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| ///////////////////////////////////////////////////////////////////////////
// //
// Copyright (c) 2015 by Charta Software B.V. //
// All rights reserved //
// //
// Version: 1.7.0.83525 //
// Web site: https://pascal.chartasoftware.com/ //
// //
// This code and information are provided "as is" without warranty of //
// any kind. Dissemination of this information or reproduction of //
// this material is strictly forbidden unless prior written permission //
// is obtained from Charta Software B.V.. //
// //
///////////////////////////////////////////////////////////////////////////
unit Mail;
interface
uses
Character.Encoding,
Collection.List,
Mail.Address,
Mail.Entity,
Stream.Input,
Stream.Output,
Stream.SerializableObject,
Text,
Text.Writer;
type
TMail = class(TSerializableObject)
private
FSender: TMailAddress;
FFrom: TList<TMailAddress>;
FReplyTo: TList<TMailAddress>;
FTo: TList<TMailAddress>;
FSubject: TText;
FEntity: TMailEntity;
procedure SetSender(const Value: TMailAddress);
procedure SetEntity(const Value: TMailEntity);
protected
procedure WriteHeader(Writer: TTextWriter; const Header: TText; const Value: TText);
function MailAddressToText(MailAddress: TMailAddress): TText;
function MailAddressesToText(MailAddresses: TList<TMailAddress>): TText;
function EncodeWord(Phrase: TText; Encoding: TCharacterEncoding): TText;
public
constructor Create(); override;
destructor Destroy(); override;
procedure Read(Stream: TInputStream); override;
procedure Write(Stream: TOutputStream); override;
property Sender: TMailAddress read FSender write SetSender;
property From: TList<TMailAddress> read FFrom;
property ReplyTo: TList<TMailAddress> read FReplyTo;
property To_: TList<TMailAddress> read FTo;
property Subject: TText read FSubject write FSubject;
property Entity: TMailEntity read FEntity write SetEntity;
end;
implementation
uses
Base64,
Exception.NotImplemented,
Integer._32,
Object_.List,
Object_.Reference.Counter;
{ TMail }
constructor TMail.Create();
begin
inherited Create();
FFrom := TObjectList<TMailAddress>.Create();
FFrom.ElementManager := TReferenceCounter<TMailAddress>.Create();
FReplyTo := TObjectList<TMailAddress>.Create();
FReplyTo.ElementManager := TReferenceCounter<TMailAddress>.Create();
FTo := TObjectList<TMailAddress>.Create();
FTo.ElementManager := TReferenceCounter<TMailAddress>.Create();
end;
destructor TMail.Destroy();
begin
From.Free();
ReplyTo.Free();
To_.Free();
Entity.Free();
Sender.ReleaseReference();
inherited Destroy();
end;
function TMail.EncodeWord(Phrase: TText; Encoding: TCharacterEncoding): TText;
begin
Result := '=?' + Encoding.Identifier + '?B?' + Base64EncodeText(Phrase.Recode(Encoding)) + '?=';
end;
function TMail.MailAddressesToText(MailAddresses: TList<TMailAddress>): TText;
var
i: TInteger32;
begin
if MailAddresses.Count > 0 then
begin
Result := MailAddressToText(MailAddresses[0]);
for i := 1 to MailAddresses.Count - 1 do
Result := Result + ', ' + MailAddressToText(MailAddresses[i]);
end
else
Result := '';
end;
function TMail.MailAddressToText(MailAddress: TMailAddress): TText;
begin
Result := '<' + MailAddress.Address + '>';
if MailAddress.Name <> '' then
Result := EncodeWord(MailAddress.Name, TCharacterEncoding.Utf8) + ' ' + Result;
end;
procedure TMail.Read(Stream: TInputStream);
begin
raise ENotImplemented.Create(ClassType, 'Read');
end;
procedure TMail.SetEntity(const Value: TMailEntity);
begin
if Value <> Entity then
begin
Entity.Free();
FEntity := Value;
end;
end;
procedure TMail.SetSender(const Value: TMailAddress);
begin
if Value <> Sender then
begin
Value.AddReference();
Sender.ReleaseReference();
FSender := Value;
end;
end;
procedure TMail.Write(Stream: TOutputStream);
var
Writer: TTextWriter;
begin
Writer := TTextWriter.Create(Stream, TCharacterEncoding.UsAscii, TText.CarriageReturnLineFeed);
if From.Count > 0 then
WriteHeader(Writer, 'From', MailAddressesToText(From));
if Sender <> nil then
WriteHeader(Writer, 'Sender', MailAddressToText(Sender));
if ReplyTo.Count > 0 then
WriteHeader(Writer, 'Reply-To', MailAddressesToText(ReplyTo));
if To_.Count > 0 then
WriteHeader(Writer, 'To', MailAddressesToText(To_));
WriteHeader(Writer, 'Subject', EncodeWord(Subject, TCharacterEncoding.Utf8));
Entity.Write(Stream);
Writer.Free();
end;
procedure TMail.WriteHeader(Writer: TTextWriter; const Header: TText; const Value: TText);
begin
if Value <> '' then
Writer.WriteLine(Header + ': ' + Value);
end;
end.
|