accountclient.java

corba的java的快速开发实例

package com.hcycom.corba.example.bank;

import org.omg.CORBA.*;
import org.omg.CosNaming.*;
import org.omg.CosNaming.NamingContextPackage.*;

public class AccountClient {

	public static void main(String args[]) {
		try {
		  // create and initialize the ORB
		  ORB orb = ORB.init(args, null);

		  // get the root naming context
		  org.omg.CORBA.Object objRef = 
			orb.resolve_initial_references("NameService");

		  // Use NamingContextExt instead of NamingContext. This is 
		  // part of the Interoperable Naming Service.  
		  NamingContextExt ncRef = 
			NamingContextExtHelper.narrow(objRef);

		  // resolve the Object Reference in Naming
		  String name = "Account";
		  Account impl = AccountHelper.narrow(
			  ncRef.resolve_str(name));

		  System.out.println(
			  "Handle obtained on server object: " + impl);

		  String accountName = "james";
		  IntHolder balance = new IntHolder();
		  
		  String ret = impl.getBalance(accountName, balance);
		  if(ret.equals("success")) {
		      System.out.println(accountName + "'s balance is " 
				  + balance.value); 

			  int amount = 300;
			  ret = impl.deposit(accountName, amount);
			  if(ret.equals("success")) {
				  balance = new IntHolder();
				  impl.getBalance(accountName, balance);
		          System.out.println("after deposit 300, " 
					  + accountName + "'s balance is " 
				      + balance.value);
			  } else {
			      System.err.println("deposit failure");
			  }

		  } else {
			  System.err.println("getBalance failure");
	      }

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