using System;
using System.IO;
using System.Collections.Generic;
using System.Text;
using LumiSoft.Net.IMAP.Client;
namespace LumiSoft.Net.IMAP
{
/// <summary>
/// This class represents IMAP SEARCH <b>SINCE (date)</b> key. Defined in RFC 3501 6.4.4.
/// </summary>
/// <remarks>Messages whose internal date (disregarding time and timezone)
/// is within or later than the specified date.</remarks>
public class IMAP_Search_Key_Since : IMAP_Search_Key
{
private DateTime m_Date;
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="value">Date value.</param>
public IMAP_Search_Key_Since(DateTime value)
{
m_Date = value;
}
#region static method Parse
/// <summary>
/// Returns parsed IMAP SEARCH <b>SINCE (string)</b> key.
/// </summary>
/// <param name="r">String reader.</param>
/// <returns>Returns parsed IMAP SEARCH <b>SINCE (string)</b> key.</returns>
/// <exception cref="ArgumentNullException">Is raised when <b>r</b> is null reference.</exception>
/// <exception cref="ParseException">Is raised when parsing fails.</exception>
internal static IMAP_Search_Key_Since Parse(StringReader r)
{
if(r == null){
throw new ArgumentNullException("r");
}
string word = r.ReadWord();
if(!string.Equals(word,"SINCE",StringComparison.InvariantCultureIgnoreCase)){
throw new ParseException("Parse error: Not a SEARCH 'SINCE' key.");
}
string value = r.ReadWord();
if(value == null){
throw new ParseException("Parse error: Invalid 'SINCE' value.");
}
DateTime date;
try{
date = IMAP_Utils.ParseDate(value);
}
catch{
throw new ParseException("Parse error: Invalid 'SINCE' value.");
}
return new IMAP_Search_Key_Since(date);
}
#endregion
#region override method ToString
/// <summary>
/// Returns this as string.
/// </summary>
/// <returns>Returns this as string.</returns>
public override string ToString()
{
return "SINCE " + m_Date.ToString("dd-MMM-yyyy");
}
#endregion
#region internal override method ToCmdParts
/// <summary>
/// Stores IMAP search-key command parts to the specified array.
/// </summary>
/// <param name="list">Array where to store command parts.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>list</b> is null reference.</exception>
internal override void ToCmdParts(List<IMAP_Client_CmdPart> list)
{
if(list == null){
throw new ArgumentNullException("list");
}
list.Add(new IMAP_Client_CmdPart(IMAP_Client_CmdPart_Type.Constant,ToString()));
}
#endregion
#region Properties implementation
/// <summary>
/// Gets date value.
/// </summary>
public DateTime Date
{
get{ return m_Date; }
}
#endregion
}
}