/// <summary>
/// Selects a mailbox so that messages in the mailbox can be accessed.
/// </summary>
/// <param name="mailbox">The mailbox to select. If this parameter is null, the
/// default mailbox is selected.</param>
/// <exception cref="NotAuthenticatedException">Thrown if the method was called
/// in a non-authenticated state, i.e. before logging into the server with
/// valid credentials.</exception>
/// <exception cref="BadServerResponseException">Thrown if the mailbox could
/// not be selected. The message property of the exception contains the error message
/// returned by the server.</exception>
public Mailbox Select(string mailbox) {
if (!Authed)
throw new NotAuthenticatedException();
if (mailbox == null)
mailbox = defaultMailbox;
/* requested mailbox is already selected */
if (selectedMailbox != null)
{
if (selectedMailbox.ToUpper() == mailbox.ToUpper())
return this.currentMailbox;
}
lock (sequenceLock) {
/* Variables Needed */
int messages = 0;
List<string> flags = new List<string>();
long uidvalidity = 0, uidnext = 0;
string tag = GetTag();
string response = SendCommandGetResponse(tag + "SELECT " +
mailbox.QuoteString());
/* evaluate untagged data */
while (response.StartsWith("*")) {
Match m = ImapParsing.SelectExists.Match(response);
if (m.Success)
messages = Convert.ToInt32(m.Groups[1].Value);
m = ImapParsing.SelectUIDValidity.Match(response);
if (m.Success)
uidvalidity = Convert.ToInt64(m.Groups[1].Value);
m = ImapParsing.SelectUIDNext.Match(response);
if (m.Success)
uidnext = Convert.ToInt64(m.Groups[1].Value);
m = ImapParsing.SelectFlags.Match(response);
if (m.Success)
{
flags = m.Groups[1].Value.Split(' ').ToList();
}
response = GetResponse();
}
if (!IsResponseOK(response, tag))
throw new BadServerResponseException(response);
selectedMailbox = mailbox;
/* Collect quota information if server supports it */
UInt64 usedStorage = 0, freeStorage = 0;
List<long> ids = this.Search(SearchCondition.Unseen());
MailboxStatus status = new MailboxStatus(messages, ids.Count, usedStorage, freeStorage, uidvalidity, uidnext);
Mailbox cMailbox = new Mailbox(selectedMailbox, status, flags);
this.currentMailbox = cMailbox;
return cMailbox;
}
}
/// <summary>
/// Initializes a new Mailbox instance with the specified name, mailboxstatus and messageflags
/// </summary>
/// <param name="name">The name of the mailbox.</param>
/// <param name="status">The mailbox status.</param>
/// <param name="flags">The flags associated with the mailbox.</param>
internal Mailbox(string name, MailboxStatus status, List<string> flags) {
this.Name = name;
this.Status = status;
this.Flags = flags;
}