Endpoint endpoint = context.getEndpoint(getFtpUrl());
Exchange exchange = endpoint.createExchange();
exchange.getIn().setBody("Hello World this file will be deleted");
exchange.getIn().setHeader(Exchange.FILE_NAME, "hello.txt");
Producer producer = endpoint.createProducer();
producer.start();
producer.process(exchange);
producer.stop();
// assert file is created
File file = new File(FTP_ROOT_DIR + "deletefile/hello.txt");