SMTPMessagePart.cs :  » Email » SharpWebMail » EricDaugherty » CSES » SmtpServer » C# / CSharp Open Source

using System;
using System.Collections;
using System.Text;

using EricDaugherty.CSES.Common;
using System.Text.RegularExpressions;

namespace EricDaugherty.CSES.SmtpServer{
  /// <summary>
  /// Stores a single part of a multipart message.
  /// </summary>
  public class SMTPMessagePart
  {
    #region Constants

    private static readonly string DOUBLE_NEWLINE = Environment.NewLine + Environment.NewLine;

    #endregion

    #region Variables

    private Hashtable headerFields = null;
    private string headerData = String.Empty;
    private string bodyData = String.Empty;

    #endregion
    
    #region Constructors
    
    /// <summary>
    /// Creates a new message part.  The input string should be the body of 
    /// the attachment, without the "------=_NextPart" separator strings.
    /// The last 4 characters of the data will be "\r\n\r\n".
    /// </summary>
    public SMTPMessagePart( string data )
    {
      string[] parts = Regex.Split( data, DOUBLE_NEWLINE );

      headerData = parts[0] + DOUBLE_NEWLINE;
      bodyData = parts[1] + DOUBLE_NEWLINE;          
    }
    
    #endregion
    
    #region Properies
    
    /// <summary>
    /// A hash table of all the Headers in the email message.  They keys
    /// are the header names, and the values are the assoicated values, including
    /// any sub key/value pairs is the header.
    /// </summary>
    public Hashtable Headers
    {
      get
      {
        if( headerFields == null )
        {
          headerFields = SMTPMessage.ParseHeaders( headerData );
        }
        return headerFields;
      }
    }
    /// <summary>
    /// The raw text that represents the header of the mime part.
    /// </summary>
    public string HeaderData
    {
      get { return headerData; }
    }

    /// <summary>
    /// The raw text that represents the actual mime part.
    /// </summary>
    public string BodyData
    {
      get { return bodyData; }
    }

    #endregion
  }
}