Java Code Examples for org.omg.CosNaming.NameComponent

/**
  * Method which converts the Stringified name into Array of Name Components.
  *
  * @param string which is the stringified name.
  * @return  Array of Name Components (Simple or Compound Names)
  */
public org.omg.CosNaming.NameComponent[] convertToNameComponent(
    String theStringifiedName )
    throws org.omg.CosNaming.NamingContextPackage.InvalidName
{
     String[] theStringifiedNameComponents =
              breakStringToNameComponents( theStringifiedName );
     if( ( theStringifiedNameComponents == null )
      || (theStringifiedNameComponents.length == 0 ) )
     {
         return null;
     }
     NameComponent[] theNameComponents =
         new NameComponent[theStringifiedNameComponents.length];
     for( int i = 0; i < theStringifiedNameComponents.length; i++ ) {
         theNameComponents[i] = createNameComponentFromString(
             theStringifiedNameComponents[i] );
     }
     return theNameComponents;
}
 

/**
* This operation creates a stringified name from the array of Name
* components.
* @param n Name of the object <p>
* @exception org.omg.CosNaming.NamingContextExtPackage.InvalidName
* Indicates the name does not identify a binding.<p>
*
*/
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 InvalidName();
    }
    NamingContextDataStore impl = (NamingContextDataStore)this;

    String theStringifiedName = insImpl.convertToString( n );

    if( theStringifiedName == null )
    {
            throw new InvalidName();
    }

    return theStringifiedName;
}
 

public static String nameToString(NameComponent[] name)
{
    StringBuffer s = new StringBuffer("{");
    if (name != null || name.length > 0) {
        for (int i=0;i<name.length;i++) {
            if (i>0)
                s.append(",");
            s.append("[").
                append(name[i].id).
                append(",").
                append(name[i].kind).
                append("]");
        }
    }
    s.append("}");
    return s.toString();
}
 

/**
 * This operation resolves the Stringified name into the object
 * reference.
 * @param sn Stringified Name of the object <p>
 * @exception org.omg.CosNaming.NamingContextPackage.NotFound
 * Indicates there is no object reference for the given name. <p>
 * @exception org.omg.CosNaming.NamingContextPackage.CannotProceed
 * Indicates that the given compound name is incorrect <p>
 * @exception org.omg.CosNaming.NamingContextExtPackage.InvalidName
 * Indicates the name does not identify a binding.<p>
 * @exception org.omg.CosNaming.NamingContextPackage.AlreadyBound
 * Indicates the name is already bound.<p>
 *
 */
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 InvalidName();
    }
    NamingContextDataStore impl = (NamingContextDataStore)this;
    org.omg.CosNaming.NameComponent[] theNameComponents =
            insImpl.convertToNameComponent( sn );

    if( ( theNameComponents == null ) || (theNameComponents.length == 0 ) )
    {
            throw new InvalidName();
    }
    theObject = resolve( theNameComponents );
    return theObject;
}
 

/**
 * Method which stringifies the Name Components given as the input
 * parameter.
 *
 * @param n Array of Name Components (Simple or Compound Names)
 * @return string which is the stringified reference.
 */
public String convertToString( org.omg.CosNaming.NameComponent[]
                               theNameComponents )
{
    String theConvertedString =
        convertNameComponentToString( theNameComponents[0] );
    String temp;
    for( int i = 1; i < theNameComponents.length; i++ ) {
        temp = convertNameComponentToString( theNameComponents[i] );
        if( temp != null ) {
             theConvertedString =
             theConvertedString + "/" +  convertNameComponentToString(
                 theNameComponents[i] );
        }
    }
    return theConvertedString;
}
 

/**
* This operation creates a stringified name from the array of Name
* components.
* @param n Name of the object <p>
* @exception org.omg.CosNaming.NamingContextExtPackage.InvalidName
* Indicates the name does not identify a binding.<p>
*
*/
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 InvalidName();
    }
    NamingContextDataStore impl = (NamingContextDataStore)this;

    String theStringifiedName = insImpl.convertToString( n );

    if( theStringifiedName == null )
    {
            throw new InvalidName();
    }

    return theStringifiedName;
}
 

/**
* Returns the next binding in the NamingContext. Uses the enumeration
* object to determine if there are more bindings and if so, returns
* the next binding from the InternalBindingValue.
* @param b The Binding as an out parameter.
* @return true if there were more bindings.
*/
 final public boolean NextOne(org.omg.CosNaming.BindingHolder b)
 {
     // If there are more elements get the next element
     boolean hasMore = theEnumeration.hasMoreElements();
     if (hasMore) {
         InternalBindingKey theBindingKey =
              ((InternalBindingKey)theEnumeration.nextElement());
         InternalBindingValue theElement =
             (InternalBindingValue)theHashtable.get( theBindingKey );
         NameComponent n = new NameComponent( theBindingKey.id, theBindingKey.kind );
         NameComponent[] nlist = new NameComponent[1];
         nlist[0] = n;
         BindingType theType = theElement.theBindingType;

         b.value =
             new Binding( nlist, theType );
     } else {
         // Return empty but marshalable binding
         b.value = new Binding(new NameComponent[0],BindingType.nobject);
     }
     return hasMore;
 }
 

/**
 * Deletes the binding with the supplied name. It creates a
 * InternalBindingKey and uses it to remove the value associated
 * with the key. If nothing is found an exception is thrown, otherwise
 * the element is removed from the hash table.
 * @param n a NameComponent which is the name to unbind
 * @return the object reference bound to the name, or null if not found.
 * @exception org.omg.CORBA.SystemException One of a fixed set of CORBA
 * system exceptions.
 */
public final org.omg.CORBA.Object Unbind(NameComponent n)
    throws org.omg.CORBA.SystemException
{
    // Create a key and remove it from the hashtable
    InternalBindingKey key = new InternalBindingKey(n);
    InternalBindingValue value =
        (InternalBindingValue)this.theHashtable.remove(key);

    // Return what was found
    if (value == null) {
        if( updateLogger.isLoggable( Level.FINE ) ) {
            updateLogger.fine( LogKeywords.NAMING_UNBIND_FAILURE +
                " There was no binding with the name " + getName( n ) +
                " to Unbind " );
        }
        return null;
    } else {
        if( updateLogger.isLoggable( Level.FINE ) ) {
            updateLogger.fine( LogKeywords.NAMING_UNBIND_SUCCESS +
                " NameComponent:  " + getName( n ) );
        }
        return value.theObjectRef;
   }
}
 

/**
* This operation creates a stringified name from the array of Name
* components.
* @param n Name of the object <p>
* @exception org.omg.CosNaming.NamingContextExtPackage.InvalidName
* Indicates the name does not identify a binding.<p>
*
*/
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 InvalidName();
    }
    NamingContextDataStore impl = (NamingContextDataStore)this;

    String theStringifiedName = insImpl.convertToString( n );

    if( theStringifiedName == null )
    {
            throw new InvalidName();
    }

    return theStringifiedName;
}
 

/**
 * This operation resolves the Stringified name into the object
 * reference.
 * @param sn Stringified Name of the object <p>
 * @exception org.omg.CosNaming.NamingContextPackage.NotFound
 * Indicates there is no object reference for the given name. <p>
 * @exception org.omg.CosNaming.NamingContextPackage.CannotProceed
 * Indicates that the given compound name is incorrect <p>
 * @exception org.omg.CosNaming.NamingContextExtPackage.InvalidName
 * Indicates the name does not identify a binding.<p>
 * @exception org.omg.CosNaming.NamingContextPackage.AlreadyBound
 * Indicates the name is already bound.<p>
 *
 */
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 InvalidName();
    }
    NamingContextDataStore impl = (NamingContextDataStore)this;
    org.omg.CosNaming.NameComponent[] theNameComponents =
            insImpl.convertToNameComponent( sn );

    if( ( theNameComponents == null ) || (theNameComponents.length == 0 ) )
    {
            throw new InvalidName();
    }
    theObject = resolve( theNameComponents );
    return theObject;
}
 

/**
 * Binds the object to the name component as the specified binding type.
 * It creates a InternalBindingKey object and a InternalBindingValue
 * object and inserts them in the hash table.
 * @param n A single org.omg.CosNaming::NameComponent under which the
 * object will be bound.
 * @param obj An object reference to be bound under the supplied name.
 * @param bt The type of the binding (i.e., as object or as context).
 * @exception org.omg.CORBA.SystemException One of a fixed set of CORBA
 * system exceptions.
 */
public final void Bind(NameComponent n, org.omg.CORBA.Object obj,
                       BindingType bt)
    throws org.omg.CORBA.SystemException
{
    // Create a key and a value
    InternalBindingKey key = new InternalBindingKey(n);
    NameComponent[] name = new NameComponent[1];
    name[0] = n;
    Binding b = new Binding(name,bt);
    InternalBindingValue value = new InternalBindingValue(b,null);
    value.theObjectRef = obj;
    // insert it
    InternalBindingValue oldValue =
        (InternalBindingValue)this.theHashtable.put(key,value);

    if (oldValue != null) {
        updateLogger.warning( LogKeywords.NAMING_BIND + "Name " +
            getName( n ) + " Was Already Bound" );
        throw wrapper.transNcBindAlreadyBound() ;
    }
    if( updateLogger.isLoggable( Level.FINE ) ) {
        updateLogger.fine( LogKeywords.NAMING_BIND_SUCCESS +
            "Name Component: " + n.id + "." + n.kind );
    }
}
 

/**
 * Deletes the binding with the supplied name. It creates a
 * InternalBindingKey and uses it to remove the value associated
 * with the key. If nothing is found an exception is thrown, otherwise
 * the element is removed from the hash table.
 * @param n a NameComponent which is the name to unbind
 * @return the object reference bound to the name, or null if not found.
 * @exception org.omg.CORBA.SystemException One of a fixed set of CORBA
 * system exceptions.
 */
public final org.omg.CORBA.Object Unbind(NameComponent n)
    throws org.omg.CORBA.SystemException
{
    // Create a key and remove it from the hashtable
    InternalBindingKey key = new InternalBindingKey(n);
    InternalBindingValue value =
        (InternalBindingValue)this.theHashtable.remove(key);

    // Return what was found
    if (value == null) {
        if( updateLogger.isLoggable( Level.FINE ) ) {
            updateLogger.fine( LogKeywords.NAMING_UNBIND_FAILURE +
                " There was no binding with the name " + getName( n ) +
                " to Unbind " );
        }
        return null;
    } else {
        if( updateLogger.isLoggable( Level.FINE ) ) {
            updateLogger.fine( LogKeywords.NAMING_UNBIND_SUCCESS +
                " NameComponent:  " + getName( n ) );
        }
        return value.theObjectRef;
   }
}
 

public static String nameToString(NameComponent[] name)
{
    StringBuffer s = new StringBuffer("{");
    if (name != null || name.length > 0) {
        for (int i=0;i<name.length;i++) {
            if (i>0)
                s.append(",");
            s.append("[").
                append(name[i].id).
                append(",").
                append(name[i].kind).
                append("]");
        }
    }
    s.append("}");
    return s.toString();
}
 

/**
 * Binds the object to the name component as the specified binding type.
 * It creates a InternalBindingKey object and a InternalBindingValue
 * object and inserts them in the hash table.
 * @param n A single org.omg.CosNaming::NameComponent under which the
 * object will be bound.
 * @param obj An object reference to be bound under the supplied name.
 * @param bt The type of the binding (i.e., as object or as context).
 * @exception org.omg.CORBA.SystemException One of a fixed set of CORBA
 * system exceptions.
 */
public final void Bind(NameComponent n, org.omg.CORBA.Object obj,
                       BindingType bt)
    throws org.omg.CORBA.SystemException
{
    // Create a key and a value
    InternalBindingKey key = new InternalBindingKey(n);
    NameComponent[] name = new NameComponent[1];
    name[0] = n;
    Binding b = new Binding(name,bt);
    InternalBindingValue value = new InternalBindingValue(b,null);
    value.theObjectRef = obj;
    // insert it
    InternalBindingValue oldValue =
        (InternalBindingValue)this.theHashtable.put(key,value);

    if (oldValue != null) {
        updateLogger.warning( LogKeywords.NAMING_BIND + "Name " +
            getName( n ) + " Was Already Bound" );
        throw wrapper.transNcBindAlreadyBound() ;
    }
    if( updateLogger.isLoggable( Level.FINE ) ) {
        updateLogger.fine( LogKeywords.NAMING_BIND_SUCCESS +
            "Name Component: " + n.id + "." + n.kind );
    }
}
 

/**
* Returns the next binding in the NamingContext. Uses the enumeration
* object to determine if there are more bindings and if so, returns
* the next binding from the InternalBindingValue.
* @param b The Binding as an out parameter.
* @return true if there were more bindings.
*/
 final public boolean NextOne(org.omg.CosNaming.BindingHolder b)
 {
     // If there are more elements get the next element
     boolean hasMore = theEnumeration.hasMoreElements();
     if (hasMore) {
         InternalBindingKey theBindingKey =
              ((InternalBindingKey)theEnumeration.nextElement());
         InternalBindingValue theElement =
             (InternalBindingValue)theHashtable.get( theBindingKey );
         NameComponent n = new NameComponent( theBindingKey.id, theBindingKey.kind );
         NameComponent[] nlist = new NameComponent[1];
         nlist[0] = n;
         BindingType theType = theElement.theBindingType;

         b.value =
             new Binding( nlist, theType );
     } else {
         // Return empty but marshalable binding
         b.value = new Binding(new NameComponent[0],BindingType.nobject);
     }
     return hasMore;
 }
 

/**
* Returns the next binding in the NamingContext. Uses the enumeration
* object to determine if there are more bindings and if so, returns
* the next binding from the InternalBindingValue.
* @param b The Binding as an out parameter.
* @return true if there were more bindings.
*/
 final public boolean NextOne(org.omg.CosNaming.BindingHolder b)
 {
     // If there are more elements get the next element
     boolean hasMore = theEnumeration.hasMoreElements();
     if (hasMore) {
         InternalBindingKey theBindingKey =
              ((InternalBindingKey)theEnumeration.nextElement());
         InternalBindingValue theElement =
             (InternalBindingValue)theHashtable.get( theBindingKey );
         NameComponent n = new NameComponent( theBindingKey.id, theBindingKey.kind );
         NameComponent[] nlist = new NameComponent[1];
         nlist[0] = n;
         BindingType theType = theElement.theBindingType;

         b.value =
             new Binding( nlist, theType );
     } else {
         // Return empty but marshalable binding
         b.value = new Binding(new NameComponent[0],BindingType.nobject);
     }
     return hasMore;
 }
 

/**
 * Deletes the binding with the supplied name. It creates a
 * InternalBindingKey and uses it to remove the value associated
 * with the key. If nothing is found an exception is thrown, otherwise
 * the element is removed from the hash table.
 * @param n a NameComponent which is the name to unbind
 * @return the object reference bound to the name, or null if not found.
 * @exception org.omg.CORBA.SystemException One of a fixed set of CORBA
 * system exceptions.
 */
public final org.omg.CORBA.Object Unbind(NameComponent n)
    throws org.omg.CORBA.SystemException
{
    // Create a key and remove it from the hashtable
    InternalBindingKey key = new InternalBindingKey(n);
    InternalBindingValue value =
        (InternalBindingValue)this.theHashtable.remove(key);

    // Return what was found
    if (value == null) {
        if( updateLogger.isLoggable( Level.FINE ) ) {
            updateLogger.fine( LogKeywords.NAMING_UNBIND_FAILURE +
                " There was no binding with the name " + getName( n ) +
                " to Unbind " );
        }
        return null;
    } else {
        if( updateLogger.isLoggable( Level.FINE ) ) {
            updateLogger.fine( LogKeywords.NAMING_UNBIND_SUCCESS +
                " NameComponent:  " + getName( n ) );
        }
        return value.theObjectRef;
   }
}
 

/**
 * Returns the INS stringified form of a NameComponent[].
 * Used by CNCtx.getNameInNamespace(), CNCompoundName.toString().
 */
static String cosNameToInsString(NameComponent[] cname) {
  StringBuffer str = new StringBuffer();
  for ( int i = 0; i < cname.length; i++) {
      if ( i > 0) {
          str.append(compSeparator);
      }
      str.append(stringifyComponent(cname[i]));
  }
  return str.toString();
}
 

/**
* Returns the next binding in the NamingContext. Uses the enumeration
* object to determine if there are more bindings and if so, returns
* the next binding from the InternalBindingValue.
* @param b The Binding as an out parameter.
* @return true if there were more bindings.
*/
 final public boolean NextOne(org.omg.CosNaming.BindingHolder b)
 {
     // If there are more elements get the next element
     boolean hasMore = theEnumeration.hasMoreElements();
     if (hasMore) {
         b.value =
             ((InternalBindingValue)theEnumeration.nextElement()).theBinding;
         currentSize--;
     } else {
         // Return empty but marshalable binding
         b.value = new Binding(new NameComponent[0],BindingType.nobject);
     }
     return hasMore;
 }
 

/**
* Returns the next binding in the NamingContext. Uses the enumeration
* object to determine if there are more bindings and if so, returns
* the next binding from the InternalBindingValue.
* @param b The Binding as an out parameter.
* @return true if there were more bindings.
*/
 final public boolean NextOne(org.omg.CosNaming.BindingHolder b)
 {
     // If there are more elements get the next element
     boolean hasMore = theEnumeration.hasMoreElements();
     if (hasMore) {
         b.value =
             ((InternalBindingValue)theEnumeration.nextElement()).theBinding;
         currentSize--;
     } else {
         // Return empty but marshalable binding
         b.value = new Binding(new NameComponent[0],BindingType.nobject);
     }
     return hasMore;
 }
 

/**
 * 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;
}
 

private static String stringifyComponent(NameComponent comp) {
    StringBuffer one = new StringBuffer(escape(comp.id));
    if (comp.kind != null && !comp.kind.equals("")) {
        one.append(kindSeparator + escape(comp.kind));
    }
    if (one.length() == 0) {
        return ""+kindSeparator;  // if neither id nor kind specified
    } else {
        return one.toString();
    }
}
 

/**
* 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 NotFound(NotFoundReason.missing_node,n);
         }
     }

     // Was it bound as a context?
     if (bth.value != BindingType.ncontext) {
         // It was not a context
         throw new 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 NotFound(NotFoundReason.not_context,n);
     }

     // Hmm. must be ok
     return context;
 }
 

/**
* This operation  converts a Stringified Name into an  equivalent array
* of Name Components.
* @param sn Stringified Name of the object <p>
* @exception org.omg.CosNaming.NamingContextExtPackage.InvalidName
* Indicates the name does not identify a binding.<p>
*
*/
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 InvalidName();
    }
    NamingContextDataStore impl = (NamingContextDataStore)this;
    org.omg.CosNaming.NameComponent[] theNameComponents =
            insImpl.convertToNameComponent( sn );
    if( ( theNameComponents == null ) || (theNameComponents.length == 0 ) )
    {
            throw new 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;
}
 

/**
 * A utility method that takes Array of NameComponent and converts
 * into a directory structured name in the format of /id1.kind1/id2.kind2..
 * This is used mainly for Logging.
 */
static String getDirectoryStructuredName( NameComponent[] name ) {
    StringBuffer directoryStructuredName = new StringBuffer("/");
    for( int i = 0; i < name.length; i++ ) {
        directoryStructuredName.append( name[i].id + "." + name[i].kind );
    }
    return directoryStructuredName.toString( );
}
 

/**
* 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 NotFound(NotFoundReason.missing_node,n);
         }
     }

     // Was it bound as a context?
     if (bth.value != BindingType.ncontext) {
         // It was not a context
         throw new 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 NotFound(NotFoundReason.not_context,n);
     }

     // Hmm. must be ok
     return context;
 }
 

/**
* This operation  converts a Stringified Name into an  equivalent array
* of Name Components.
* @param sn Stringified Name of the object <p>
* @exception org.omg.CosNaming.NamingContextExtPackage.InvalidName
* Indicates the name does not identify a binding.<p>
*
*/
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 InvalidName();
    }
    NamingContextDataStore impl = (NamingContextDataStore)this;
    org.omg.CosNaming.NameComponent[] theNameComponents =
            insImpl.convertToNameComponent( sn );
    if( ( theNameComponents == null ) || (theNameComponents.length == 0 ) )
    {
            throw new 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;
}
 

/**
 * 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 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_context(NameComponent[] n, NamingContext nc)
    throws org.omg.CosNaming.NamingContextPackage.NotFound,
           org.omg.CosNaming.NamingContextPackage.CannotProceed,
           org.omg.CosNaming.NamingContextPackage.InvalidName
{
    if( nc == null )
    {
        updateLogger.warning( LogKeywords.NAMING_REBIND_FAILURE +
            " NULL Context cannot be Bound " );
        throw wrapper.objectIsNull() ;
    }
    try {
        // 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
        updateLogger.warning( LogKeywords.NAMING_REBIND_FAILURE +
            NamingUtils.getDirectoryStructuredName( n ) +
            " is already bound to a CORBA Object" );
        throw wrapper.namingCtxRebindctxAlreadyBound( ex ) ;
    }
    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_REBIND_SUCCESS + " Name = " +
            NamingUtils.getDirectoryStructuredName( n ) );
    }
}
 

/**
 * Returns the INS stringified form of a NameComponent[].
 * Used by CNCtx.getNameInNamespace(), CNCompoundName.toString().
 */
static String cosNameToInsString(NameComponent[] cname) {
  StringBuffer str = new StringBuffer();
  for ( int i = 0; i < cname.length; i++) {
      if ( i > 0) {
          str.append(compSeparator);
      }
      str.append(stringifyComponent(cname[i]));
  }
  return str.toString();
}
 

/**
 * A utility method that takes Array of NameComponent and converts
 * into a directory structured name in the format of /id1.kind1/id2.kind2..
 * This is used mainly for Logging.
 */
static String getDirectoryStructuredName( NameComponent[] name ) {
    StringBuffer directoryStructuredName = new StringBuffer("/");
    for( int i = 0; i < name.length; i++ ) {
        directoryStructuredName.append( name[i].id + "." + name[i].kind );
    }
    return directoryStructuredName.toString( );
}