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112 lines
2.3 KiB
C++
112 lines
2.3 KiB
C++
//
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// PartSource.h
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//
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// $Id: //poco/1.4/Net/include/Poco/Net/PartSource.h#2 $
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//
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// Library: Net
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// Package: Messages
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// Module: PartSource
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//
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// Definition of the PartSource class.
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//
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// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#ifndef Net_PartSource_INCLUDED
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#define Net_PartSource_INCLUDED
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#include "Poco/Net/Net.h"
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#include "Poco/Net/MessageHeader.h"
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#include <istream>
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namespace Poco {
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namespace Net {
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class Net_API PartSource
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/// This abstract class is used for adding parts or attachments
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/// to mail messages, as well as for uploading files as part of a HTML form.
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{
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public:
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virtual std::istream& stream() = 0;
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/// Returns an input stream for reading the
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/// part data.
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///
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/// Subclasses must override this method.
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virtual const std::string& filename() const;
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/// Returns the filename for the part or attachment.
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///
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/// May be overridded by subclasses. The default
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/// implementation returns an empty string.
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const std::string& mediaType() const;
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/// Returns the MIME media type for this part or attachment.
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MessageHeader& headers();
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/// Returns a MessageHeader containing additional header
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/// fields for the part.
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const MessageHeader& headers() const;
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/// Returns a MessageHeader containing additional header
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/// fields for the part.
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virtual std::streamsize getContentLength() const;
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/// Returns the content length for this part
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/// which may be UNKNOWN_CONTENT_LENGTH if
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/// not available.
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virtual ~PartSource();
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/// Destroys the PartSource.
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static const int UNKNOWN_CONTENT_LENGTH;
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protected:
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PartSource();
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/// Creates the PartSource, using
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/// the application/octet-stream MIME type.
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PartSource(const std::string& mediaType);
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/// Creates the PartSource, using the
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/// given MIME type.
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private:
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PartSource(const PartSource&);
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PartSource& operator = (const PartSource&);
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std::string _mediaType;
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MessageHeader _headers;
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};
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//
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// inlines
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//
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inline const std::string& PartSource::mediaType() const
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{
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return _mediaType;
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}
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inline MessageHeader& PartSource::headers()
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{
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return _headers;
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}
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inline const MessageHeader& PartSource::headers() const
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{
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return _headers;
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}
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} } // namespace Poco::Net
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#endif // Net_PartSource_INCLUDED
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