Small refactoring of the ftp adapter
Small refactoring of the ftp adapter

WayOfBrave/Gaufrette,igormukhingmailcom/Gaufrette,NiR-/Gaufrette,acucchieri/Gaufrette,1001Pharmacies/Gaufrette,KnpLabs/Gaufrette,peelandsee/Gaufrette,jenkoian/Gaufrette,alex88/Gaufrette,watermanio/Gaufrette,ronaldlopez/Gaufrette,KnpLabs/Gaufrette,alex88/Gaufrette,WayOfBrave/Gaufrette,igormukhingmailcom/Gaufrette,jenkoian/Gaufrette,ronaldlopez/Gaufrette,Consoneo/Gaufrette,acucchieri/Gaufrette,NiR-/Gaufrette,1001Pharmacies/Gaufrette,watermanio/Gaufrette