AbstractAssetHandler serves as basis for all other asset handler implementations and provides common
||Continuously filter bytes and produce an output that can be read
||Base class for format handlers.
||Simple context that remembers all metadata and thumbnail images found.
StandardImageHandler supports currently following image types: gif png photoshop
jpeg tiff bmp
||Process bytes, extract metadata found in <xpacket> tags and add them to
||Continuously process bytes received from an
write the ones contained in an xpacket to an