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
|
package eu.siacs.conversations.services;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.entities.Conversation;
import eu.siacs.conversations.entities.Message;
import eu.siacs.conversations.persistance.DatabaseBackend;
import eu.siacs.conversations.persistance.FileBackend;
import android.content.ContentProvider;
import android.content.ContentValues;
import android.database.Cursor;
import android.net.Uri;
import android.os.ParcelFileDescriptor;
import android.util.Log;
public class ImageProvider extends ContentProvider {
@Override
public ParcelFileDescriptor openFile(Uri uri, String mode)
throws FileNotFoundException {
ParcelFileDescriptor pfd;
FileBackend fileBackend = new FileBackend(getContext());
if ("r".equals(mode)) {
DatabaseBackend databaseBackend = DatabaseBackend
.getInstance(getContext());
String uuids = uri.getPath();
Log.d("xmppService", "uuids = " + uuids+" mode="+mode);
if (uuids == null) {
throw new FileNotFoundException();
}
String[] uuidsSplited = uuids.split("/");
if (uuidsSplited.length != 3) {
throw new FileNotFoundException();
}
String conversationUuid = uuidsSplited[1];
String messageUuid = uuidsSplited[2].split("\\.")[0];
Log.d("xmppService","messageUuid="+messageUuid);
Conversation conversation = databaseBackend
.findConversationByUuid(conversationUuid);
if (conversation == null) {
throw new FileNotFoundException("conversation " + conversationUuid
+ " could not be found");
}
Message message = databaseBackend.findMessageByUuid(messageUuid);
if (message == null) {
throw new FileNotFoundException("message " + messageUuid
+ " could not be found");
}
Account account = databaseBackend.findAccountByUuid(conversation
.getAccountUuid());
if (account == null) {
throw new FileNotFoundException("account "
+ conversation.getAccountUuid() + " cound not be found");
}
message.setConversation(conversation);
conversation.setAccount(account);
File file = fileBackend.getJingleFile(message);
pfd = ParcelFileDescriptor.open(file,
ParcelFileDescriptor.MODE_READ_ONLY);
return pfd;
} else if ("w".equals(mode)){
File file = fileBackend.getIncomingFile();
try {
file.createNewFile();
} catch (IOException e) {
throw new FileNotFoundException();
}
pfd = ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_WRITE);
return pfd;
} else {
throw new FileNotFoundException();
}
}
@Override
public int delete(Uri arg0, String arg1, String[] arg2) {
return 0;
}
@Override
public String getType(Uri arg0) {
return null;
}
@Override
public Uri insert(Uri arg0, ContentValues arg1) {
return null;
}
@Override
public boolean onCreate() {
return false;
}
@Override
public Cursor query(Uri arg0, String[] arg1, String arg2, String[] arg3,
String arg4) {
return null;
}
@Override
public int update(Uri arg0, ContentValues arg1, String arg2, String[] arg3) {
return 0;
}
public static Uri getContentUri(Message message) {
return Uri
.parse("content://eu.siacs.conversations.images/"
+ message.getConversationUuid()
+ "/"
+ message.getUuid()
+ ".webp");
}
public static Uri getIncomingContentUri() {
return Uri.parse("content://eu.siacs.conversations.images/incoming");
}
}
|
