@Override
public void setFlags(List<? extends Message> messages, final Set<Flag> flags, boolean value)
throws MessagingException {
if (!value || !flags.contains(Flag.DELETED)) {
/*
* The only flagging we support is setting the Deleted flag.
*/
return;
}
List<String> uids = new ArrayList<String>();
try {
for (Message message : messages) {
uids.add(message.getUid());
}
indexUids(uids);
} catch (IOException ioe) {
throw new MessagingException("Could not get message number for uid " + uids, ioe);
}
for (Message message : messages) {
Integer msgNum = mUidToMsgNumMap.get(message.getUid());
if (msgNum == null) {
MessagingException me =
new MessagingException(
"Could not delete message "
+ message.getUid()
+ " because no msgNum found; permanent error");
me.setPermanentFailure(true);
throw me;
}
executeSimpleCommand(String.format(DELE_COMMAND + " %s", msgNum));
}
}
private void fetchEnvelope(
List<Pop3Message> messages, MessageRetrievalListener<Pop3Message> listener)
throws IOException, MessagingException {
int unsizedMessages = 0;
for (Message message : messages) {
if (message.getSize() == -1) {
unsizedMessages++;
}
}
if (unsizedMessages == 0) {
return;
}
if (unsizedMessages < 50 && mMessageCount > 5000) {
/*
* In extreme cases we'll do a command per message instead of a bulk request
* to hopefully save some time and bandwidth.
*/
for (int i = 0, count = messages.size(); i < count; i++) {
Pop3Message message = messages.get(i);
if (listener != null) {
listener.messageStarted(message.getUid(), i, count);
}
String response =
executeSimpleCommand(
String.format(
Locale.US, LIST_COMMAND + " %d", mUidToMsgNumMap.get(message.getUid())));
String[] listParts = response.split(" ");
// int msgNum = Integer.parseInt(listParts[1]);
int msgSize = Integer.parseInt(listParts[2]);
message.setSize(msgSize);
if (listener != null) {
listener.messageFinished(message, i, count);
}
}
} else {
Set<String> msgUidIndex = new HashSet<String>();
for (Message message : messages) {
msgUidIndex.add(message.getUid());
}
int i = 0, count = messages.size();
String response = executeSimpleCommand(LIST_COMMAND);
while ((response = readLine()) != null) {
if (response.equals(".")) {
break;
}
String[] listParts = response.split(" ");
int msgNum = Integer.parseInt(listParts[0]);
int msgSize = Integer.parseInt(listParts[1]);
Pop3Message pop3Message = mMsgNumToMsgMap.get(msgNum);
if (pop3Message != null && msgUidIndex.contains(pop3Message.getUid())) {
if (listener != null) {
listener.messageStarted(pop3Message.getUid(), i, count);
}
pop3Message.setSize(msgSize);
if (listener != null) {
listener.messageFinished(pop3Message, i, count);
}
i++;
}
}
}
}
/**
* Fetch the items contained in the FetchProfile into the given set of Messages in as efficient
* a manner as possible.
*
* @param messages
* @param fp
* @throws MessagingException
*/
@Override
public void fetch(
List<Pop3Message> messages, FetchProfile fp, MessageRetrievalListener<Pop3Message> listener)
throws MessagingException {
if (messages == null || messages.isEmpty()) {
return;
}
List<String> uids = new ArrayList<String>();
for (Message message : messages) {
uids.add(message.getUid());
}
try {
indexUids(uids);
} catch (IOException ioe) {
throw new MessagingException("fetch", ioe);
}
try {
if (fp.contains(FetchProfile.Item.ENVELOPE)) {
/*
* We pass the listener only if there are other things to do in the
* FetchProfile. Since fetchEnvelop works in bulk and eveything else
* works one at a time if we let fetchEnvelope send events the
* event would get sent twice.
*/
fetchEnvelope(messages, fp.size() == 1 ? listener : null);
}
} catch (IOException ioe) {
throw new MessagingException("fetch", ioe);
}
for (int i = 0, count = messages.size(); i < count; i++) {
Pop3Message pop3Message = messages.get(i);
try {
if (listener != null && !fp.contains(FetchProfile.Item.ENVELOPE)) {
listener.messageStarted(pop3Message.getUid(), i, count);
}
if (fp.contains(FetchProfile.Item.BODY)) {
fetchBody(pop3Message, -1);
} else if (fp.contains(FetchProfile.Item.BODY_SANE)) {
/*
* To convert the suggested download size we take the size
* divided by the maximum line size (76).
*/
if (mStoreConfig.getMaximumAutoDownloadMessageSize() > 0) {
fetchBody(pop3Message, (mStoreConfig.getMaximumAutoDownloadMessageSize() / 76));
} else {
fetchBody(pop3Message, -1);
}
} else if (fp.contains(FetchProfile.Item.STRUCTURE)) {
/*
* If the user is requesting STRUCTURE we are required to set the body
* to null since we do not support the function.
*/
pop3Message.setBody(null);
}
if (listener != null && !(fp.contains(FetchProfile.Item.ENVELOPE) && fp.size() == 1)) {
listener.messageFinished(pop3Message, i, count);
}
} catch (IOException ioe) {
throw new MessagingException("Unable to fetch message", ioe);
}
}
}