com.compomics.util.io
Classes 
FilenameExtensionFilter
FileSystemAccessor
FolderMonitor
FTP
FTPClient
MascotEnzymeReader
MonitorableFileInputStream
MonitorableInputStream
PklFile
PropertiesManager
PushBackStringReader
SerializationUtils
StartBrowser
TarUtils
Exceptions 
FtpConnectionException
FtpLoginException
FtpProtocolException