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//
// VMime library (http://vmime.sourceforge.net)
// Copyright (C) 2002-2004 Vincent Richard <[email protected]>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
#include "messageBuilder.hpp"
#include "textPartFactory.hpp"
namespace vmime
{
messageBuilder::messageBuilder()
: m_textPart(NULL)
{
// By default there is one text part of type "text/plain"
constructTextPart(mediaType(mediaTypes::TEXT, mediaTypes::TEXT_PLAIN));
}
messageBuilder::~messageBuilder()
{
delete (m_textPart);
free_container(m_attach);
}
message* messageBuilder::construct() const
{
// Create a new message
message* msg = new message;
// Generate the header fields
msg->header().fields.Subject() = m_subject;
if (m_from.empty())
throw exceptions::no_expeditor();
if (m_to.empty() || (*m_to.begin()).empty())
throw exceptions::no_recipient();
msg->header().fields.From() = m_from;
msg->header().fields.To() = m_to;
if (!m_cc.empty())
msg->header().fields.Cc() = m_cc;
if (!m_bcc.empty())
msg->header().fields.Bcc() = m_bcc;
// Add a "Date" field
msg->header().fields.Date() = datetime::now();
// Add a "Mime-Version" header field
msg->header().fields.MimeVersion().value() = MIME_VERSION;
// If there is one or more attachments (or other parts that are
// not "text/...") and if there is more than one parts for the
// text part, we generate these text parts into a sub-part:
//
// [message]
// |
// +-- multipart/mixed
// |
// +-- multipart/alternative
// | |
// | +-- text part #1 (eg. plain text "text/plain")
// | +-- text part #2 (eg. HTML "text/html")
// | +-- ...
// |
// +-- application/octet-stream (attachment #1)
// |
// +-- ... (other attachments/parts)
//
if (!m_attach.empty() && m_textPart->getPartCount() > 1)
{
// Set parent part (message) to "multipart/mixed"
msg->header().fields.ContentType() = mediaType
(mediaTypes::MULTIPART, mediaTypes::MULTIPART_MIXED);
// Create a sub-part "multipart/alternative" for text parts
bodyPart* subPart = new bodyPart;
msg->body().parts.append(subPart);
subPart->header().fields.ContentType() = mediaType
(mediaTypes::MULTIPART, mediaTypes::MULTIPART_ALTERNATIVE);
// Generate the text parts into this sub-part (normally, this
// sub-part will have the "multipart/alternative" content-type...)
m_textPart->generateIn(*msg, *subPart);
}
else
{
// Generate the text part(s) directly into the message
m_textPart->generateIn(*msg, *msg);
// If any attachment, set message content-type to "multipart/mixed"
if (!m_attach.empty())
{
msg->header().fields.ContentType() = mediaType
(mediaTypes::MULTIPART, mediaTypes::MULTIPART_MIXED);
}
// Else, set it to "multipart/alternative" if there are more than one text part.
else if (m_textPart->getPartCount() > 1)
{
msg->header().fields.ContentType() = mediaType
(mediaTypes::MULTIPART, mediaTypes::MULTIPART_ALTERNATIVE);
}
}
// Generate the attachments
if (!m_attach.empty())
{
for (std::vector <attachment*>::const_iterator a = m_attach.begin() ; a != m_attach.end() ; ++a)
{
(*a)->generateIn(*msg);
}
}
// If there is only one part in the message, move it into the message
// (hence, the message will not be multipart...)
if (msg->body().parts.size() == 1)
{
const bodyPart& part = msg->body().parts.front();
// First, copy (and replace) the header fields
const header::fieldsContainer& hdr = part.header().fields;
for (header::const_iterator f = hdr.begin() ; f != hdr.end() ; ++f)
msg->header().fields.get((*f).name()) = *f;
// Second, copy the body contents and sub-parts (this also remove
// the body part we are copying...)
msg->body() = part.body();
}
return (msg);
}
void messageBuilder::attach(attachment* attach)
{
m_attach.push_back(attach);
}
void messageBuilder::constructTextPart(const mediaType& type)
{
class textPart* part = NULL;
try
{
part = textPartFactory::getInstance()->create(type);
}
catch (exceptions::no_factory_available& e)
{
throw;
}
delete (m_textPart);
m_textPart = part;
}
class textPart& messageBuilder::textPart()
{
return (*m_textPart);
}
} // vmime
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