import java.lang.reflect.*;
import java.net.URL;
import org.apache.axis.types.*;
import gw.*;

public class Set
{
    public static double TIMEOUT = 2.0;
    private GWPort proxy;

    Set(String gateway)
    {
        try {
            URL portURL = new URL("http://restsoap:AIIT@" + gateway + "/gw/soap");
            GWServiceLocator locator = new GWServiceLocator();
            proxy = locator.getGWPort(portURL);
        }
        catch (Exception e) {
            e.printStackTrace();
            System.exit(2);
        }
    }

    // For attributes whose type is unsigned int, short, byte
    public void set(String name, UnsignedInt value, String addr)
    {
        GW__Attribute_Result[] results;
        Method m;
        Object o;

        try {
            GW__Attribute reqValue = new GW__Attribute();
            reqValue.setName(name);
            Object[] args = new Object[1];
            args[0] = value;

            Class[] valueClasses = new Class[1];
            valueClasses[0] = Class.forName("org.apache.axis.types.UnsignedInt");
            m = reqValue.getClass().getMethod("set" + name, valueClasses);
            m.invoke(reqValue, args);

            results = proxy.attributesSet(name, addr, TIMEOUT, "*", reqValue);
            for (int i = 0; i < results.length; i++) {
                GW__Attribute repValue = results[i].getValue();
                m = repValue.getClass().getMethod("get" + name, 
                                                  (Class[])null);
                o = m.invoke(repValue, (Object[])null);
                System.out.println("Mote " + results[i].getAddr() + ": " + 
                                   name + " value is " + o);
            }
        }
        catch (Exception e) {
            e.printStackTrace();
            System.exit(2);
        }
    }

    public static void main(String [] args)
    {
        String usage = "Usage: java Set gateway attrName attrValue [mote]";

        if (args.length != 3 && args.length != 4) {
            System.out.println(usage);
            System.exit(3);
        }
        String gateway = args[0];
        String attrName = args[1];
        UnsignedInt attrValue = new UnsignedInt(args[2]);
        String mote;
        if (args.length == 3)
            mote = "ffffffffffffffff";
        else
            mote = args[3];
        Set set = new Set(gateway);
        set.set(attrName, attrValue, mote);
    }
}