helloworldcorbaclient.java

21天学通java的示例程序源代码

// HelloWorldCORBAClient.java

import org.omg.CORBA.*;
import org.omg.CosNaming.*;
import java.util.GregorianCalendar;
import java.io.*;

class HelloWorldCORBAClient {
  public static void main(String args[]) {
    if (args.length == 0) {
      System.err.println("Usage : HelloWorldCORBAClient <objName>");
      System.exit(-1);
    } 

    HelloWorld2 helloWorld2Obj = null;

    try {
      ORB orb = ORB.init(args, null);

      org.omg.CORBA.Object contextObj = 
        orb.resolve_initial_references("NameService");
      NamingContext rootContext = NamingContextHelper.narrow(contextObj);

      NameComponent name = new NameComponent(args[0], "");
      NameComponent path[] = {
        name
      };

      org.omg.CORBA.Object obj = rootContext.resolve(path);
      helloWorld2Obj = HelloWorld2Helper.narrow(obj);
    } catch (Exception e) {
      System.err.println(e.getMessage());
      System.exit(-1);
    } 

    try {
      String responseStr = helloWorld2Obj.hello();
      System.out.println("CORBA Client : The response is '" + responseStr 
                         + "'\n");
    } catch (Exception e) {
      System.out.println("Exception : " + e);
      e.printStackTrace(System.out);
    } 
  } 
}