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Code Issues Releases Wiki Activity

devsk's patch to fix incorrect IMAP message fetching. Fix utilizes UIDNEXT to determine which messages to grab.

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This commit is contained in:
Matthew Brace 2008-12-11 07:03:00 +00:00
parent a69ff4b337
commit 20b46255c0
1 changed files with 18 additions and 0 deletions
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18
src/com/fsck/k9/mail/store/ImapStore.java
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@ -304,6 +304,7 @@ public class ImapStore extends Store {
class ImapFolder extends Folder {
private String mName;
private int mMessageCount = -1;
private int mUIDNext = -1;
private ImapConnection mConnection;
private OpenMode mMode;
private boolean mExists;
@ -369,6 +370,13 @@ public class ImapStore extends Store {
if (response.mTag == null && response.get(1).equals("EXISTS")) {
mMessageCount = response.getNumber(0);
}
else if (response.mTag == null && response.size() >= 4 && response.getString(3).equalsIgnoreCase("predicted")) {
// we have a server which specifies the UID of next message that will come into this folder
// get the value for UIDNEXT in this case.
String mUIDNextStr = response.getString(2);
mUIDNext = Integer.parseInt(mUIDNextStr.substring(0, mUIDNextStr.length()-1));
}
else if (response.mTag != null && response.size() >= 2) {
if ("[READ-ONLY]".equalsIgnoreCase(response.getString(1))) {
mMode = OpenMode.READ_ONLY;
@ -564,11 +572,21 @@ public class ImapStore extends Store {
@Override
public Message[] getMessages(int start, int end, MessageRetrievalListener listener)
throws MessagingException {
int visibleLimit = end - start + 1;
if (start < 1 || end < 1 || end < start) {
throw new MessagingException(
String.format("Invalid message set %d %d",
start, end));
}
// adjust start and end if UIDNEXT was seen in SELECT
// Note that mUIDNext will be 3 if there are 2 messages in the folder
// If there are 2 messages in the folder visibleLimit is 2
// This math avoids having to change non-store top level code
if (mUIDNext > 0) {
start = Math.max(1, mUIDNext - visibleLimit);
end = mUIDNext;
}
checkOpen();
ArrayList<Message> messages = new ArrayList<Message>();
try {