To poll a directory with FTP, configure an instance of FtpSource and then connect it to a channel by configuring a channel-adapter. The FtpSource expects a number of properties for connecting to the FTP server as shown below.

<bean id="ftpSource"
    class="org.springframework.integration.adapter.ftp.FtpSource">
    <property name="host" value="example.org"/>
    <property name="username" value="someuser"/>
    <property name="password" value="somepassword"/>
    <property name="localWorkingDirectory" value="/some/path"/>
    <property name="remoteWorkingDirectory" value="/some/path"/>
</bean>