1package eu.siacs.conversations.services;
 2
 3import java.io.File;
 4import java.io.FileNotFoundException;
 5
 6import eu.siacs.conversations.entities.Account;
 7import eu.siacs.conversations.entities.Conversation;
 8import eu.siacs.conversations.entities.Message;
 9import eu.siacs.conversations.persistance.DatabaseBackend;
10import eu.siacs.conversations.persistance.FileBackend;
11
12import android.content.ContentProvider;
13import android.content.ContentValues;
14import android.database.Cursor;
15import android.net.Uri;
16import android.os.ParcelFileDescriptor;
17import android.util.Log;
18
19public class ImageProvider extends ContentProvider {
20
21	@Override
22	public ParcelFileDescriptor openFile(Uri uri, String mode)
23			throws FileNotFoundException {
24		DatabaseBackend databaseBackend = DatabaseBackend
25				.getInstance(getContext());
26		FileBackend fileBackend = new FileBackend(getContext());
27		String uuids = uri.getPath();
28		Log.d("xmppService", "uuids = " + uuids);
29		if (uuids == null) {
30			throw new FileNotFoundException();
31		}
32		String[] uuidsSplited = uuids.split("/");
33		if (uuidsSplited.length != 3) {
34			throw new FileNotFoundException();
35		}
36		String conversationUuid = uuidsSplited[1];
37		String messageUuid = uuidsSplited[2];
38
39		Conversation conversation = databaseBackend
40				.findConversationByUuid(conversationUuid);
41		if (conversation == null) {
42			throw new FileNotFoundException("conversation " + conversationUuid
43					+ " could not be found");
44		}
45		Message message = databaseBackend.findMessageByUuid(messageUuid);
46		if (message == null) {
47			throw new FileNotFoundException("message " + messageUuid
48					+ " could not be found");
49		}
50
51		Account account = databaseBackend.findAccountByUuid(conversation
52				.getAccountUuid());
53		if (account == null) {
54			throw new FileNotFoundException("account "
55					+ conversation.getAccountUuid() + " cound not be found");
56		}
57		message.setConversation(conversation);
58		conversation.setAccount(account);
59
60		File file = fileBackend.getJingleFile(message);
61		ParcelFileDescriptor pfd = ParcelFileDescriptor.open(file,
62				ParcelFileDescriptor.MODE_READ_ONLY);
63		return pfd;
64	}
65
66	@Override
67	public int delete(Uri arg0, String arg1, String[] arg2) {
68		return 0;
69	}
70
71	@Override
72	public String getType(Uri arg0) {
73		return null;
74	}
75
76	@Override
77	public Uri insert(Uri arg0, ContentValues arg1) {
78		return null;
79	}
80
81	@Override
82	public boolean onCreate() {
83		return false;
84	}
85
86	@Override
87	public Cursor query(Uri arg0, String[] arg1, String arg2, String[] arg3,
88			String arg4) {
89		return null;
90	}
91
92	@Override
93	public int update(Uri arg0, ContentValues arg1, String arg2, String[] arg3) {
94		return 0;
95	}
96
97}