/**
* Create a new NamingContext, bind it in this Naming Context and return its object reference.
* This is equivalent to using new_context() followed by bind_context() with the supplied name and
* the object reference for the newly created NamingContext.
*
* @param n a sequence of NameComponents which is the name to be unbound.
* @return an object reference for a new NamingContext object implemented by this Name Server,
* bound to the supplied name.
* @exception org.omg.CosNaming.NamingContextPackage.AlreadyBound An object is already bound under
* the supplied name.
* @exception org.omg.CosNaming.NamingContextPackage.NotFound A name with multiple components was
* supplied, but the first component could not be resolved.
* @exception org.omg.CosNaming.NamingContextPackage.CannotProceed Could not proceed in resolving
* the n-1 components of the supplied name.
* @exception org.omg.CosNaming.NamingContextPackage.InvalidName The supplied name is invalid
* (i.e., has length less than 1).
* @exception org.omg.CORBA.SystemException One of a fixed set of CORBA system exceptions.
* @see new_context
* @see bind_context
*/
public NamingContext bind_new_context(NameComponent[] n)
throws org.omg.CosNaming.NamingContextPackage.NotFound,
org.omg.CosNaming.NamingContextPackage.AlreadyBound,
org.omg.CosNaming.NamingContextPackage.CannotProceed,
org.omg.CosNaming.NamingContextPackage.InvalidName {
NamingContext nc = null;
NamingContext rnc = null;
try {
if (debug) dprint("bind_new_context " + nameToString(n));
// The obvious solution:
nc = this.new_context();
this.bind_context(n, nc);
rnc = nc;
nc = null;
} finally {
try {
if (nc != null) nc.destroy();
} catch (org.omg.CosNaming.NamingContextPackage.NotEmpty e) {
}
}
if (updateLogger.isLoggable(Level.FINE)) {
// isLoggable call to make sure that we save some precious
// processor cycles, if there is no need to log.
updateLogger.fine(
LogKeywords.NAMING_BIND
+ "New Context Bound To "
+ NamingUtils.getDirectoryStructuredName(n));
}
return rnc;
}
public static void main(String args[]) {
// public void run() {
String nomOffice = args[0];
// Tableau des id/nom des sites
OfficeDBManager db = new OfficeDBManager();
Hashtable<Short, String> codeSite = new Hashtable<Short, String>();
// Table des id des sites
short[] idSite = db.getIdSites();
for (int i = 0; i < idSite.length; i++) {
codeSite.put(idSite[i], db.getCodeSite(idSite[i]));
}
try {
org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init(args, null);
// Gestion du POA
// ****************
// Recuperation du POA
POA rootPOA = POAHelper.narrow(orb.resolve_initial_references("RootPOA"));
// Creation du servant
// *********************
OfficeImpl monOffice = new OfficeImpl(orb, codeSite);
// Activer le servant au sein du POA et recuperer son ID
byte[] monOfficeId = rootPOA.activate_object(monOffice);
// Activer le POA manager
rootPOA.the_POAManager().activate();
/** ****** Enregistrement dans le service de nommage ******* */
// Recuperation du naming service
NamingContext nameRoot =
org.omg.CosNaming.NamingContextHelper.narrow(
orb.resolve_initial_references("NameService"));
// Construction du nom a enregistrer
org.omg.CosNaming.NameComponent[] nameToRegister = new org.omg.CosNaming.NameComponent[1];
nameToRegister[0] = new org.omg.CosNaming.NameComponent(nomOffice, "");
// Enregistrement de l'objet CORBA dans le service de noms
nameRoot.rebind(nameToRegister, rootPOA.servant_to_reference(monOffice));
System.out.println("==> Nom '" + nomOffice + "' est enregistre dans le service de noms.");
String IORServant = orb.object_to_string(rootPOA.servant_to_reference(monOffice));
System.out.println("L'objet possede la reference suivante :");
System.out.println(IORServant);
// Lancement de l'ORB et mise en attente de requete
// **************************************************
orb.run();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Implements resolving names in this NamingContext. The first component of the supplied name is
* resolved in this NamingContext by calling Resolve(). If there are no more components in the
* name, the resulting object reference is returned. Otherwise, the resulting object reference
* must have been bound as a context and be narrowable to a NamingContext. If this is the case,
* the remaining components of the name is resolved in the resulting NamingContext. This method is
* static for maximal reuse - even for extended naming context implementations where the recursive
* semantics still apply.
*
* @param impl an implementation of NamingContextDataStore
* @param n a sequence of NameComponents which is the name to be resolved.
* @return the object reference bound under the supplied name.
* @exception org.omg.CosNaming.NamingContextPackage.NotFound A name with multiple components was
* supplied, but the first component could not be resolved.
* @exception org.omg.CosNaming.NamingContextPackage.CannotProceed Could not proceed in resolving
* the first component of the supplied name.
* @exception org.omg.CosNaming.NamingContextPackage.InvalidName The supplied name is invalid
* (i.e., has length less than 1).
* @exception org.omg.CORBA.SystemException One of a fixed set of CORBA system exceptions.
* @see resolve
*/
public static org.omg.CORBA.Object doResolve(NamingContextDataStore impl, NameComponent[] n)
throws org.omg.CosNaming.NamingContextPackage.NotFound,
org.omg.CosNaming.NamingContextPackage.CannotProceed,
org.omg.CosNaming.NamingContextPackage.InvalidName {
org.omg.CORBA.Object obj = null;
BindingTypeHolder bth = new BindingTypeHolder();
// Length must be greater than 0
if (n.length < 1) throw new InvalidName();
// The identifier must be set
if (n.length == 1) {
synchronized (impl) {
// Resolve first level in this context
obj = impl.Resolve(n[0], bth);
}
if (obj == null) {
// Object was not found
throw new NotFound(NotFoundReason.missing_node, n);
}
return obj;
} else {
// n.length > 1
if ((n[1].id.length() == 0) && (n[1].kind.length() == 0)) {
throw new InvalidName();
}
NamingContext context = resolveFirstAsContext(impl, n);
// Compute restOfName = name[1..length]
NameComponent[] tail = new NameComponent[n.length - 1];
System.arraycopy(n, 1, tail, 0, n.length - 1);
// Resolve rest of name in context
try {
// First try to resolve using the local call, this should work
// most of the time unless there are federated naming contexts.
Servant servant = impl.getNSPOA().reference_to_servant(context);
return doResolve(((NamingContextDataStore) servant), tail);
} catch (Exception e) {
return context.resolve(tail);
}
}
}
private static void rlist(NamingContext ctx, NameComponent[] base, StringBuffer buf) {
BindingListHolder listHolder = new BindingListHolder(new Binding[0]);
BindingIteratorHolder iterHolder = new BindingIteratorHolder();
ctx.list(0, listHolder, iterHolder);
BindingHolder bindingHolder = new BindingHolder();
if (iterHolder.value == null) return;
NameComponent[] name = new NameComponent[base.length + 1];
for (int i = 0; i < base.length; i++) name[i] = base[i];
while (iterHolder.value.next_one(bindingHolder)) {
Binding binding = bindingHolder.value;
name[name.length - 1] = binding.binding_name[0];
try {
String stringName = namingService.to_string(name);
buf.append(stringName);
} catch (Exception e) {
buf.append(e.getMessage());
}
if (binding.binding_type.value() == BindingType._ncontext) {
// this entry is for a subcontext
// add trailing '/' just to distinguish
// a subcontext from a regular object
buf.append('/');
buf.append('\n');
// recursively list the subcontext contents
try {
NamingContext subCtx = NamingContextHelper.narrow(ctx.resolve(binding.binding_name));
rlist(subCtx, name, buf);
} catch (Exception e) {
buf.append(e.getMessage());
}
} else {
buf.append('\n');
}
}
}
/**
* Implements unbinding bound names in this NamingContext. If the name contains only one
* component, the name is unbound in this NamingContext using Unbind(). Otherwise, the first
* component of the name is resolved in this NamingContext and unbind passed to the resulting
* NamingContext. This method is static for maximal reuse - even for extended naming context
* implementations where the recursive semantics still apply.
*
* @param impl an implementation of NamingContextDataStore
* @param n a sequence of NameComponents which is the name to be unbound.
* @exception org.omg.CosNaming.NamingContextPackage.NotFound A name with multiple components was
* supplied, but the first component could not be resolved.
* @exception org.omg.CosNaming.NamingContextPackage.CannotProceed Could not proceed in resolving
* the n-1 components of the supplied name.
* @exception org.omg.CosNaming.NamingContextPackage.InvalidName The supplied name is invalid
* (i.e., has length less than 1).
* @exception org.omg.CORBA.SystemException One of a fixed set of CORBA system exceptions.
* @see resolve
*/
public static void doUnbind(NamingContextDataStore impl, NameComponent[] n)
throws org.omg.CosNaming.NamingContextPackage.NotFound,
org.omg.CosNaming.NamingContextPackage.CannotProceed,
org.omg.CosNaming.NamingContextPackage.InvalidName {
// Name valid?
if (n.length < 1) throw new InvalidName();
// Unbind here?
if (n.length == 1) {
// The identifier must be set
if ((n[0].id.length() == 0) && (n[0].kind.length() == 0)) {
throw new InvalidName();
}
org.omg.CORBA.Object objRef = null;
synchronized (impl) {
// Yes: unbind in this context
objRef = impl.Unbind(n[0]);
}
if (objRef == null)
// It was not bound
throw new NotFound(NotFoundReason.missing_node, n);
// Done
return;
} else {
// No: unbind in a different context
// Resolve first - must be resolveable
NamingContext context = resolveFirstAsContext(impl, n);
// Compute tail
NameComponent[] tail = new NameComponent[n.length - 1];
System.arraycopy(n, 1, tail, 0, n.length - 1);
// Propagate unbind to this context
context.unbind(tail);
}
}
public static void main(String[] args) {
loggedUser = args[0];
try {
ORB orb = ORB.init(args, null); // initialize ORB
o = orb.resolve_initial_references("NameService");
// get reference to Deal object
NamingContext ncRef = NamingContextHelper.narrow(o);
NameComponent[] nc = new NameComponent[1];
nc[0] = new NameComponent();
nc[0].id = "Auction";
nc[0].kind = "";
a = AuctionHelper.narrow(ncRef.resolve(nc));
isr = new InputStreamReader(System.in);
in = new BufferedReader(isr);
int sel = 0;
System.out.println("******* You have logged in Successfully! ********");
while (sel == 0) {
System.out.println("Please make a selection");
System.out.println("\t1. Get all the listed auctions");
System.out.println("\t2. List a new item for auction.");
System.out.println("\t3. Lookup an auction.");
System.out.println("\t4. Place a bid on an auction.");
System.out.println("\t5. Logout.");
System.out.print("Please make your selection > ");
String f = in.readLine();
try {
sel = Integer.parseInt(f);
} catch (Exception e) {
sel = 42;
}
switch (sel) {
case 1:
allItems();
sel = 0;
break;
case 2:
newAuction();
sel = 0;
break;
case 3:
System.out.println("Stub");
sel = 0;
break;
case 4:
placeBid();
sel = 0;
break;
case 5:
a.logout(loggedUser);
System.out.println("BYE!");
System.exit(0);
default:
System.out.println("You have not made a valid selection, please try again.");
sel = 0;
break;
}
}
} catch (Exception e) {
System.out.println("ERROR : " + e);
e.printStackTrace(System.out);
}
}
/** @param args the command line arguments */
public static void main(String args[]) {
try {
// create and initialize the ORB
ORB orb = ORB.init(args, null);
// get reference to rootpoa & activate the POAManager
POA rootpoa = POAHelper.narrow(orb.resolve_initial_references("RootPOA"));
rootpoa.the_POAManager().activate();
// create servant
Log_viewerImpl log_viewerImpl = new Log_viewerImpl();
log_viewerImpl.setORB(orb);
LogFrame frame = new LogFrame(log_viewerImpl);
frame.setVisible(true);
log_viewerImpl.setFrame(frame);
// get object reference from the servant
org.omg.CORBA.Object ref = rootpoa.servant_to_reference(log_viewerImpl);
Log_viewer href = Log_viewerHelper.narrow(ref);
// read stringified Registry to file
FileReader fr = new FileReader(IORFILE);
BufferedReader br = new BufferedReader(fr);
String remoteRegistryIOR = br.readLine();
// get the romote Registry
org.omg.CORBA.Object ncobj = orb.string_to_object(remoteRegistryIOR);
NamingContext rootNC = NamingContextHelper.narrow(ncobj);
frame.println("Obtained Name Service reference.");
log_viewerImpl.serRootNC(rootNC);
NameComponent[] name = new NameComponent[1];
name[0] = new NameComponent("Logger", "");
try {
rootNC.bind(name, href);
} catch (org.omg.CORBA.UserException ue) {
ue.printStackTrace();
System.exit(-1);
}
frame.println("Logger Remote Interface bound in Name Service");
// wait for invocations from client
frame.println("Logger ready and waiting ...");
orb.run();
frame.println("Logger Exiting ...");
System.out.println("Logger Exiting ...");
} catch (Exception e) {
System.err.println("ERROR: " + e);
// e.printStackTrace(System.out);
}
}
/**
* Implements all four flavors of binding. It uses Resolve() to check if a binding already exists
* (for bind and bind_context), and unbind() to ensure that a binding does not already exist. If
* the length of the name is 1, then Bind() is called with the name and the object to bind.
* Otherwise, the first component of the name is resolved in this NamingContext and the
* appropriate form of bind passed to the resulting NamingContext. This method is static for
* maximal reuse - even for extended naming context implementations where the recursive semantics
* still apply.
*
* @param impl an implementation of NamingContextDataStore
* @param n a sequence of NameComponents which is the name under which the object will be bound.
* @param obj the object reference to be bound.
* @param rebind Replace an existing binding or not.
* @param bt Type of binding (as object or as context).
* @exception org.omg.CosNaming.NamingContextPackage.NotFound A name with multiple components was
* supplied, but the first component could not be resolved.
* @exception org.omg.CosNaming.NamingContextPackage.CannotProceed Could not * proceed in
* resolving the first component of the supplied name.
* @exception org.omg.CosNaming.NamingContextPackage.InvalidName The supplied name is invalid
* (i.e., has length less than 1).
* @exception org.omg.CosNaming.NamingContextPackage.AlreadyBound An object is already bound under
* the supplied name.
* @exception org.omg.CORBA.SystemException One of a fixed set of CORBA system exceptions.
* @see resolve
* @see unbind
* @see bind
* @see bind_context
* @see rebind
* @see rebind_context
*/
public static void doBind(
NamingContextDataStore impl,
NameComponent[] n,
org.omg.CORBA.Object obj,
boolean rebind,
org.omg.CosNaming.BindingType bt)
throws org.omg.CosNaming.NamingContextPackage.NotFound,
org.omg.CosNaming.NamingContextPackage.CannotProceed,
org.omg.CosNaming.NamingContextPackage.InvalidName,
org.omg.CosNaming.NamingContextPackage.AlreadyBound {
// Valid name?
if (n.length < 1) throw new InvalidName();
// At bottom level?
if (n.length == 1) {
// The identifier must be set
if ((n[0].id.length() == 0) && (n[0].kind.length() == 0)) {
throw new InvalidName();
}
// Ensure synchronization of backend
synchronized (impl) {
// Yes: bind object in this context under the name
BindingTypeHolder bth = new BindingTypeHolder();
if (rebind) {
org.omg.CORBA.Object objRef = impl.Resolve(n[0], bth);
if (objRef != null) {
// Refer Naming Service Doc:00-11-01 section 2.2.3.4
// If there is an object already bound with the name
// and the binding type is not ncontext a NotFound
// Exception with a reason of not a context has to be
// raised.
// Fix for bug Id: 4384628
if (bth.value.value() == BindingType.nobject.value()) {
if (bt.value() == BindingType.ncontext.value()) {
throw new NotFound(NotFoundReason.not_context, n);
}
} else {
// Previously a Context was bound and now trying to
// bind Object. It is invalid.
if (bt.value() == BindingType.nobject.value()) {
throw new NotFound(NotFoundReason.not_object, n);
}
}
impl.Unbind(n[0]);
}
} else {
if (impl.Resolve(n[0], bth) != null)
// "Resistence is futile." [Borg pickup line]
throw new AlreadyBound();
}
// Now there are no other bindings under this name
impl.Bind(n[0], obj, bt);
}
} else {
// No: bind in a different context
NamingContext context = resolveFirstAsContext(impl, n);
// Compute tail
NameComponent[] tail = new NameComponent[n.length - 1];
System.arraycopy(n, 1, tail, 0, n.length - 1);
// How should we propagate the bind
switch (bt.value()) {
case BindingType._nobject:
{
// Bind as object
if (rebind) context.rebind(tail, obj);
else context.bind(tail, obj);
}
break;
case BindingType._ncontext:
{
// Narrow to a naming context using Java casts. It must
// work.
NamingContext objContext = (NamingContext) obj;
// Bind as context
if (rebind) context.rebind_context(tail, objContext);
else context.bind_context(tail, objContext);
}
break;
default:
// This should not happen
throw staticWrapper.namingCtxBadBindingtype();
}
}
}
