提示6-9：使用文本符号来描述运行时场景！

@startuml
skinparam componentStyle uml2

actor Admin
participant "Import\nHandler" as IH
participant "ftp-in" as ftp
participant "Optical\nArchive" as OA
participant "Data\nManagement" as DM
participant "Error\nHandler" as EH

Admin -> IH: import( m )
IH -> Configuration: getMandatorCfg
IH -> ftp: readFile
ftp --> IH: file
IH -> OA : storeFile(file)
IH -> IH: setupFilterChain
IH -> IH: unzip(file)
IH -> IH: decrypt(uzFile)

alt parse file
loop all records
IH -> IH: parse record
IH -> DM : store client
else record error
IH -> EH: log record error
end
else file error
IH -> EH: log file error
end

@enduml