/// <summary>
/// Retrieves the server's newsgroups.
/// </summary>
/// <returns>The server's newsgroups.</returns>
/// <example>
/// <code>
/// C#
///
/// NntpClient nttp = new NntpClient();
/// nntp.Connect("news.myhost.com");
/// NewsGroupCollection groups = nntp.GetNewsGroups();
/// nntp.Disconnect();
///
/// VB.NET
///
/// Dim nttp as New NntpClient()
/// nntp.Connect("news.myhost.com")
/// Dim groups as NewsGroupCollection = nntp.GetNewsGroups()
/// nntp.Disconnect()
///
/// JScript.NET
///
/// var nntp:NntpClient = new NntpClient();
/// nntp.Connect("news.myhost.com");
/// var groups:NewsGroupCollection = nntp.GetNewsGroups();
/// nntp.Disconnect();
/// </code>
/// </example>
public NewsGroupCollection GetNewsGroups()
{
byte[] data = this.CommandMultiline("list");
string response = System.Text.Encoding.ASCII.GetString(data,0,data.Length);
NewsGroupCollection groups = new NewsGroupCollection();
string[] _groups = System.Text.RegularExpressions.Regex.Split(response,"\r\n");
for(int i=1;i<_groups.Length-1;i++)
{
string[] _splitted = _groups[i].Split(' ');
groups.Add(new NewsGroup(_splitted[0],System.Convert.ToInt32(_splitted[2]),System.Convert.ToInt32(_splitted[1]),(_splitted[3].ToLower()=="y") ? true : false,this));
}
return groups;
}
/// <summary>
/// Retrieves the server's newsgroups that have been created since the specified date/time.
/// </summary>
/// <param name="startDate">The minimum creation date/time.</param>
/// <param name="gmt">Specifies if startDate is GMT or not.</param>
/// <param name="distribution">Distribution filter of the articles.</param>
/// <returns>The server's newsgroups that have been created since the specified date/time and that contain articles for the specified distribution.</returns>
/// <example>
/// <code>
/// C#
///
/// NntpClient nttp = new NntpClient();
/// nntp.Connect("news.myhost.com");
/// //Get groups created less than one months ago (GMT time) and containing articles to be distributed to "staff".
/// NewsGroupCollection groups = nntp.GetNewsGroups(System.DateTime.Now.AddMonth(-1),true,"staff");
/// nntp.Disconnect();
///
/// VB.NET
///
/// Dim nttp as New NntpClient()
/// nntp.Connect("news.myhost.com")
/// 'Get groups created less than one months ago (GMT time) and containing articles to be distributed to "staff".
/// Dim groups as NewsGroupCollection = nntp.GetNewsGroups(System.DateTime.Now.AddMonth(-1),True,"staff")
/// nntp.Disconnect()
///
/// JScript.NET
///
/// var nntp:NntpClient = new NntpClient();
/// nntp.Connect("news.myhost.com");
/// //Get groups created less than one months ago (GMT time) and containing articles to be distributed to "staff".
/// var groups:NewsGroupCollection = nntp.GetNewsGroups(System.DateTime.Now.AddMonth(-1),true,"staff");
/// nntp.Disconnect();
/// </code>
/// </example>
public NewsGroupCollection GetNewsGroups(System.DateTime startDate, bool gmt, string distribution)
{
string sdistribution = (distribution.Length>0) ? " "+distribution : "";
string sgmt = (gmt) ? " GMT" : "";
byte[] data = this.CommandMultiline("newgroups " + startDate.ToString("yyMMdd hhmmss") + sgmt + sdistribution);
string response = System.Text.Encoding.ASCII.GetString(data,0,data.Length);
ActiveUp.Net.Mail.NewsGroupCollection groups = new ActiveUp.Net.Mail.NewsGroupCollection();
string[] _groups = System.Text.RegularExpressions.Regex.Split(response,"\r\n");
for(int i=1;i<_groups.Length-1;i++)
{
string[] _splitted = _groups[i].Split(' ');
groups.Add(new ActiveUp.Net.Mail.NewsGroup(_splitted[0], System.Convert.ToInt32(_splitted[2]), System.Convert.ToInt32(_splitted[1]), (_splitted[3].ToLower() == "y") ? true : false, this));
}
return groups;
}