/* 02222: Java RMI Tutorial */

import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;

public class SystemInfoClient {

    private SystemInfoClient() {}

    public static void main(String[] args) {

	String serverHost = (args.length < 2) ? null : args[0];
	String systemProperty = (args.length < 2) ? args[0] : args[1];
	try {
	    Registry registry = LocateRegistry.getRegistry(serverHost);
	    SystemInfo systemInfo = (SystemInfo) registry.lookup("SystemInfo");
	    String response = systemInfo.getSystemInfo(systemProperty);
	    System.out.println("\nServer answer: " + systemProperty + " is " + response + "\n");
	} catch (Exception e) {
	    System.err.println("SystemInfoClient exception: " + e.toString());
	    e.printStackTrace();
	}
    }
}