public class MyFtpSPIPlugin implements SpiExtension {
}
<ftpSpiPlugin name="myFtpPlugin" class="com.example.MyFtpSPIPlugin">
</ftpSpiPlugin>
<ftpSpiPlugin name="myFtpPlugin" class="com.example.MyFtpSPIPlugin">
<ssl enabled="true" keystorePath="keystore.jks" keystorePassword="password" />
<security enabled="true" clientAuth="true" truststorePath="truststore.jks"
truststorePassword="password" />
<logging enabled="true" logLevel="INFO" logFile="ftp.log" />
<audit enabled="true" auditFile="audit.log" />
</ftpSpiPlugin>