@Override
public ListenableFuture<List<MessageStatus>> listUidThin(
Folder folder, List<Sequence> sequences) {
Preconditions.checkState(
mailClientHandler.isLoggedIn(), "Can't execute command because client is not logged in");
Preconditions.checkState(
!mailClientHandler.idleRequested.get(),
"Can't execute command while idling (are you watching a folder?)");
checkCurrentFolder(folder);
SettableFuture<List<MessageStatus>> valueFuture = SettableFuture.create();
// -ve end range means get everything (*).
String extensions = config.useGmailExtensions() ? " X-GM-MSGID X-GM-THRID X-GM-LABELS UID" : "";
StringBuilder argsBuilder = new StringBuilder();
// Emit ranges.
for (int i = 0, sequencesSize = sequences.size(); i < sequencesSize; i++) {
Sequence seq = sequences.get(i);
argsBuilder.append(toUpperBound(seq.start));
if (seq.end != 0) argsBuilder.append(':').append(toUpperBound(seq.end));
if (i < sequencesSize - 1) argsBuilder.append(',');
}
argsBuilder.append(" (FLAGS" + extensions + ")");
send(Command.FETCH_THIN_HEADERS_UID, argsBuilder.toString(), valueFuture);
return valueFuture;
}
@Override
public ListenableFuture<List<MessageStatus>> list(Folder folder, int start, int end) {
Preconditions.checkState(
mailClientHandler.isLoggedIn(), "Can't execute command because client is not logged in");
Preconditions.checkState(
!mailClientHandler.idleRequested.get(),
"Can't execute command while idling (are you watching a folder?)");
checkCurrentFolder(folder);
checkRange(start, end);
Preconditions.checkArgument(
start > 0, "Start must be greater than zero (IMAP uses 1-based " + "indexing)");
SettableFuture<List<MessageStatus>> valueFuture = SettableFuture.create();
// -ve end range means get everything (*).
String extensions = config.useGmailExtensions() ? " X-GM-MSGID X-GM-THRID X-GM-LABELS UID" : "";
String args =
start
+ ":"
+ toUpperBound(end)
+ " (RFC822.SIZE INTERNALDATE FLAGS ENVELOPE"
+ extensions
+ ")";
send(Command.FETCH_HEADERS, args, valueFuture);
return valueFuture;
}
@Override
// @Stateless
public ListenableFuture<FolderStatus> statusOf(String folder) {
Preconditions.checkState(
mailClientHandler.isLoggedIn(), "Can't execute command because client is not logged in");
SettableFuture<FolderStatus> valueFuture = SettableFuture.create();
String args = '"' + folder + "\" (UIDNEXT RECENT MESSAGES UNSEEN)";
send(Command.FOLDER_STATUS, args, valueFuture);
return valueFuture;
}
@Override
public synchronized void watch(Folder folder, FolderObserver observer) {
Preconditions.checkState(
mailClientHandler.isLoggedIn(), "Can't execute command because client is not logged in");
checkCurrentFolder(folder);
Preconditions.checkState(
mailClientHandler.idleRequested.compareAndSet(false, true), "Already idling...");
// This MUST happen in the following order, otherwise send() may trigger a new mail event
// before we've registered the folder observer.
mailClientHandler.observe(observer);
channel.write(sequence.incrementAndGet() + " idle\r\n");
}
@Override
public ListenableFuture<Boolean> copy(Folder folder, int imapUid, String toFolder) {
Preconditions.checkState(
mailClientHandler.isLoggedIn(), "Can't execute command because client is not logged in");
Preconditions.checkState(
!mailClientHandler.idleRequested.get(),
"Can't execute command while idling (are you watching a folder?)");
checkCurrentFolder(folder);
SettableFuture<Boolean> valueFuture = SettableFuture.create();
String args = imapUid + " " + toFolder;
send(Command.COPY, args, valueFuture);
return valueFuture;
}
@Override
public ListenableFuture<Set<Flag>> addOrRemoveFlags(
Folder folder, int imapUid, Set<Flag> flags, boolean add) {
Preconditions.checkState(
mailClientHandler.isLoggedIn(), "Can't execute command because client is not logged in");
Preconditions.checkState(
!mailClientHandler.idleRequested.get(),
"Can't execute command while idling (are you watching a folder?)");
checkCurrentFolder(folder);
SettableFuture<Set<Flag>> valueFuture = SettableFuture.create();
String args = imapUid + " " + (add ? "+" : "-") + Flag.toImap(flags);
send(Command.STORE_FLAGS, args, valueFuture);
return valueFuture;
}
@Override
// @Stateless
public ListenableFuture<List<String>> listFolders() {
Preconditions.checkState(
mailClientHandler.isLoggedIn(), "Can't execute command because client is not logged in");
Preconditions.checkState(
!mailClientHandler.idleRequested.get(),
"Can't execute command while idling (are you watching a folder?)");
SettableFuture<List<String>> valueFuture = SettableFuture.create();
send(Command.LIST_FOLDERS, "\"\" \"*\"", valueFuture);
return valueFuture;
}
@Override
public ListenableFuture<Message> fetchUid(Folder folder, int uid) {
Preconditions.checkState(
mailClientHandler.isLoggedIn(), "Can't execute command because client is not logged in");
Preconditions.checkState(
!mailClientHandler.idleRequested.get(),
"Can't execute command while idling (are you watching a folder?)");
checkCurrentFolder(folder);
Preconditions.checkArgument(uid > 0, "UID must be greater than zero");
SettableFuture<Message> valueFuture = SettableFuture.create();
String args = uid + " (uid body[])";
send(Command.FETCH_BODY_UID, args, valueFuture);
return valueFuture;
}
@Override
public ListenableFuture<List<Message>> fetch(Folder folder, int start, int end) {
Preconditions.checkState(
mailClientHandler.isLoggedIn(), "Can't execute command because client is not logged in");
Preconditions.checkState(
!mailClientHandler.idleRequested.get(),
"Can't execute command while idling (are you watching a folder?)");
checkCurrentFolder(folder);
checkRange(start, end);
Preconditions.checkArgument(
start > 0, "Start must be greater than zero (IMAP uses 1-based " + "indexing)");
SettableFuture<List<Message>> valueFuture = SettableFuture.create();
String args = start + ":" + toUpperBound(end) + " (uid body[])";
send(Command.FETCH_BODY, args, valueFuture);
return valueFuture;
}
@Override
public ListenableFuture<Set<String>> setGmailLabels(
Folder folder, int imapUid, Set<String> labels) {
Preconditions.checkState(
mailClientHandler.isLoggedIn(), "Can't execute command because client is not logged in");
Preconditions.checkState(
!mailClientHandler.idleRequested.get(),
"Can't execute command while idling (are you watching a folder?)");
checkCurrentFolder(folder);
SettableFuture<Set<String>> valueFuture = SettableFuture.create();
StringBuilder args = new StringBuilder();
args.append(imapUid);
args.append(" X-GM-LABELS (");
Iterator<String> it = labels.iterator();
while (it.hasNext()) {
args.append(it.next());
if (it.hasNext()) args.append(" ");
else args.append(")");
}
send(Command.STORE_LABELS, args.toString(), valueFuture);
return valueFuture;
}
@Override
public ListenableFuture<List<Integer>> searchUid(Folder folder, String query, Date since) {
Preconditions.checkState(
mailClientHandler.isLoggedIn(), "Can't execute command because client is not logged in");
Preconditions.checkState(
!mailClientHandler.idleRequested.get(),
"Can't execute command while idling (are you watching a folder?)");
checkCurrentFolder(folder);
SettableFuture<List<Integer>> valueFuture = SettableFuture.create();
StringBuilder argsBuilder = new StringBuilder();
if (config.useGmailExtensions()) {
argsBuilder.append("X-GM-RAW \"").append(query).append('"');
} else argsBuilder.append(query);
if (since != null) argsBuilder.append(" since ").append(SINCE_FORMAT.format(since));
send(Command.SEARCH_RAW_UID, argsBuilder.toString(), valueFuture);
return valueFuture;
}
@Override
// @Stateless
public ListenableFuture<Folder> open(String folder, boolean readWrite) {
Preconditions.checkState(
mailClientHandler.isLoggedIn(), "Can't execute command because client is not logged in");
Preconditions.checkState(
!mailClientHandler.idleRequested.get(),
"Can't execute command while idling (are you watching a folder?)");
final SettableFuture<Folder> valueFuture = SettableFuture.create();
final SettableFuture<Folder> externalFuture = SettableFuture.create();
valueFuture.addListener(
new Runnable() {
@Override
public void run() {
try {
// We do this to enforce a happens-before ordering between the time a folder is
// saved to currentFolder and a listener registered by the user may fire in a parallel
// executor service.
currentFolder = valueFuture.get();
externalFuture.set(currentFolder);
} catch (InterruptedException e) {
log.error("Interrupted while attempting to open a folder", e);
} catch (ExecutionException e) {
log.error("Execution exception while attempting to open a folder", e);
externalFuture.setException(e);
}
}
},
workerPool);
String args = '"' + folder + "\"";
send(readWrite ? Command.FOLDER_OPEN : Command.FOLDER_EXAMINE, args, valueFuture);
return externalFuture;
}
@Override
public ListenableFuture<List<Integer>> exists(Folder folder, Collection<Integer> uids) {
Preconditions.checkState(
mailClientHandler.isLoggedIn(), "Can't execute command because client is not logged in");
Preconditions.checkState(
!mailClientHandler.idleRequested.get(),
"Can't execute command while idling (are you watching a folder?)");
checkCurrentFolder(folder);
SettableFuture<List<Integer>> valueFuture = SettableFuture.create();
StringBuilder argsBuilder = new StringBuilder("uid ");
Iterator<Integer> iterator = uids.iterator();
for (int i = 0, uidsSize = uids.size(); i < uidsSize; i++) {
argsBuilder.append(iterator.next());
if (i < uidsSize - 1) argsBuilder.append(",");
}
send(Command.SEARCH_UID_ONLY, argsBuilder.toString(), valueFuture);
return valueFuture;
}
public boolean isConnected() {
return channel != null
&& channel.isConnected()
&& channel.isOpen()
&& mailClientHandler.isLoggedIn();
}
