/**
* Appends the given messages to the selected folder. This implementation also determines the new
* UID of the given message on the IMAP server and sets the Message's UID to the new server UID.
*/
@Override
public void appendMessages(Message[] messages) throws MessagingException {
checkOpen();
try {
for (Message message : messages) {
// Create output count
CountingOutputStream out = new CountingOutputStream();
EOLConvertingOutputStream eolOut = new EOLConvertingOutputStream(out);
message.writeTo(eolOut);
eolOut.flush();
// Create flag list (most often this will be "\SEEN")
String flagList = "";
Flag[] flags = message.getFlags();
if (flags.length > 0) {
StringBuilder sb = new StringBuilder();
for (int i = 0, count = flags.length; i < count; i++) {
Flag flag = flags[i];
if (flag == Flag.SEEN) {
sb.append(" " + ImapConstants.FLAG_SEEN);
} else if (flag == Flag.FLAGGED) {
sb.append(" " + ImapConstants.FLAG_FLAGGED);
}
}
if (sb.length() > 0) {
flagList = sb.substring(1);
}
}
mConnection.sendCommand(
String.format(
ImapConstants.APPEND + " \"%s\" (%s) {%d}",
ImapStore.encodeFolderName(mName, mStore.mPathPrefix),
flagList,
out.getCount()),
false);
ImapResponse response;
do {
response = mConnection.readResponse();
if (response.isContinuationRequest()) {
eolOut = new EOLConvertingOutputStream(mConnection.mTransport.getOutputStream());
message.writeTo(eolOut);
eolOut.write('\r');
eolOut.write('\n');
eolOut.flush();
} else if (!response.isTagged()) {
handleUntaggedResponse(response);
}
} while (!response.isTagged());
// TODO Why not check the response?
/*
* Try to recover the UID of the message from an APPENDUID response.
* e.g. 11 OK [APPENDUID 2 238268] APPEND completed
*/
final ImapList appendList = response.getListOrEmpty(1);
if ((appendList.size() >= 3) && appendList.is(0, ImapConstants.APPENDUID)) {
String serverUid = appendList.getStringOrEmpty(2).getString();
if (!TextUtils.isEmpty(serverUid)) {
message.setUid(serverUid);
continue;
}
}
/*
* Try to find the UID of the message we just appended using the
* Message-ID header. If there are more than one response, take the
* last one, as it's most likely the newest (the one we just uploaded).
*/
String messageId = message.getMessageId();
if (messageId == null || messageId.length() == 0) {
continue;
}
// Most servers don't care about parenthesis in the search query [and, some
// fail to work if they are used]
String[] uids = searchForUids(String.format("HEADER MESSAGE-ID %s", messageId));
if (uids.length > 0) {
message.setUid(uids[0]);
}
// However, there's at least one server [AOL] that fails to work unless there
// are parenthesis, so, try this as a last resort
uids = searchForUids(String.format("(HEADER MESSAGE-ID %s)", messageId));
if (uids.length > 0) {
message.setUid(uids[0]);
}
}
} catch (IOException ioe) {
throw ioExceptionHandler(mConnection, ioe);
} finally {
destroyResponses();
}
}
