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//
// VMime library (http://www.vmime.org)
// Copyright (C) 2002-2013 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 3 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.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// Linking this library statically or dynamically with other modules is making
// a combined work based on this library. Thus, the terms and conditions of
// the GNU General Public License cover the whole combination.
//
#include "vmime/config.hpp"
#if VMIME_HAVE_MESSAGING_FEATURES && VMIME_HAVE_MESSAGING_PROTO_IMAP
#include "vmime/net/imap/IMAPMessagePartContentHandler.hpp"
#include "vmime/net/imap/IMAPFolder.hpp"
#include "vmime/net/imap/IMAPConnection.hpp"
#include "vmime/net/imap/IMAPFolderStatus.hpp"
#include "vmime/net/imap/IMAPStore.hpp"
#include "vmime/utility/outputStreamAdapter.hpp"
#include "vmime/utility/inputStreamStringProxyAdapter.hpp"
namespace vmime {
namespace net {
namespace imap {
IMAPMessagePartContentHandler::IMAPMessagePartContentHandler
(shared_ptr <IMAPMessage> msg, shared_ptr <messagePart> part, const vmime::encoding& encoding)
: m_message(msg), m_part(part), m_encoding(encoding)
{
}
shared_ptr <contentHandler> IMAPMessagePartContentHandler::clone() const
{
return make_shared <IMAPMessagePartContentHandler>
(constCast <IMAPMessage>(m_message.lock()),
constCast <messagePart>(m_part.lock()),
m_encoding);
}
void IMAPMessagePartContentHandler::generate
(utility::outputStream& os, const vmime::encoding& enc, const string::size_type maxLineLength) const
{
shared_ptr <IMAPMessage> msg = constCast <IMAPMessage>(m_message.lock());
shared_ptr <messagePart> part = constCast <messagePart>(m_part.lock());
// Data is already encoded
if (isEncoded())
{
// The data is already encoded but the encoding specified for
// the generation is different from the current one. We need
// to re-encode data: decode from input buffer to temporary
// buffer, and then re-encode to output stream...
if (m_encoding != enc)
{
// Extract part contents to temporary buffer
std::ostringstream oss;
utility::outputStreamAdapter tmp(oss);
msg->extractPart(part, tmp, NULL);
// Decode to another temporary buffer
utility::inputStreamStringProxyAdapter in(oss.str());
std::ostringstream oss2;
utility::outputStreamAdapter tmp2(oss2);
shared_ptr <utility::encoder::encoder> theDecoder = m_encoding.getEncoder();
theDecoder->decode(in, tmp2);
// Reencode to output stream
string str = oss2.str();
utility::inputStreamStringAdapter tempIn(str);
shared_ptr <utility::encoder::encoder> theEncoder = enc.getEncoder();
theEncoder->getProperties()["maxlinelength"] = maxLineLength;
theEncoder->getProperties()["text"] = (m_contentType.getType() == mediaTypes::TEXT);
theEncoder->encode(tempIn, os);
}
// No encoding to perform
else
{
msg->extractPart(part, os);
}
}
// Need to encode data before
else
{
// Extract part contents to temporary buffer
std::ostringstream oss;
utility::outputStreamAdapter tmp(oss);
msg->extractPart(part, tmp, NULL);
// Encode temporary buffer to output stream
shared_ptr <utility::encoder::encoder> theEncoder = enc.getEncoder();
theEncoder->getProperties()["maxlinelength"] = maxLineLength;
theEncoder->getProperties()["text"] = (m_contentType.getType() == mediaTypes::TEXT);
utility::inputStreamStringAdapter is(oss.str());
theEncoder->encode(is, os);
}
}
void IMAPMessagePartContentHandler::extract
(utility::outputStream& os, utility::progressListener* progress) const
{
shared_ptr <IMAPMessage> msg = constCast <IMAPMessage>(m_message.lock());
shared_ptr <messagePart> part = constCast <messagePart>(m_part.lock());
// No decoding to perform
if (!isEncoded())
{
msg->extractImpl(part, os, progress, 0, -1, IMAPMessage::EXTRACT_BODY);
}
// Need to decode data
else
{
// Extract part contents to temporary buffer
std::ostringstream oss;
utility::outputStreamAdapter tmp(oss);
msg->extractImpl(part, tmp, NULL, 0, -1, IMAPMessage::EXTRACT_BODY);
// Encode temporary buffer to output stream
utility::inputStreamStringAdapter is(oss.str());
utility::progressListenerSizeAdapter plsa(progress, getLength());
shared_ptr <utility::encoder::encoder> theDecoder = m_encoding.getEncoder();
theDecoder->decode(is, os, &plsa);
}
}
void IMAPMessagePartContentHandler::extractRaw
(utility::outputStream& os, utility::progressListener* progress) const
{
shared_ptr <IMAPMessage> msg = constCast <IMAPMessage>(m_message.lock());
shared_ptr <messagePart> part = constCast <messagePart>(m_part.lock());
msg->extractPart(part, os, progress);
}
string::size_type IMAPMessagePartContentHandler::getLength() const
{
return m_part.lock()->getSize();
}
bool IMAPMessagePartContentHandler::isEncoded() const
{
return m_encoding != NO_ENCODING;
}
const vmime::encoding& IMAPMessagePartContentHandler::getEncoding() const
{
return m_encoding;
}
bool IMAPMessagePartContentHandler::isEmpty() const
{
return getLength() == 0;
}
bool IMAPMessagePartContentHandler::isBuffered() const
{
return true;
}
void IMAPMessagePartContentHandler::setContentTypeHint(const mediaType& type)
{
m_contentType = type;
}
const mediaType IMAPMessagePartContentHandler::getContentTypeHint() const
{
return m_contentType;
}
} // imap
} // net
} // vmime
#endif // VMIME_HAVE_MESSAGING_FEATURES && VMIME_HAVE_MESSAGING_PROTO_IMAP
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