org.omg.CORBA.Object Java Examples

/**
 * Constructs a new TransientNamingContext object.
 * @param orb an orb object.
 * @param initial the initial naming context.
 * @exception Exception a Java exception thrown of the base class cannot
 * initialize.
 */
public TransientNamingContext(com.sun.corba.se.spi.orb.ORB orb,
    org.omg.CORBA.Object initial,
    POA nsPOA )
    throws java.lang.Exception
{
    super(orb, nsPOA );
    wrapper = NamingSystemException.get( orb, CORBALogDomains.NAMING ) ;

    this.localRoot = initial;
    readLogger = orb.getLogger( CORBALogDomains.NAMING_READ);
    updateLogger = orb.getLogger( CORBALogDomains.NAMING_UPDATE);
    lifecycleLogger = orb.getLogger(
        CORBALogDomains.NAMING_LIFECYCLE);
    lifecycleLogger.fine( "Root TransientNamingContext LIFECYCLE.CREATED" );
}
 

/**
 * 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>
 *
 */
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;
}
 

public void write_Object(org.omg.CORBA.Object ref)
{
    if (ref == null) {
        IOR nullIOR = IORFactories.makeIOR( orb ) ;
        nullIOR.write(parent);
        return;
    }

    // IDL to Java formal 01-06-06 1.21.4.2
    if (ref instanceof org.omg.CORBA.LocalObject)
        throw wrapper.writeLocalObject(CompletionStatus.COMPLETED_MAYBE);

    IOR ior = ORBUtility.connectAndGetIOR( orb, ref ) ;
    ior.write(parent);
    return;
}
 

/**
 * The actual object on which the operation will be invoked.  If the
 * reply_status is LOCATION_FORWARD, then on subsequent requests,
 * effective_target will contain the forwarded IOR while target will
 * remain unchanged.
 */
public org.omg.CORBA.Object effective_target() {
    // access is currently valid for all states:
    //checkAccess( MID_EFFECTIVE_TARGET );

    // Note: This is not necessarily the same as locatedIOR.
    // Reason: See the way we handle COMM_FAILURES in
    // ClientRequestDispatcher.createRequest, v1.32

    if (cachedEffectiveTargetObject == null) {
        CorbaContactInfo corbaContactInfo = (CorbaContactInfo)
            messageMediator.getContactInfo();
        // REVISIT - get through chain like getLocatedIOR helper below.
        cachedEffectiveTargetObject =
            iorToObject(corbaContactInfo.getEffectiveTargetIOR());
    }
    return cachedEffectiveTargetObject;
}
 

/**
 * See RequestInfoImpl for javadoc.
 */
public Object forward_reference (){
    checkAccess( MID_FORWARD_REFERENCE );
    // Check to make sure we are in LOCATION_FORWARD
    // state as per ptc/00-08-06, table 21-1
    // footnote 2.
    if( replyStatus != LOCATION_FORWARD.value ) {
        throw stdWrapper.invalidPiCall1() ;
    }

    // Do not cache this value since if an interceptor raises
    // forward request then the next interceptor in the
    // list should see the new value.
    IOR ior = getLocatedIOR();
    return iorToObject(ior);
}
 

/**
 * 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 );
    }
}
 

/**
 * 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;
}
 

/**
 * See RequestInfoImpl for javadoc.
 */
public Object forward_reference (){
    checkAccess( MID_FORWARD_REFERENCE );
    // Check to make sure we are in LOCATION_FORWARD
    // state as per ptc/00-08-06, table 21-1
    // footnote 2.
    if( replyStatus != LOCATION_FORWARD.value ) {
        throw stdWrapper.invalidPiCall1() ;
    }

    // Do not cache this value since if an interceptor raises
    // forward request then the next interceptor in the
    // list should see the new value.
    IOR ior = getLocatedIOR();
    return iorToObject(ior);
}
 

/**
 * Constructs a new TransientNamingContext object.
 * @param orb an orb object.
 * @param initial the initial naming context.
 * @exception Exception a Java exception thrown of the base class cannot
 * initialize.
 */
public TransientNamingContext(com.sun.corba.se.spi.orb.ORB orb,
    org.omg.CORBA.Object initial,
    POA nsPOA )
    throws java.lang.Exception
{
    super(orb, nsPOA );
    wrapper = NamingSystemException.get( orb, CORBALogDomains.NAMING ) ;

    this.localRoot = initial;
    readLogger = orb.getLogger( CORBALogDomains.NAMING_READ);
    updateLogger = orb.getLogger( CORBALogDomains.NAMING_UPDATE);
    lifecycleLogger = orb.getLogger(
        CORBALogDomains.NAMING_LIFECYCLE);
    lifecycleLogger.fine( "Root TransientNamingContext LIFECYCLE.CREATED" );
}
 

/**
 * 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 void write_Object(org.omg.CORBA.Object ref)
{
    if (ref == null) {
        IOR nullIOR = IORFactories.makeIOR( orb ) ;
        nullIOR.write(parent);
        return;
    }

    // IDL to Java formal 01-06-06 1.21.4.2
    if (ref instanceof org.omg.CORBA.LocalObject)
        throw wrapper.writeLocalObject(CompletionStatus.COMPLETED_MAYBE);

    IOR ior = ORBUtility.connectAndGetIOR( orb, ref ) ;
    ior.write(parent);
    return;
}
 

/**
 * Returns true if the servant is the given RepositoryId, false if it is
 * not.
 */
public boolean target_is_a (String id) {
    checkAccess( MID_TARGET_IS_A );

    boolean result = false ;
    if( servant instanceof Servant ) {
        result = ((Servant)servant)._is_a( id );
    } else if (StubAdapter.isStub( servant )) {
        result = ((org.omg.CORBA.Object)servant)._is_a( id );
    } else {
        throw wrapper.servantInvalid() ;
    }

    return result;
}
 

private java.lang.Object readIDLValue(int indirection, String repId,
                                      Class clazz, String codebase)
{
    ValueFactory factory ;

    // Always try to find a ValueFactory first, as required by the spec.
    // There are some complications here in the IDL 3.0 mapping (see 1.13.8),
    // but basically we must always be able to override the DefaultFactory
    // or Helper mappings that are also used.  This appears to be the case
    // even in the boxed value cases.  The original code only did the lookup
    // in the case of class implementing either StreamableValue or CustomValue,
    // but abstract valuetypes only implement ValueBase, and really require
    // the use of the repId to find a factory (including the DefaultFactory).
    try {
        // use new-style OBV support (factory object)
        factory = Utility.getFactory(clazz, codebase, orb, repId);
    } catch (MARSHAL marshal) {
        // XXX log marshal at one of the INFO levels

        // Could not get a factory, so try alternatives
        if (!StreamableValue.class.isAssignableFrom(clazz) &&
            !CustomValue.class.isAssignableFrom(clazz) &&
            ValueBase.class.isAssignableFrom(clazz)) {
            // use old-style OBV support (helper object)
            BoxedValueHelper helper = Utility.getHelper(clazz, codebase, repId);
            if (helper instanceof ValueHelper)
                return readIDLValueWithHelper((ValueHelper)helper, indirection);
            else
                return helper.read_value(parent);
        } else {
            // must be a boxed IDLEntity, so make a reflective call to the
            // helper's static read method...
            return readBoxedIDLEntity(clazz, codebase);
        }
    }

    // If there was no error in getting the factory, use it.
    valueIndirection = indirection;  // for callback
    return factory.read_value(parent);
}
 

public void restoreInternalState(java.lang.Object streamMemento) {

        StreamMemento mem = (StreamMemento)streamMemento;

        blockLength = mem.blockLength_;
        end_flag = mem.end_flag_;
        chunkedValueNestingLevel = mem.chunkedValueNestingLevel_;
        valueIndirection = mem.valueIndirection_;
        stringIndirection = mem.stringIndirection_;
        isChunked = mem.isChunked_;
        valueHandler = mem.valueHandler_;
        specialNoOptionalDataState = mem.specialNoOptionalDataState_;
        bbwi = mem.bbwi_;
    }
 

/**
 * Returns true if the servant is the given RepositoryId, false if it is
 * not.
 */
public boolean target_is_a (String id) {
    checkAccess( MID_TARGET_IS_A );

    boolean result = false ;
    if( servant instanceof Servant ) {
        result = ((Servant)servant)._is_a( id );
    } else if (StubAdapter.isStub( servant )) {
        result = ((org.omg.CORBA.Object)servant)._is_a( id );
    } else {
        throw wrapper.servantInvalid() ;
    }

    return result;
}
 

public java.lang.Object read_abstract_interface(java.lang.Class clz)
{
    boolean object = read_boolean();

    if (object) {
        return read_Object(clz);
    } else {
        return read_value();
    }
}
 

/**
* 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);
     }
 }
 

/**
 * See ServerRequestInfo for javadocs.
 */
public Object forward_reference (){
    checkAccess( MID_FORWARD_REFERENCE );
    // Check to make sure we are in LOCATION_FORWARD
    // state as per ptc/00-08-06, table 21-2
    // footnote 2.
    if( replyStatus != LOCATION_FORWARD.value ) {
        throw stdWrapper.invalidPiCall1() ;
    }

    return getForwardRequestException().forward;
}
 

public void write_abstract_interface(java.lang.Object obj) {
    boolean corbaObject = false; // Assume value type.
    org.omg.CORBA.Object theObject = null;

    // Is it a CORBA.Object?

    if (obj != null && obj instanceof org.omg.CORBA.Object) {

        // Yes.

        theObject = (org.omg.CORBA.Object)obj;
        corbaObject = true;
    }

    // Write our flag...

    write_boolean(corbaObject);

    // Now write out the object...

    if (corbaObject) {
        write_Object(theObject);
    } else {
        try {
            write_value((java.io.Serializable)obj);
        } catch(ClassCastException cce) {
            if (obj instanceof java.io.Serializable)
                throw cce;
            else
                ORBUtility.throwNotSerializableForCorba(obj.getClass().getName());
        }
    }
}
 

/**
 * Stores the various sources of information used for this info object.
 */
protected void setInfo( java.lang.Object servant,
                        String targetMostDerivedInterface )
{
    this.servant = servant;
    this.targetMostDerivedInterface = targetMostDerivedInterface;
    this.isDynamic =
        (servant instanceof
        org.omg.PortableServer.DynamicImplementation) ||
        (servant instanceof org.omg.CORBA.DynamicImplementation);
}
 

/**
 * Retrieves the ForwardRequest object as a ForwardRequest exception.
 */
protected ForwardRequest getForwardRequestException() {
    if( this.forwardRequest == null ) {
        if( this.forwardRequestIOR != null ) {
            // Convert the internal IOR to a forward request exception
            // by creating an object reference.
            org.omg.CORBA.Object obj = iorToObject(this.forwardRequestIOR);
            this.forwardRequest = new ForwardRequest( obj );
        }
    }

    return this.forwardRequest;
}
 

/**
 * The object which the client called to perform the operation.
 */
public org.omg.CORBA.Object target (){
    // access is currently valid for all states:
    //checkAccess( MID_TARGET );
    if (cachedTargetObject == null) {
        CorbaContactInfo corbaContactInfo = (CorbaContactInfo)
            messageMediator.getContactInfo();
        cachedTargetObject =
            iorToObject(corbaContactInfo.getTargetIOR());
    }
    return cachedTargetObject;
}
 

/**
 * See ServerRequestInfo for javadocs.
 */
public Object forward_reference (){
    checkAccess( MID_FORWARD_REFERENCE );
    // Check to make sure we are in LOCATION_FORWARD
    // state as per ptc/00-08-06, table 21-2
    // footnote 2.
    if( replyStatus != LOCATION_FORWARD.value ) {
        throw stdWrapper.invalidPiCall1() ;
    }

    return getForwardRequestException().forward;
}
 

/**
 * 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 )
    {
        updateLogger.warning( LogKeywords.NAMING_REBIND_FAILURE +
            " NULL Object cannot be Bound " );
        throw wrapper.objectIsNull() ;
    }
    try {
        // 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) {
        updateLogger.warning( LogKeywords.NAMING_REBIND_FAILURE +
            NamingUtils.getDirectoryStructuredName( n ) +
            " is already bound to a Naming Context" );
        // This should not happen
        throw wrapper.namingCtxRebindAlreadyBound( 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 ) );
    }
}
 

/**
* 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;
 }
 

/**
* 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 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 void write_abstract_interface(java.lang.Object obj) {
    boolean corbaObject = false; // Assume value type.
    org.omg.CORBA.Object theObject = null;

    // Is it a CORBA.Object?

    if (obj != null && obj instanceof org.omg.CORBA.Object) {

        // Yes.

        theObject = (org.omg.CORBA.Object)obj;
        corbaObject = true;
    }

    // Write our flag...

    write_boolean(corbaObject);

    // Now write out the object...

    if (corbaObject) {
        write_Object(theObject);
    } else {
        try {
            write_value((java.io.Serializable)obj);
        } catch(ClassCastException cce) {
            if (obj instanceof java.io.Serializable)
                throw cce;
            else
                ORBUtility.throwNotSerializableForCorba(obj.getClass().getName());
        }
    }
}