@Override
public boolean create(FolderType type) throws MessagingException {
/*
* This method needs to operate in the unselected mode as well as the selected mode
* so we must get the connection ourselves if it's not there. We are specifically
* not calling checkOpen() since we don't care if the folder is open.
*/
ImapConnection connection = null;
synchronized (this) {
if (mConnection == null) {
connection = mStore.getConnection();
} else {
connection = mConnection;
}
}
try {
connection.executeSimpleCommand(
String.format(
ImapConstants.CREATE + " \"%s\"",
ImapStore.encodeFolderName(mName, mStore.mPathPrefix)));
return true;
} catch (MessagingException me) {
return false;
} catch (IOException ioe) {
throw ioExceptionHandler(connection, ioe);
} finally {
connection.destroyResponses();
if (mConnection == null) {
mStore.poolConnection(connection);
}
}
}
@Override
public void open(OpenMode mode) throws MessagingException {
try {
if (isOpen()) {
if (mMode == mode) {
// Make sure the connection is valid.
// If it's not we'll close it down and continue on to get a new one.
try {
mConnection.executeSimpleCommand(ImapConstants.NOOP);
return;
} catch (IOException ioe) {
ioExceptionHandler(mConnection, ioe);
} finally {
destroyResponses();
}
} else {
// Return the connection to the pool, if exists.
close(false);
}
}
synchronized (this) {
mConnection = mStore.getConnection();
}
// * FLAGS (\Answered \Flagged \Deleted \Seen \Draft NonJunk
// $MDNSent)
// * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft
// NonJunk $MDNSent \*)] Flags permitted.
// * 23 EXISTS
// * 0 RECENT
// * OK [UIDVALIDITY 1125022061] UIDs valid
// * OK [UIDNEXT 57576] Predicted next UID
// 2 OK [READ-WRITE] Select completed.
try {
doSelect();
} catch (IOException ioe) {
throw ioExceptionHandler(mConnection, ioe);
} finally {
destroyResponses();
}
} catch (AuthenticationFailedException e) {
// Don't cache this connection, so we're forced to try connecting/login again
mConnection = null;
close(false);
throw e;
} catch (MessagingException e) {
mExists = false;
close(false);
throw e;
}
}
@Override
public boolean exists() throws MessagingException {
if (mExists) {
return true;
}
/*
* This method needs to operate in the unselected mode as well as the selected mode
* so we must get the connection ourselves if it's not there. We are specifically
* not calling checkOpen() since we don't care if the folder is open.
*/
ImapConnection connection = null;
synchronized (this) {
if (mConnection == null) {
connection = mStore.getConnection();
} else {
connection = mConnection;
}
}
try {
connection.executeSimpleCommand(
String.format(
ImapConstants.STATUS + " \"%s\" (" + ImapConstants.UIDVALIDITY + ")",
ImapStore.encodeFolderName(mName, mStore.mPathPrefix)));
mExists = true;
return true;
} catch (MessagingException me) {
// Treat IOERROR messaging exception as IOException
if (me.getExceptionType() == MessagingException.IOERROR) {
throw me;
}
return false;
} catch (IOException ioe) {
throw ioExceptionHandler(connection, ioe);
} finally {
connection.destroyResponses();
if (mConnection == null) {
mStore.poolConnection(connection);
}
}
}
