--- old/src/java.corba/share/classes/com/sun/corba/se/impl/naming/pcosnaming/NamingContextImpl.java 2018-01-30 20:18:29.000000000 -0500
+++ /dev/null 2018-01-30 20:18:29.000000000 -0500
@@ -1,1302 +0,0 @@
-/*
- * Copyright (c) 1999, 2003, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package com.sun.corba.se.impl.naming.pcosnaming;
-
-
-import org.omg.CORBA.Object;
-import org.omg.CORBA.SystemException;
-import org.omg.CORBA.BAD_PARAM;
-import org.omg.CORBA.CompletionStatus;
-import org.omg.CORBA.Policy;
-import org.omg.PortableServer.POA;
-import org.omg.PortableServer.LifespanPolicyValue;
-import org.omg.PortableServer.RequestProcessingPolicyValue;
-import org.omg.PortableServer.IdAssignmentPolicyValue;
-import org.omg.PortableServer.ServantRetentionPolicyValue;
-
-import org.omg.CosNaming.*;
-import org.omg.CosNaming.NamingContextPackage.*;
-import org.omg.CosNaming.NamingContextExtPackage.*;
-
-import com.sun.corba.se.impl.naming.cosnaming.NamingContextDataStore;
-import com.sun.corba.se.impl.naming.cosnaming.NamingUtils;
-
-import com.sun.corba.se.impl.naming.namingutil.INSURLHandler;
-
-import com.sun.corba.se.spi.orb.ORB;
-import com.sun.corba.se.spi.logging.CORBALogDomains;
-
-import com.sun.corba.se.impl.orbutil.ORBConstants;
-import com.sun.corba.se.impl.logging.NamingSystemException;
-
-import java.io.Serializable;
-import java.util.Hashtable;
-
-/**
- * Class NamingContextImpl implements the org.omg.CosNaming::NamingContext and
- * NamingContextExt interface.
- *
- * The operations bind(), rebind(), bind_context() and rebind_context()
- * are all really implemented by doBind(). resolve() is really implemented
- * by doResolve(), unbind() by doUnbind(). list(), new_context() and
- * destroy() uses the NamingContextDataStore interface directly. All the
- * doX() methods are public static.
- * They synchronize on the NamingContextDataStore object.
- *
- * None of the methods here are Synchronized because These methods will be
- * invoked from Super class's doBind( ), doResolve( ) which are already
- * Synchronized.
- */
-
-
-public class NamingContextImpl
- extends NamingContextExtPOA
- implements NamingContextDataStore, Serializable
-{
-
- // The ORB is required to do string_to_object() operations
- // All the references are stored in the files in the form of IOR strings
- private transient ORB orb;
-
- // The ObjectKey will be in the format NC which uniquely identifies
- // The NamingContext internaly
- private final String objKey;
-
- // Hash table contains all the entries in the NamingContexts. The
- // CORBA.Object references will be stored in the form of IOR strings
- // and the Child Naming Contexts will have it's key as the entry in the
- // table. This table is written into File everytime an update is made
- // on this context.
- private final Hashtable theHashtable = new Hashtable( );
-
- // The NameServiceHandle is required to get the ObjectId from the
- // NamingContext's references. These references are created using
- // POA in the NameService.
- private transient NameService theNameServiceHandle;
-
- // ServantManager is the single point of contact to Read, Write and
- // Update the NamingContextFile
- private transient ServantManagerImpl theServantManagerImplHandle;
-
- // All the INS (Interoperable Naming Service) methods are defined in this class
- // All the calls to INS will be delegated to this class.
- private transient com.sun.corba.se.impl.naming.cosnaming.InterOperableNamingImpl insImpl;
-
- private transient NamingSystemException readWrapper ;
-
- private transient NamingSystemException updateWrapper ;
-
- private static POA biPOA = null;
-
- /**
- * Create a naming context servant.
- * Runs the super constructor.
- * @param orb an ORB object.
- * @param objKey as String
- * @param theNameService as NameService
- * @param theServantManagerImpl as ServantManagerImpl
- * @exception java.lang.Exception a Java exception.
- */
-
- public NamingContextImpl(ORB orb, String objKey,
- NameService theNameService, ServantManagerImpl theServantManagerImpl )
- throws Exception
- {
- super();
-
- this.orb = orb;
- readWrapper = NamingSystemException.get( orb,
- CORBALogDomains.NAMING_READ ) ;
- updateWrapper = NamingSystemException.get( orb,
- CORBALogDomains.NAMING_UPDATE ) ;
-
- debug = true ; // orb.namingDebugFlag ;
- this.objKey = objKey;
- theNameServiceHandle = theNameService;
- theServantManagerImplHandle = theServantManagerImpl;
- insImpl =
- new com.sun.corba.se.impl.naming.cosnaming.InterOperableNamingImpl();
- }
-
- com.sun.corba.se.impl.naming.cosnaming.InterOperableNamingImpl getINSImpl( )
- {
- if( insImpl == null )
- {
- // insImpl will be null if the NamingContext graph is rebuilt from
- // the persistence store.
- insImpl =
- new com.sun.corba.se.impl.naming.cosnaming.InterOperableNamingImpl();
- }
- return insImpl;
- }
-
-
- public void setRootNameService( NameService theNameService ) {
- theNameServiceHandle = theNameService;
- }
-
- public void setORB( ORB theOrb ) {
- orb = theOrb;
- }
-
- public void setServantManagerImpl(
- ServantManagerImpl theServantManagerImpl )
- {
- theServantManagerImplHandle = theServantManagerImpl;
- }
-
- public POA getNSPOA( ) {
- return theNameServiceHandle.getNSPOA( );
- }
-
-
-
-
- /**
- * Bind an object under a name in this NamingContext. If the name
- * contains multiple (n) components, n-1 will be resolved in this
- * NamingContext and the object bound in resulting NamingContext.
- * An exception is thrown if a binding with the supplied name already
- * exists. If the
- * object to be bound is a NamingContext it will not participate in
- * a recursive resolve.
- * @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.
- * @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.CosNaming.NamingContextPackage.AlreadyBound The supplied name
- * is already bound.
- * @exception org.omg.CORBA.SystemException One of a fixed set of CORBA system exceptions.
- * @see doBind
- */
- public void bind(NameComponent[] n, org.omg.CORBA.Object obj)
- throws org.omg.CosNaming.NamingContextPackage.NotFound,
- org.omg.CosNaming.NamingContextPackage.CannotProceed,
- org.omg.CosNaming.NamingContextPackage.InvalidName,
- org.omg.CosNaming.NamingContextPackage.AlreadyBound
- {
- if( obj == null ) {
- throw updateWrapper.objectIsNull() ;
- }
-
- if (debug)
- dprint("bind " + nameToString(n) + " to " + obj);
- // doBind implements all four flavors of binding
- NamingContextDataStore impl = (NamingContextDataStore)this;
- doBind(impl,n,obj,false,BindingType.nobject);
- }
-
- /**
- * Bind a NamingContext under a name in this NamingContext. If the name
- * contains multiple (n) components, n-1 will be resolved in this
- * NamingContext and the object bound in resulting NamingContext.
- * An exception is thrown if a binding with the supplied name already
- * exists. The NamingContext will participate in recursive resolving.
- * @param n a sequence of NameComponents which is the name under which
- * the object will be bound.
- * @param nc the NamingContect object reference to be bound.
- * @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.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 doBind
- */
- public void bind_context(NameComponent[] n, NamingContext nc)
- throws org.omg.CosNaming.NamingContextPackage.NotFound,
- org.omg.CosNaming.NamingContextPackage.CannotProceed,
- org.omg.CosNaming.NamingContextPackage.InvalidName,
- org.omg.CosNaming.NamingContextPackage.AlreadyBound
- {
- if( nc == null ) {
- throw updateWrapper.objectIsNull() ;
- }
- // doBind implements all four flavors of binding
- NamingContextDataStore impl = (NamingContextDataStore)this;
- doBind(impl,n,nc,false,BindingType.ncontext);
- }
-
- /**
- * Bind an object under a name in this NamingContext. If the name
- * contains multiple (n) components, n-1 will be resolved in this
- * NamingContext and the object bound in resulting NamingContext.
- * If a binding under the supplied name already exists it will be
- * unbound first. If the
- * object to be bound is a NamingContext it will not participate in
- * a recursive resolve.
- * @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.
- * @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 doBind
- */
- public void rebind(NameComponent[] n, org.omg.CORBA.Object obj)
- throws org.omg.CosNaming.NamingContextPackage.NotFound,
- org.omg.CosNaming.NamingContextPackage.CannotProceed,
- org.omg.CosNaming.NamingContextPackage.InvalidName
- {
- if( obj == null )
- {
- throw updateWrapper.objectIsNull() ;
- }
- try {
- if (debug)
- dprint("rebind " + nameToString(n) + " to " + obj);
- // doBind implements all four flavors of binding
- NamingContextDataStore impl = (NamingContextDataStore)this;
- doBind(impl,n,obj,true,BindingType.nobject);
- } catch (org.omg.CosNaming.NamingContextPackage.AlreadyBound ex) {
- // This should not happen
- throw updateWrapper.namingCtxRebindAlreadyBound( ex ) ;
- }
- }
-
- /**
- * Bind a NamingContext under a name in this NamingContext. If the name
- * contains multiple (n) components, the first n-1 components will be
- * resolved in this
- * NamingContext and the object bound in resulting NamingContext.
- * If a binding under the supplied name already exists it will be
- * unbound first. The NamingContext will participate in recursive resolving.
- * @param n a sequence of NameComponents which is the name under which
- * the object will be bound.
- * @param nc the object reference to be bound.
- * @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 doBind
- */
- public void rebind_context(NameComponent[] n, NamingContext nc)
- throws org.omg.CosNaming.NamingContextPackage.NotFound,
- org.omg.CosNaming.NamingContextPackage.CannotProceed,
- org.omg.CosNaming.NamingContextPackage.InvalidName
- {
- try {
- if (debug)
- dprint("rebind_context " + nameToString(n) + " to " + nc);
- // doBind implements all four flavors of binding
- NamingContextDataStore impl = (NamingContextDataStore)this;
- doBind(impl,n,nc,true,BindingType.ncontext);
- } catch (org.omg.CosNaming.NamingContextPackage.AlreadyBound ex) {
- // This should not happen
- throw updateWrapper.namingCtxRebindAlreadyBound( ex ) ;
- }
- }
-
- /**
- * Resolve a name in this NamingContext and return the object reference
- * bound to the name. If the name contains multiple (n) components,
- * the first component will be resolved in this NamingContext and the
- * remaining components resolved in the resulting NamingContext, provided
- * that the NamingContext bound to the first component of the name was
- * bound with bind_context().
- * @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 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 doResolve
- */
- public org.omg.CORBA.Object resolve(NameComponent[] n)
- throws org.omg.CosNaming.NamingContextPackage.NotFound,
- org.omg.CosNaming.NamingContextPackage.CannotProceed,
- org.omg.CosNaming.NamingContextPackage.InvalidName
- {
- if (debug)
- dprint("resolve " + nameToString(n));
- // doResolve actually resolves
- NamingContextDataStore impl = (NamingContextDataStore)this;
- return doResolve(impl,n);
- }
-
- /**
- * Remove a binding from this NamingContext. If the name contains
- * multiple (n) components, the first n-1 components will be resolved
- * from this NamingContext and the final component unbound in
- * the resulting NamingContext.
- * @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 doUnbind
- */
- public void unbind(NameComponent[] n)
- throws org.omg.CosNaming.NamingContextPackage.NotFound,
- org.omg.CosNaming.NamingContextPackage.CannotProceed,
- org.omg.CosNaming.NamingContextPackage.InvalidName
- {
- if (debug)
- dprint("unbind " + nameToString(n));
- // doUnbind actually unbinds
- NamingContextDataStore impl = (NamingContextDataStore)this;
- doUnbind(impl,n);
- }
-
- /**
- * List the contents of this NamingContest. A sequence of bindings
- * is returned (a BindingList) containing up to the number of requested
- * bindings, and a BindingIterator object reference is returned for
- * iterating over the remaining bindings.
- * @param how_many The number of requested bindings in the BindingList.
- * @param bl The BindingList as an out parameter.
- * @param bi The BindingIterator as an out parameter.
- * @exception org.omg.CORBA.SystemException One of a fixed set of CORBA system exceptions.
- * @see BindingListHolder
- * @see BindingIteratorImpl
- */
- public void list(int how_many, BindingListHolder bl, BindingIteratorHolder bi)
- {
- if (debug)
- dprint("list(" + how_many + ")");
- // List actually generates the list
- NamingContextDataStore impl = (NamingContextDataStore)this;
- synchronized (impl) {
- impl.List(how_many,bl,bi);
- }
- if (debug && bl.value != null)
- dprint("list(" + how_many + ") -> bindings[" + bl.value.length +
- "] + iterator: " + bi.value);
- }
-
-
- /**
- * Create a NamingContext object and return its object reference.
- * @return an object reference for a new NamingContext object implemented
- * by this Name Server.
- * @exception org.omg.CORBA.SystemException One of a fixed set of CORBA system exceptions.
- */
- public synchronized NamingContext new_context()
- {
- // Create actually creates a new naming context
- if (debug)
- dprint("new_context()");
- NamingContextDataStore impl = (NamingContextDataStore)this;
- synchronized (impl) {
- return impl.NewContext();
- }
- }
-
-
- /**
- * 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) {
- }
- }
- return rnc;
- }
-
- /**
- * Destroy this NamingContext object. If this NamingContext contains
- * no bindings, the NamingContext is deleted.
- * @exception org.omg.CosNaming.NamingContextPackage.NotEmpty This NamingContext
- * is not empty (i.e., contains bindings).
- * @exception org.omg.CORBA.SystemException One of a fixed set of CORBA system exceptions.
- */
- public void destroy()
- throws org.omg.CosNaming.NamingContextPackage.NotEmpty
- {
- if (debug)
- dprint("destroy ");
- NamingContextDataStore impl = (NamingContextDataStore)this;
- synchronized (impl) {
- if (impl.IsEmpty() == true)
- // The context is empty so it can be destroyed
- impl.Destroy();
- else
- // This context is not empty!
- throw new org.omg.CosNaming.NamingContextPackage.NotEmpty();
- }
- }
-
- /**
- * 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
- */
- private 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 org.omg.CosNaming.NamingContextPackage.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 org.omg.CosNaming.NamingContextPackage.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)
- throw new org.omg.CosNaming.NamingContextPackage.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 updateWrapper.namingCtxBadBindingtype() ;
- }
- }
- }
-
-
- /**
- * 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 org.omg.CosNaming.NamingContextPackage.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 org.omg.CosNaming.NamingContextPackage.NotFound(NotFoundReason.missing_node,n);
- }
- return obj;
- } else {
- // n.length > 1
- if ( (n[1].id.length() == 0) && (n[1].kind.length() == 0 ) )
- throw new org.omg.CosNaming.NamingContextPackage.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
- return context.resolve(tail);
- }
- }
-
- /**
- * 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 org.omg.CosNaming.NamingContextPackage.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 org.omg.CosNaming.NamingContextPackage.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 org.omg.CosNaming.NamingContextPackage.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);
- }
- }
-
- /**
- * Implements resolving a NameComponent in this context and
- * narrowing it to CosNaming::NamingContext. It will throw appropriate
- * exceptions if not found or not narrowable.
- * @param impl an implementation of NamingContextDataStore
- * @param n a NameComponents which is the name to be found.
- * @exception org.omg.CosNaming.NamingContextPackage.NotFound 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.CORBA.SystemException One of a fixed set of CORBA system exceptions.
- * @see resolve
- */
- protected static NamingContext resolveFirstAsContext(NamingContextDataStore impl,
- NameComponent[] n)
- throws org.omg.CosNaming.NamingContextPackage.NotFound {
- org.omg.CORBA.Object topRef = null;
- BindingTypeHolder bth = new BindingTypeHolder();
- NamingContext context = null;
-
- synchronized (impl) {
- // Resolve first - must be resolveable
- topRef = impl.Resolve(n[0],bth);
- if (topRef == null) {
- // It was not bound
- throw new org.omg.CosNaming.NamingContextPackage.NotFound(NotFoundReason.missing_node,n);
- }
- }
-
- // Was it bound as a context?
- if (bth.value != BindingType.ncontext) {
- // It was not a context
- throw new org.omg.CosNaming.NamingContextPackage.NotFound(NotFoundReason.not_context,n);
- }
-
- // Narrow to a naming context
- try {
- context = NamingContextHelper.narrow(topRef);
- } catch (org.omg.CORBA.BAD_PARAM ex) {
- // It was not a context
- throw new org.omg.CosNaming.NamingContextPackage.NotFound(NotFoundReason.not_context,n);
- }
-
- // Hmm. must be ok
- return context;
- }
-
- public static String nameToString(NameComponent[] name)
- {
- StringBuffer s = new StringBuffer("{");
- if (name != null || name.length > 0) {
- for (int i=0;i0)
- s.append(",");
- s.append("[").
- append(name[i].id).
- append(",").
- append(name[i].kind).
- append("]");
- }
- }
- s.append("}");
- return s.toString();
- }
-
- // Debugging aids.
- private static boolean debug ;
-
- private static void dprint(String msg) {
- NamingUtils.dprint("NamingContextImpl(" +
- Thread.currentThread().getName() + " at " +
- System.currentTimeMillis() +
- " ems): " + msg);
- }
-
-
- /**
- * Implements all flavors of binding( bind and bindcontext)
- * This method will be called from the superclass's doBind( ) method
- * which takes care of all the conditions before calling this method.
- * i.e., It checks whether the Name is already Bounded, Then in the
- * case of rebind it calls Unbind first.
- * This method does one level binding only, To have n-level binding
- * with compound names, doBind( ) calls this method recursively.
- * @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 bt Type of binding (as object or as context).
- * @exception org.omg.CosNaming.NamingContextPackage.NotFound raised
- * if the NameComoponent list is invalid
- * @exception org.omg.CosNaming.NamingContextPackage.CannotProceed
- * Could not proceed in resolving the Name from the given NameComponent
- * @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
- */
- public void Bind(NameComponent n, org.omg.CORBA.Object obj, BindingType bt)
- {
- if( obj == null ) {
- // Raise a Valid Exception and Return
- return;
- }
-
- InternalBindingKey key = new InternalBindingKey(n);
- InternalBindingValue value;
-
- try {
- if( bt.value() == BindingType._nobject ) {
- // If the BindingType is an ObjectRef then Stringify this ref and
- // Store it in InternalBindingValue instance. This is required
- // because the Object References has to be stored in file
- value = new InternalBindingValue(bt, orb.object_to_string(obj) );
- value.setObjectRef( obj );
- } else {
- // If the BindingType is a NamingContext then get it's object key
- // from the NameService and store it in the Internal Binding Value instance
- String theNCKey = theNameServiceHandle.getObjectKey( obj );
- value = new InternalBindingValue( bt, theNCKey );
- value.setObjectRef( obj );
- }
-
- InternalBindingValue oldValue =
- (InternalBindingValue)this.theHashtable.put(key,value);
-
- if( oldValue != null) {
- // There was an entry with this name in the Hashtable and hence throw CTX_ALREADY_BOUND
- // exception
- throw updateWrapper.namingCtxRebindAlreadyBound() ;
- } else {
- try {
- // Everything went smooth so update the NamingContext file with the
- // latest Hashtable image
- theServantManagerImplHandle.updateContext( objKey, this );
- } catch( Exception e ) {
- // Something went wrong while updating the context
- // so speak the error
- throw updateWrapper.bindUpdateContextFailed( e ) ;
- }
- }
- } catch( Exception e ) {
- // Something went wrong while Binding the Object Reference
- // Speak the error again.
- throw updateWrapper.bindFailure( e ) ;
- }
- }
-
- /**
- * This method resolves the NamingContext or Object Reference for one level
- * The doResolve( ) method calls Resolve( ) recursively to resolve n level
- * Names.
- * @param n a sequence of NameComponents which is the name to be resolved.
- * @param bth Type of binding (as object or as context).
- * @return the object reference bound under the supplied name.
- * @exception org.omg.CosNaming.NamingContextPackage.NotFound Neither a NamingContext
- * or a Corba Object reference not found under this Name
- * @exception org.omg.CosNaming.NamingContextPackage.CannotProceed Could not proceed
- * in resolving the 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 Bind
- */
- public Object Resolve(NameComponent n, BindingTypeHolder bth)
- throws SystemException
- {
- if( ( n.id.length() == 0 ) &&( n.kind.length() == 0 ) ) {
- // If the NameComponent list has no entry then it means the current
- // context was requested
- bth.value = BindingType.ncontext;
- return theNameServiceHandle.getObjectReferenceFromKey(
- this.objKey );
- }
-
- InternalBindingKey key = new InternalBindingKey(n);
- InternalBindingValue value =
- (InternalBindingValue) this.theHashtable.get(key);
-
- if( value == null ) {
- // No entry was found for the given name and hence return NULL
- // NamingContextDataStore throws appropriate exception if
- // required.
- return null;
- }
-
- Object theObjectFromStringifiedReference = null;
- bth.value = value.theBindingType;
-
- try {
- // Check whether the entry found in the Hashtable starts with NC
- // Which means it's a name context. So get the NamingContext reference
- // from ServantManager, which would either return from the cache or
- // read it from the File.
- if( value.strObjectRef.startsWith( "NC" ) ) {
- bth.value = BindingType.ncontext;
- return theNameServiceHandle.getObjectReferenceFromKey( value.strObjectRef );
- } else {
- // Else, It is a Object Reference. Check whether Object Reference
- // can be obtained directly, If not then convert the stringified
- // reference to object and return.
- theObjectFromStringifiedReference = value.getObjectRef( );
-
- if (theObjectFromStringifiedReference == null ) {
- try {
- theObjectFromStringifiedReference =
- orb.string_to_object( value.strObjectRef );
- value.setObjectRef( theObjectFromStringifiedReference );
- } catch( Exception e ) {
- throw readWrapper.resolveConversionFailure(
- CompletionStatus.COMPLETED_MAYBE, e );
- }
- }
- }
- } catch ( Exception e ) {
- throw readWrapper.resolveFailure(
- CompletionStatus.COMPLETED_MAYBE, e );
- }
-
- return theObjectFromStringifiedReference;
- }
-
- /**
- * This method Unbinds the NamingContext or Object Reference for one level
- * The doUnbind( ) method from superclass calls Unbind() to recursively
- * Unbind using compound Names.
- * @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 Neither a NamingContext
- * or a Corba Object reference not found under this Name
- * @exception org.omg.CosNaming.NamingContextPackage.CannotProceed Could not proceed
- * in resolving the 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 Bind
- */
-
- public Object Unbind(NameComponent n) throws SystemException
- {
- try {
- InternalBindingKey key = new InternalBindingKey(n);
- InternalBindingValue value = null;
-
- try {
- value = (InternalBindingValue) this.theHashtable.remove(key);
- } catch( Exception e ) {
- // Ignore the exception in Hashtable.remove
- }
-
- theServantManagerImplHandle.updateContext( objKey, this );
-
- if( value == null ) {
- return null;
- }
-
- if( value.strObjectRef.startsWith( "NC" ) ) {
- theServantManagerImplHandle.readInContext( value.strObjectRef );
- Object theObjectFromStringfiedReference =
- theNameServiceHandle.getObjectReferenceFromKey( value.strObjectRef );
- return theObjectFromStringfiedReference;
- } else {
- Object theObjectFromStringifiedReference = value.getObjectRef( );
-
- if( theObjectFromStringifiedReference == null ) {
- theObjectFromStringifiedReference =
- orb.string_to_object( value.strObjectRef );
- }
-
- return theObjectFromStringifiedReference;
- }
- } catch( Exception e ) {
- throw updateWrapper.unbindFailure( CompletionStatus.COMPLETED_MAYBE, e );
- }
- }
-
- /**
- * List the contents of this NamingContext. It creates a new
- * PersistentBindingIterator object and passes it a clone of the
- * hash table and an orb object. It then uses the
- * newly created object to return the required number of bindings.
- * @param how_many The number of requested bindings in the BindingList.
- * @param bl The BindingList as an out parameter.
- * @param bi The BindingIterator as an out parameter.
- * @exception org.omg.CORBA.SystemException One of a fixed set of CORBA system exceptions.
- */
-
- public void List(int how_many, BindingListHolder bl,
- BindingIteratorHolder bi) throws SystemException
- {
- if( biPOA == null ) {
- createbiPOA( );
- }
- try {
- PersistentBindingIterator bindingIterator =
- new PersistentBindingIterator(this.orb,
- (Hashtable)this.theHashtable.clone(), biPOA);
- // Have it set the binding list
- bindingIterator.list(how_many,bl);
-
- byte[] objectId = biPOA.activate_object( bindingIterator );
- org.omg.CORBA.Object obj = biPOA.id_to_reference( objectId );
-
- // Get the object reference for the binding iterator servant
- org.omg.CosNaming.BindingIterator bindingRef =
- org.omg.CosNaming.BindingIteratorHelper.narrow( obj );
-
- bi.value = bindingRef;
- } catch (org.omg.CORBA.SystemException e) {
- throw e;
- } catch( Exception e ) {
- throw readWrapper.transNcListGotExc( e ) ;
- }
- }
-
- private synchronized void createbiPOA( ) {
- if( biPOA != null ) {
- return;
- }
- try {
- POA rootPOA = (POA) orb.resolve_initial_references(
- ORBConstants.ROOT_POA_NAME );
- rootPOA.the_POAManager().activate( );
-
- int i = 0;
- Policy[] poaPolicy = new Policy[3];
- poaPolicy[i++] = rootPOA.create_lifespan_policy(
- LifespanPolicyValue.TRANSIENT);
- poaPolicy[i++] = rootPOA.create_id_assignment_policy(
- IdAssignmentPolicyValue.SYSTEM_ID);
- poaPolicy[i++] = rootPOA.create_servant_retention_policy(
- ServantRetentionPolicyValue.RETAIN);
- biPOA = rootPOA.create_POA("BindingIteratorPOA", null, poaPolicy );
- biPOA.the_POAManager().activate( );
- } catch( Exception e ) {
- throw readWrapper.namingCtxBindingIteratorCreate( e ) ;
- }
- }
-
-
- /**
- * Create a NamingContext object and return its object reference.
- * @return an object reference for a new NamingContext object implemented
- * by this Name Server.
- * @exception org.omg.CORBA.SystemException One of a fixed set of CORBA system exceptions.
- */
- public NamingContext NewContext() throws SystemException
- {
- try {
- return theNameServiceHandle.NewContext( );
- } catch( org.omg.CORBA.SystemException e ) {
- throw e;
- } catch( Exception e ) {
- throw updateWrapper.transNcNewctxGotExc( e ) ;
- }
- }
-
-
- /**
- * Destroys the NamingContext.
- */
- public void Destroy() throws SystemException
- {
- // XXX note that orb.disconnect is illegal here, since the
- // POA is used. However, there may be some associated state
- // that needs to be cleaned up in ServerManagerImpl which we will
- // look into further at another time.
- /*
- // XXX This needs to be replaced by cleaning up the
- // file that backs up the naming context. No explicit
- // action is necessary at the POA level, since this is
- // created with the non-retain policy.
- /*
- try { orb.disconnect(
- theNameServiceHandle.getObjectReferenceFromKey( this.objKey ) );
- } catch( org.omg.CORBA.SystemException e ) {
- throw e;
- } catch( Exception e ) {
- throw updateWrapper.transNcDestroyGotEx( e ) ;
- }
- */
- }
-
- /**
- * This operation creates a stringified name from the array of Name
- * components.
- * @param n Name of the object
- * @exception org.omg.CosNaming.NamingContextExtPackage.InvalidName
- * Indicates the name does not identify a binding.
- */
- public String to_string(org.omg.CosNaming.NameComponent[] n)
- throws org.omg.CosNaming.NamingContextPackage.InvalidName
- {
- // Name valid?
- if ( (n == null ) || (n.length == 0) )
- {
- throw new org.omg.CosNaming.NamingContextPackage.InvalidName();
- }
-
- String theStringifiedName = getINSImpl().convertToString( n );
-
- if( theStringifiedName == null )
- {
- throw new org.omg.CosNaming.NamingContextPackage.InvalidName();
- }
-
- return theStringifiedName;
- }
-
- /**
- * This operation converts a Stringified Name into an equivalent array
- * of Name Components.
- * @param sn Stringified Name of the object
- * @exception org.omg.CosNaming.NamingContextExtPackage.InvalidName
- * Indicates the name does not identify a binding.
- */
- public org.omg.CosNaming.NameComponent[] to_name(String sn)
- throws org.omg.CosNaming.NamingContextPackage.InvalidName
- {
- // Name valid?
- if ( (sn == null ) || (sn.length() == 0) )
- {
- throw new org.omg.CosNaming.NamingContextPackage.InvalidName();
- }
- org.omg.CosNaming.NameComponent[] theNameComponents =
- getINSImpl().convertToNameComponent( sn );
- if( ( theNameComponents == null ) || (theNameComponents.length == 0 ) )
- {
- throw new org.omg.CosNaming.NamingContextPackage.InvalidName();
- }
- for( int i = 0; i < theNameComponents.length; i++ ) {
- // If there is a name component whose id and kind null or
- // zero length string, then an invalid name exception needs to be
- // raised.
- if ( ( ( theNameComponents[i].id == null )
- ||( theNameComponents[i].id.length() == 0 ) )
- &&( ( theNameComponents[i].kind == null )
- ||( theNameComponents[i].kind.length() == 0 ) ) ) {
- throw new InvalidName();
- }
- }
- return theNameComponents;
- }
-
- /**
- * This operation creates a URL based "iiopname://" format name
- * from the Stringified Name of the object.
- * @param addr internet based address of the host machine where
- * Name Service is running
- * @param sn Stringified Name of the object
- * @exception org.omg.CosNaming.NamingContextExtPackage.InvalidName
- * Indicates the name does not identify a binding.
- * @exception org.omg.CosNaming.NamingContextPackage.InvalidAddress
- * Indicates the internet based address of the host machine is
- * incorrect
- */
-
- public String to_url(String addr, String sn)
- throws org.omg.CosNaming.NamingContextExtPackage.InvalidAddress,
- org.omg.CosNaming.NamingContextPackage.InvalidName
- {
- // Name valid?
- if ( (sn == null ) || (sn.length() == 0) )
- {
- throw new org.omg.CosNaming.NamingContextPackage.InvalidName();
- }
- if( addr == null )
- {
- throw new org.omg.CosNaming.NamingContextExtPackage.InvalidAddress();
- }
- String urlBasedAddress = null;
- try {
- urlBasedAddress = getINSImpl().createURLBasedAddress( addr, sn );
- } catch (Exception e ) {
- urlBasedAddress = null;
- }
- // Extra check to see that corba name url created is valid as per
- // INS spec grammer.
- try {
- INSURLHandler.getINSURLHandler().parseURL( urlBasedAddress );
- } catch( BAD_PARAM e ) {
- throw new
- org.omg.CosNaming.NamingContextExtPackage.InvalidAddress();
- }
- return urlBasedAddress;
- }
-
- /**
- * This operation resolves the Stringified name into the object
- * reference.
- * @param sn Stringified Name of the object
- * @exception org.omg.CosNaming.NamingContextPackage.NotFound
- * Indicates there is no object reference for the given name.
- * @exception org.omg.CosNaming.NamingContextPackage.CannotProceed
- * Indicates that the given compound name is incorrect
- * @exception org.omg.CosNaming.NamingContextExtPackage.InvalidName
- * Indicates the name does not identify a binding.
- */
- public org.omg.CORBA.Object resolve_str(String sn)
- throws org.omg.CosNaming.NamingContextPackage.NotFound,
- org.omg.CosNaming.NamingContextPackage.CannotProceed,
- org.omg.CosNaming.NamingContextPackage.InvalidName
- {
- org.omg.CORBA.Object theObject = null;
- // Name valid?
- if ( (sn == null ) || (sn.length() == 0) )
- {
- throw new org.omg.CosNaming.NamingContextPackage.InvalidName();
- }
- org.omg.CosNaming.NameComponent[] theNameComponents =
- getINSImpl().convertToNameComponent( sn );
- if( ( theNameComponents == null ) || (theNameComponents.length == 0 ) )
- {
- throw new org.omg.CosNaming.NamingContextPackage.InvalidName();
- }
- theObject = resolve( theNameComponents );
- return theObject;
- }
-
- /**
- * This is a Debugging Method
- */
- public boolean IsEmpty()
- {
- return this.theHashtable.isEmpty();
- }
-
- /**
- * This is a Debugging Method
- */
- public void printSize( )
- {
- System.out.println( "Hashtable Size = " + theHashtable.size( ) );
- java.util.Enumeration e = theHashtable.keys( );
- for( ; e.hasMoreElements(); )
- {
- InternalBindingValue thevalue =
- (InternalBindingValue) this.theHashtable.get(e.nextElement());
- if( thevalue != null )
- {
- System.out.println( "value = " + thevalue.strObjectRef);
- }
- }
- }
-
-}