import java.io.*;
import org.omg.CORBA.*;
import corbasem.gen.calcsimpl.*;

public class SimpleCalcClient
{
  public static void main(String [] args) throws IOException
  {
    // simple status of our server
    int svrStatus = 0;
    org.omg.CORBA.ORB orb = null;

    try {
      // Some of the Java ORBs will you various
      // system properties to ensure correct
      // java environement.
      java.util.Properties props = System.getProperties();
              
      // Set some properties that will define which
      // class will act as our ORBClass and ORBSingleton.
      // This information could be pass as command
      // line arguments.
//      props.load(new FileInputStream("..\\ORBinit.properties"));
      props.put("org.omg.CORBA.ORBClass", "com.ooc.CORBA.ORB");
      props.put("org.omg.CORBA.ORBSingletonClass",
                "com.ooc.CORBA.ORBSingleton");
     
    
      // initialize the ORB
      orb = ORB.init(args, props); 
      svrStatus = callsvr(orb);
    
      // Since the standard ORB.destroy() method is not present in
      // JDK 1.2.x, we must cast to com.ooc.CORBA.ORB so that this
      // will compile with all JDK versions.  This will also
      // destroy our server portability.  We could get around
      // this problem by using the -Xbootclasspath compile switch
      // or use JDK 1.3.x.
      ((com.ooc.CORBA.ORB)orb).destroy();
//      orb.destroy();
    } catch (Exception e) {
      System.err.println("main() ERROR: " + e);
      e.printStackTrace(System.out);
      svrStatus = 1;
    }
    System.out.println("SimpleCalcClient status = " + svrStatus);
    System.out.println("SimpleCalcClient shutdown!");
    System.exit(svrStatus);
  }

  static int callsvr(org.omg.CORBA.ORB orb) {
    try {
      System.out.println("Getting reference from string...");
      BufferedReader in = new BufferedReader( new FileReader("calcref.ior") );
      String ior = in.readLine();
      in.close();
      
      calculator calc = calculatorHelper.narrow(orb.string_to_object(ior));
  
      System.out.println("Calling into the server");
      System.out.println( calc.add(2,3) );
      return 0;

    } catch (Exception e) {
      System.err.println("ERROR: " + e);
      e.printStackTrace(System.out);
      return 1;
    }
  }
}