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//
// System.Net.Mail.MailAddress.cs
//
// Author:
// Tim Coleman (tim@timcoleman.com)
//
// Copyright (C) Tim Coleman, 2004
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Text;
namespace System.Net.Mail {
public class MailAddress
{
#region Fields
string address;
string displayName;
string host;
string user;
string to_string;
//Encoding displayNameEncoding;
#endregion // Fields
#region Constructors
public MailAddress (string address) : this (address, null)
{
}
public MailAddress (string address, string displayName) : this (address, displayName, Encoding.UTF8)
{
}
[MonoTODO ("We don't do anything with displayNameEncoding")]
public MailAddress (string address, string displayName, Encoding displayNameEncoding)
{
if (address == null)
throw new ArgumentNullException ("address");
if (address.Length == 0)
throw new ArgumentException ("address");
if (displayName != null)
this.displayName = displayName.Trim ();
ParseAddress (address);
}
void ParseAddress (string address)
{
// 1. Quotes for display name
address = address.Trim ();
int idx = address.IndexOf ('"');
if (idx != -1) {
if (idx != 0 || address.Length == 1)
throw CreateFormatException ();
int closing = address.LastIndexOf ('"');
if (closing == idx)
throw CreateFormatException ();
if (this.displayName == null)
this.displayName = address.Substring (idx + 1, closing - idx - 1).Trim ();
address = address.Substring (closing + 1).Trim ();
}
// 2. <email>
idx = address.IndexOf ('<');
if (idx >= 0) {
if (this.displayName == null)
this.displayName = address.Substring (0, idx).Trim ();
if (address.Length - 1 == idx)
throw CreateFormatException ();
int end = address.IndexOf ('>', idx + 1);
if (end == -1)
throw CreateFormatException ();
address = address.Substring (idx + 1, end - idx - 1).Trim ();
}
this.address = address;
// 3. email
idx = address.IndexOf ('@');
if (idx <= 0)
throw CreateFormatException ();
if (idx != address.LastIndexOf ('@'))
throw CreateFormatException ();
this.user = address.Substring (0, idx).Trim ();
if (user.Length == 0)
throw CreateFormatException ();
this.host = address.Substring (idx + 1).Trim ();
if (host.Length == 0)
throw CreateFormatException ();
}
#endregion // Constructors
#region Properties
public string Address {
get { return address; }
}
public string DisplayName {
get {
if (displayName == null)
return string.Empty;
return displayName;
}
}
public string Host {
get { return host; }
}
public string User {
get { return user; }
}
#endregion // Properties
#region Methods
public override bool Equals (object obj)
{
if (obj == null)
return false;
return (0 == String.Compare (ToString (), obj.ToString (), StringComparison.OrdinalIgnoreCase));
}
public override int GetHashCode ()
{
return ToString ().GetHashCode ();
}
public override string ToString ()
{
if (to_string != null)
return to_string;
if (!String.IsNullOrEmpty (displayName))
to_string = String.Format ("\"{0}\" <{1}>", DisplayName, Address);
else
to_string = address;
return to_string;
}
private static FormatException CreateFormatException () {
return new FormatException ("The specified string is not in the "
+ "form required for an e-mail address.");
}
#endregion // Methods
}
}
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