownloadableFile getFile(Message message, boolean decrypted) {
String path = message.getRelativeFilePath();
String extension;
if (path != null && !path.isEmpty()) {
String[] parts = path.split("\\.");
extension = "."+parts[parts.length - 1];
} else {
if (message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_TEXT) {
extension = ".png";
} else {
extension = "";
}
path = message.getUuid()+extension;
}
final boolean encrypted = !decrypted
&& (message.getEncryption() == Message.ENCRYPTION_PGP
|| message.getEncryption() == Message.ENCRYPTION_DECRYPTED);
if (encrypted) {
return new DownloadableFile(getConversationsFileDirectory()+message.getUuid()+extension+".pgp");
} else {
if (path.startsWith("/")) {
return new DownloadableFile(path);
} else {
if (Arrays.asList(Transferable.VALID_IMAGE_EXTENSIONS).contains(extension)) {
return new DownloadableFile(getConversationsImageDirectory() + path);
} else {
return new DownloadableFile(getConversationsFileDirectory() + path);
}
}
}
}
public static String getConversationsFileDirectory() {
return Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator + ConversationsPlusPreferences.fileTransferFolder() + File.separator;
}
public static String getConversationsImageDirectory() {
return Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).getAbsolutePath() + File.separator + ConversationsPlusPreferences.imgTransferFolder() + File.separator;
}
private static String getPrivateFileDirectoryPath() {
return ConversationsPlusApplication.getPrivateFilesDir().getAbsolutePath();
}
private static String getPrivateImageDirectoryPath() {
return FileBackend.getPrivateFileDirectoryPath() + File.separator + "Images" + File.separator;
}
public static DownloadableFile copyFileToPrivateStorage(Message message, Uri uri) throws FileCopyException {
Logging.d(Config.LOGTAG, "copy " + uri.toString() + " to private storage");
String mime = ConversationsPlusApplication.getInstance().getContentResolver().getType(uri);
String extension = MimeTypeMap.getSingleton().getExtensionFromMimeType(mime);
message.setRelativeFilePath(FileBackend.getPrivateFileDirectoryPath() + message.getUuid() + "." + extension);
DownloadableFile file = getFile(message);
file.getParentFile().mkdirs();
OutputStream os = null;
InputStream is = null;
try {
file.createNewFile();
os = new FileOutputStream(file);
is = StreamUtil.openInputStreamFromContentResolver(uri);
byte[] buffer = new byte[1024];
int length;
while ((length = is.read(buffer)) > 0) {
os.write(buffer, 0, length);
}
os.flush();
} catch(FileNotFoundException e) {
throw new FileCopyException(R.string.error_file_not_found);
} catch (IOException e) {
e.printStackTrace();
throw new FileCopyException(R.string.error_io_exception);
} finally {
StreamUtil.close(os);
StreamUtil.close(is);
}
Logging.d(Config.LOGTAG, "output file name " + file);
return file;
}
public static DownloadableFile compressImageAndCopyToPrivateStorage(Message message, Bitmap scaledBitmap) throws FileCopyException {
message.setRelativeFilePath(FileBackend.getPrivateImageDirectoryPath() + message.getUuid() + ".png");
DownloadableFile file = getFile(message);
file.getParentFile().mkdirs();
OutputStream os = null;
try {
file.createNewFile();
os = new FileOutputStream(file);
boolean success = scaledBitmap.compress(Bitmap.CompressFormat.PNG, 75, os);
if (!success) {
throw new FileCopyException(R.string.error_compressing_image);
}
os.flush();
} catch (IOException e) {
throw new FileCopyException(R.string.error_io_exception, e);
} catch (SecurityException e) {
throw new FileCopyException(R.string.error_security_exception_during_image_copy);
} catch (NullPointerException e) {
throw new FileCopyException(R.string.error_io_exception);
} finally {
StreamUtil.close(os);
}
return file;
}
public static Uri getTakePhotoUri() {
StringBuilder pathBuilder = new StringBuilder();
pathBuilder.append(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM));
pathBuilder.append('/');
pathBuilder.append("Camera");
pathBuilder.append('/');
pathBuilder.append("IMG_" + imageDateFormat.format(new Date()) + ".jpg");
Uri uri = Uri.parse("file://" + pathBuilder.toString());
File file = new File(uri.toString());
file.getParentFile().mkdirs();
return uri;
}
public static Uri getJingleFileUri(Message message) {
File file = getFile(message);
return Uri.parse("file://" + file.getAbsolutePath());
}
public static boolean isFileAvailable(Message message) {
return getFile(message).exists();
}
private FileBackend() {
// Static helper class
}
}
|
