String user = System.getProperty("user.name") ;
int port = 22;
File identityFile = null;
String configHost = host;
if (sshConfig != null) {
OpenSshConfig.Host hostConfig = sshConfig.lookup(host);
if (hostConfig.getUser() != null) {
user = hostConfig.getUser();
}
if (hostConfig.getPort() != -1) {
port = hostConfig.getPort();