props = new Properties();
props.setProperty(AdminClient.CONNECTOR_HOST, hostname);
props.setProperty(AdminClient.CONNECTOR_TYPE, AdminClient.CONNECTOR_TYPE_SOAP);
props.setProperty(AdminClient.CONNECTOR_PORT, "8880");
props.setProperty(AdminClient.USERNAME, "<username>");
props.setProperty(AdminClient.PASSWORD, "<password>");
props.setProperty(AdminClient.CONNECTOR_SECURITY_ENABLED, "true");
try {
    adminClient = AdminClientFactory.createAdminClient(props);
} catch (Exception e) {
    // TODO Auto-generated catch block
    System.out.println("Something went wrong");
    e.printStackTrace();
}