protected FtpClientProvider(){
  SecurityManager sm=System.getSecurityManager();
  if (sm != null) {
    sm.checkPermission(new RuntimePermission("ftpClientProvider"));
  }
}

protected FtpClientProvider ( ) { SecurityManager sm = System . getSecurityManager ( ) ; if ( sm != null ) { sm . checkPermission ( new RuntimePermission ( "ftpClientProvider" ) ) ; } }
initializes a new instance of this class .
