import org.omg.CosNaming.*;
import java.io.*;

public class Client
{
	public static void main(String args[])
	{
		try
		{
			org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init(args, null);
			if  (args.length == 0)
			{
				System.out.println("Usage: Client <iorfilename>");
				System.exit(-1);
			}
            File f = new File( args[ 0 ] );
            if( ! f.exists() )
            {
                System.out.println("File " + args[0] + 
                                   " does not exist.");
                System.exit( -1 );
            }
            BufferedReader br = new BufferedReader( new FileReader( f ));
			String ior = br.readLine();
			br.close();

            ls lsObj = lsHelper.narrow(orb.string_to_object(ior));

			EasyReader console = new EasyReader();
			int size;
			System.out.println("Enter size of sequence to send");
			size = console.readInt();

			byte[] sendData = new byte[size];
			System.out.println("Creating a sequence of " + size + " bytes with values from 0 to 9");
			for (int i = 0; i < size; i++)
			{
				sendData[i] = (byte)(i % 10);
			}
			lsObj.sendData(sendData);

			System.out.println("Getting a sequence with values 0 to 255");
			sendData = lsObj.getData(size);

			// Note that all primitive int types, including bytes are signed in java.
			// To have the byte value 0xff display as 255, you need to promote it to 
			// an int and then chop off the high order bits incase sign extension occurred.
			int ui = sendData[sendData.length - 1];
			ui = ui & (int)0xFF;

			System.out.println("Got sequence of " + sendData.length + " bytes.  Last element is " +
				// This works too ...
				//new Integer(sendData[sendData.length - 1] & 0xFF ));
				ui);

		}
		catch (Exception e)
		{
			e.printStackTrace();
		}
	}
}