Files
poco/Net/include/Poco/Net/PartStore.h
aleks-f ad077b8f3f MailMessage: attachments saving and read/write
MailMessage: attachments saving support and consistent read/write
2013-03-10 23:36:04 -05:00

129 lines
4.0 KiB
C++

//
// PartStore.h
//
// $Id: //poco/1.4/Net/include/Poco/Net/PartStore.h#1 $
//
// Library: Net
// Package: Messages
// Module: PartStore
//
// Definition of the PartStore class.
//
// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// 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, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#ifndef Net_PartStore_INCLUDED
#define Net_PartStore_INCLUDED
#include "Poco/Net/Net.h"
#include "Poco/Net/PartSource.h"
#include "Poco/FileStream.h"
namespace Poco {
namespace Net {
class Net_API PartStore: public PartSource
/// A parent class for part stores storing message parts.
{
public:
PartStore(const std::string& mediaType);
/// Creates the PartStore for the given MIME type.
~PartStore();
/// Destroys the PartFileStore.
private:
PartStore();
};
class Net_API FilePartStore: public PartStore
/// An implementation of PartSource for persisting
/// parts (usually email attachment files) to the file system.
{
public:
FilePartStore(const std::string& content, const std::string& mediaType, const std::string& filename = "");
/// Creates the FilePartStore for the given MIME type.
/// For security purposes, attachment filename is NOT used to save file to the file system.
/// A unique temporary file name is used to persist the file.
/// The given filename parameter is the message part (attachment) filename (see filename()) only.
///
/// Throws an exception if the file cannot be opened.
~FilePartStore();
/// Destroys the FilePartStore.
std::istream& stream();
/// Returns a file input stream for the given file.
const std::string& filename() const;
/// Returns the filename portion of the path.
/// This is the name under which the file is known
/// to the user of this class (typically, MailMessage
/// class). The real name of the file as saved
/// to the filesystem can be obtained by calling
/// path() member function.
const std::string& path() const;
/// Returns the full path to the file as saved
/// to the file system. For security reasons,
/// file is not saved under the real file name
/// (as specified by the user).
private:
std::string _filename;
std::string _path;
Poco::FileStream _fstr;
};
class PartStoreFactory
/// Parent factory class for part stores creation.
{
public:
virtual PartSource* createPartStore(const std::string& content, const std::string& mediaType, const std::string& filename = "") = 0;
};
class FilePartStoreFactory: public PartStoreFactory
{
public:
PartSource* createPartStore(const std::string& content, const std::string& mediaType, const std::string& filename = "")
{
return new FilePartStore(content, mediaType, filename);
}
};
} } // namespace Poco::Net
#endif // Net_PartStore_INCLUDED