package com.oreilly.jent.corba;
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*
* "Java Enterprise in a Nutshell, Third Edition,
* by Jim Farley and William Crawford
* with Prakash Malani, John G. Norman, and Justin Gehtland.
* Copyright 2006 O'Reilly Media, Inc., 0-596-10142-2."
*
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import org.omg.CosNaming.*;
import org.omg.CORBA.*;
import org.omg.PortableServer.POA;
public class BindingExampleINS {
static public void main(String argv[]) {
try {
// Initialize our ORB reference
ORB myORB = ORB.init(argv, null);
// Get the root Portable Object Adapter (POA)
POA rootPOA = (POA) myORB.resolve_initial_references("RootPOA");
// Activate the POA manager
rootPOA.the_POAManager().activate();
// Get the root naming context, using the INS interface
org.omg.CORBA.Object ref =
myORB.resolve_initial_references("NameService");
NamingContextExt rootNC = NamingContextExtHelper.narrow(ref);
String currURL = null;
// Create a new context
NamingContext ctx = rootNC.new_context();
// Construct the name URL for the new context, and convert it to a
// Name (a NameComponent array) using the INS utility method to_name()
currURL = "bankBranches";
NameComponent path[] = rootNC.to_name(currURL);
// Bind the context to the name
rootNC.rebind_context(path, ctx);
System.out.println("Bound new context to " + currURL);
// Create another context, bind it to the path "bankBranches, Cambridge"
NamingContext cambridgeCtx = rootNC.new_context();
currURL = "bankBranches/Cambridge";
path = rootNC.to_name(currURL);
rootNC.rebind_context(path, cambridgeCtx);
System.out.println("Bound new context to " + currURL);
// Create another context, bind it to the path "bankBranches, Boston"
NamingContext bostonCtx = rootNC.new_context();
currURL = "bankBranches/Boston";
path = rootNC.to_name(currURL);
rootNC.rebind_context(path, bostonCtx);
System.out.println("Bound new context to " + currURL);
// Now we can bind Accounts to a name within any of the new sub-contexts
// Create a few Account server objects, and get usable client references
// from the POA
AccountImplPOA johnAcct = new AccountImplPOA("JohnSmith");
Account johnRef =
AccountHelper.narrow(rootPOA.servant_to_reference(johnAcct));
AccountImplPOA maryAcct = new AccountImplPOA("MarkJones");
Account maryRef =
AccountHelper.narrow(rootPOA.servant_to_reference(maryAcct));
// Bind each Account to a name in the appropriate branch path. Assume
// that John has his account out of the Cambridge branch, Mary has hers
// out of the Boston branch.
currURL = "bankBranches/Cambridge/Smith,J";
NameComponent johnPath[] = rootNC.to_name(currURL);
rootNC.rebind(johnPath, johnRef);
System.out.println("Bound new account to " + currURL);
currURL = "bankBranches/Boston/Jones,M";
NameComponent maryPath[] = rootNC.to_name(currURL);
rootNC.rebind(maryPath, maryRef);
System.out.println("Bound new account to " + currURL);
// Wait for client requests
myORB.run();
}
catch (Exception e) {
e.printStackTrace();
}
}
}
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