syspropserver.java

java实现CORBA

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

class SysPropImpl extends SysPropPOA {

  private ORB orb;
   public void setORB(ORB orb_val)
   {
     orb = orb_val;
   }
   public String getProperty(String key)
   {
     System.out.println("调用"+key);
     String s;
     s = System.getProperty(key);
     if(s==null)
     {
       s="null";
     }
     System.out.println(key+"="+s);
     return s;
   }
}

   public class SysPropServer
   {
     public static void main(String args[])
     {

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

           POA rootpoa = POAHelper.narrow(orb.resolve_initial_references("RootPOA"));

           rootpoa.the_POAManager().activate();
           SysPropImpl sysPropImpl = new SysPropImpl();

           sysPropImpl.setORB(orb);
           org.omg.CORBA.Object ref = rootpoa.servant_to_reference(sysPropImpl);
           SysProp href = SysPropHelper.narrow(ref);

           org.omg.CORBA.Object objRef = orb.resolve_initial_references("NameService");
           NamingContextExt ncRef = NamingContextExtHelper.narrow(objRef);

           String name = "SysProp";
           NameComponent path[] = ncRef.to_name(name);
	   ncRef.rebind(path,href);
           System.out.println("SysPropServer ready and waiting ...... ");
           orb.run();
         }
         catch(Exception e)
         {
           System.out.println("Error: " + e);
           e.printStackTrace(System.out);
         }
         System.out.println("GetItServer Exiting ...");
     }

   }