File Information
Library: Net
Package: Messages
Header: Poco/Net/PartSource.h
Description
This abstract class is used for adding parts or attachments to mail messages, as well as for uploading files as part of a HTML form.
Inheritance
Known Derived Classes: FilePartSource, StringPartSource, PartStore, FilePartStore, MultipartSource
Member Summary
Member Functions: filename, getContentLength, headers, mediaType, stream
Constructors
PartSource
PartSource();
Creates the PartSource, using the application/octet-stream MIME type.
PartSource
PartSource(
const std::string & mediaType
);
Creates the PartSource, using the given MIME type.
Destructor
~PartSource
virtual ~PartSource();
Destroys the PartSource.
Member Functions
filename
virtual const std::string & filename() const;
Returns the filename for the part or attachment.
May be overridden by subclasses. The default implementation returns an empty string.
getContentLength
virtual std::streamsize getContentLength() const;
Returns the content length for this part which may be UNKNOWN_CONTENT_LENGTH if not available.
headers
MessageHeader & headers();
Returns a MessageHeader containing additional header fields for the part.
headers
const MessageHeader & headers() const;
Returns a MessageHeader containing additional header fields for the part.
mediaType
const std::string & mediaType() const;
Returns the MIME media type for this part or attachment.
stream
virtual std::istream & stream() = 0;
Returns an input stream for reading the part data.
Subclasses must override this method.
Variables
UNKNOWN_CONTENT_LENGTH
static const int UNKNOWN_CONTENT_LENGTH;