Remote files are usually fetched by employing the File Transfer Protocol (FTP), while local files are transferred onto a remote server using the same FTP. These two tasks are supported by the framework using inbound and outbound channel adapters.
The inbound channel adapters connect to an FTP Server to fetch the
remote files and pass them as messages with the current file (
Message<File>) as payload. The outbound
channel adapters act in the opposite direction: they connect to channels,
consume the messages, and write them to remote server directories.
Both adapters, represented by
outbound-channel-adapter, are included in the
ftp namespace support. Before setting
up the adapters, one critical piece of information is required by the
adapters: connection (or session) details.
The adapters should know the server details to connect to,
including the username and password. Framework’s
Factory class provides these details. You
should declare this bean in your
config file with the
appropriate properties set. The bean reference is then provided to the
adapters as a
First, let’s see how we can set up a session factory. In your XML file, declare the factory class and provide the necessary details:
<bean name="sessionFactory" class="org.springframework.integration.ftp.session.DefaultFtpSessionFactory"> <property name="host" value="ftp.madhusudhan.com"/> <property name="username" value="jsi"/> ...