Java Code Examples for com.sun.corba.se.spi.presentation.rmi.StubAdapter#isStub()

/** Obtains an IOR for the object reference obj, first connecting it to
* the ORB if necessary.
* @return IOR the IOR that represents this objref.  This will
* never be null.
* @exception BAD_OPERATION if the object could not be connected,
* if a connection attempt was needed.
* @exception BAD_PARAM if obj is a local object, or else was
* created by a foreign ORB.
*/
public static IOR connectAndGetIOR( ORB orb, org.omg.CORBA.Object obj )
{
    IOR result ;
    try {
        result = getIOR( obj ) ;
    } catch (BAD_OPERATION bop) {
        if (StubAdapter.isStub(obj)) {
            try {
                StubAdapter.connect( obj, orb ) ;
            } catch (java.rmi.RemoteException exc) {
                throw wrapper.connectingServant( exc ) ;
            }
        } else {
            orb.connect( obj ) ;
        }

        result = getIOR( obj ) ;
    }

    return result ;
}
 

/**
 * Deregisters a server object from the runtime, allowing the object to become
 * available for garbage collection.
 * @param obj the object to unexport.
 * @exception NoSuchObjectException if the remote object is not
 * currently exported.
 */
public void unexportObject(Remote obj)
    throws NoSuchObjectException {

    if (obj == null) {
        throw new NullPointerException("invalid argument");
    }

    if (StubAdapter.isStub(obj) ||
        obj instanceof java.rmi.server.RemoteStub) {
        throw new NoSuchObjectException(
            "Can only unexport a server object.");
    }

    Tie theTie = Util.getTie(obj);
    if (theTie != null) {
        Util.unexportObject(obj);
    } else {
        if (Utility.loadTie(obj) == null) {
            UnicastRemoteObject.unexportObject(obj,true);
        } else {
            throw new NoSuchObjectException("Object not exported.");
        }
    }
}
 

/** Obtains an IOR for the object reference obj, first connecting it to
* the ORB if necessary.
* @return IOR the IOR that represents this objref.  This will
* never be null.
* @exception BAD_OPERATION if the object could not be connected,
* if a connection attempt was needed.
* @exception BAD_PARAM if obj is a local object, or else was
* created by a foreign ORB.
*/
public static IOR connectAndGetIOR( ORB orb, org.omg.CORBA.Object obj )
{
    IOR result ;
    try {
        result = getIOR( obj ) ;
    } catch (BAD_OPERATION bop) {
        if (StubAdapter.isStub(obj)) {
            try {
                StubAdapter.connect( obj, orb ) ;
            } catch (java.rmi.RemoteException exc) {
                throw wrapper.connectingServant( exc ) ;
            }
        } else {
            orb.connect( obj ) ;
        }

        result = getIOR( obj ) ;
    }

    return result ;
}
 

/**
 * See the description of the <a href="#anyOps">general Any operations.</a>
 */
public void insert_Object(org.omg.CORBA.Object o)
{
    //debug.log ("insert_Object");
    if ( o == null ) {
        typeCode = orb.get_primitive_tc(TCKind._tk_objref);
    } else {
        if (StubAdapter.isStub(o)) {
            String[] ids = StubAdapter.getTypeIds( o ) ;
            typeCode = new TypeCodeImpl(orb, TCKind._tk_objref, ids[0], "");
        } else {
            throw wrapper.badInsertobjParam(
                CompletionStatus.COMPLETED_MAYBE, o.getClass().getName() ) ;
        }
    }

    object = o;
    isInitialized = true;
}
 

/**
 * Connect the Stub to the ORB.
 */
protected final Object resolveObject(Object obj) throws IOException {
    try {
        if (StubAdapter.isStub(obj)) {
            StubAdapter.connect(obj, orb);
        }
    } catch (java.rmi.RemoteException re) {
        IOException ie = new IOException("resolveObject failed");
        ie.initCause(re);
        throw ie;
    }
    return obj;
}
 

/**
 * 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;
}
 

/**
 * Connect the Stub to the ORB.
 */
protected final Object resolveObject(Object obj) throws IOException {
    try {
        if (StubAdapter.isStub(obj)) {
            StubAdapter.connect(obj, orb);
        }
    } catch (java.rmi.RemoteException re) {
        IOException ie = new IOException("resolveObject failed");
        ie.initCause(re);
        throw ie;
    }
    return obj;
}
 

/**
 * 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;
}
 

/**
 * Connect the Stub to the ORB.
 */
protected final Object resolveObject(Object obj) throws IOException {
    try {
        if (StubAdapter.isStub(obj)) {
            StubAdapter.connect(obj, orb);
        }
    } catch (java.rmi.RemoteException re) {
        IOException ie = new IOException("resolveObject failed");
        ie.initCause(re);
        throw ie;
    }
    return obj;
}
 

/**
 * Checks for objects that are instances of java.rmi.Remote
 * that need to be serialized as proxy (Stub) objects.
 */
protected final Object replaceObject(Object obj) throws IOException {
    try {
        if ((obj instanceof java.rmi.Remote) &&
                !(StubAdapter.isStub(obj))) {
            return Utility.autoConnect(obj, orb, true);
        }
    } catch (Exception e) {
        IOException ie = new IOException("replaceObject failed");
        ie.initCause(e);
        throw ie;
    }
    return obj;
}
 

/**
 * If this operation is called with an id, <code>"Y"</code>, and an
 * object, <code>YY</code>, then a subsequent call to
 * <code>ORB.resolve_initial_references( "Y" )</code> will
 * return object <code>YY</code>.
 *
 * @param id The ID by which the initial reference will be known.
 * @param obj The initial reference itself.
 * @throws InvalidName if this operation is called with an empty string id
 *     or this operation is called with an id that is already registered,
 *     including the default names defined by OMG.
 * @throws BAD_PARAM if the obj parameter is null.
 */
public void register_initial_reference(
    String id, org.omg.CORBA.Object obj ) throws InvalidName
{
    CorbaServerRequestDispatcher insnd ;

    synchronized (this) {
        checkShutdownState();
    }

    if ((id == null) || (id.length() == 0))
        throw new InvalidName() ;

    synchronized (this) {
        checkShutdownState();
    }

    synchronized (resolverLock) {
        insnd = insNamingDelegate ;

        java.lang.Object obj2 = localResolver.resolve( id ) ;
        if (obj2 != null)
            throw new InvalidName(id + " already registered") ;

        localResolver.register( id, ClosureFactory.makeConstant( obj )) ;
    }

    synchronized (this) {
        if (StubAdapter.isStub(obj))
            // Make all remote object references available for INS.
            requestDispatcherRegistry.registerServerRequestDispatcher(
                insnd, id ) ;
    }
}
 

public boolean is_equivalent(org.omg.CORBA.Object obj,
                             org.omg.CORBA.Object ref)
{
    if ( ref == null )
        return false;

    // If ref is a local object, it is not a Stub!
    if (!StubAdapter.isStub(ref))
        return false ;

    Delegate del = StubAdapter.getDelegate(ref) ;
    if (del == null)
        return false ;

    // Optimize the x.is_equivalent( x ) case
    if (del == this)
        return true;

    // If delegate was created by a different ORB, return false
    if (!(del instanceof CorbaClientDelegateImpl))
        return false ;

    CorbaClientDelegateImpl corbaDelegate = (CorbaClientDelegateImpl)del ;
    CorbaContactInfoList ccil =
        (CorbaContactInfoList)corbaDelegate.getContactInfoList() ;
    return this.contactInfoList.getTargetIOR().isEquivalent(
        ccil.getTargetIOR() );
}
 

/**
 * Connect the Stub to the ORB.
 */
protected final Object resolveObject(Object obj) throws IOException {
    try {
        if (StubAdapter.isStub(obj)) {
            StubAdapter.connect(obj, orb);
        }
    } catch (java.rmi.RemoteException re) {
        IOException ie = new IOException("resolveObject failed");
        ie.initCause(re);
        throw ie;
    }
    return obj;
}
 

/**
 * 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;
}
 

/**
 * Checks for objects that are instances of java.rmi.Remote
 * that need to be serialized as proxy (Stub) objects.
 */
protected final Object replaceObject(Object obj) throws IOException {
    try {
        if ((obj instanceof java.rmi.Remote) &&
                !(StubAdapter.isStub(obj))) {
            return Utility.autoConnect(obj, orb, true);
        }
    } catch (Exception e) {
        IOException ie = new IOException("replaceObject failed");
        ie.initCause(e);
        throw ie;
    }
    return obj;
}
 

/**
 * 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;
}
 

/**
 * 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 boolean is_equivalent(org.omg.CORBA.Object obj,
                             org.omg.CORBA.Object ref)
{
    if ( ref == null )
        return false;

    // If ref is a local object, it is not a Stub!
    if (!StubAdapter.isStub(ref))
        return false ;

    Delegate del = StubAdapter.getDelegate(ref) ;
    if (del == null)
        return false ;

    // Optimize the x.is_equivalent( x ) case
    if (del == this)
        return true;

    // If delegate was created by a different ORB, return false
    if (!(del instanceof CorbaClientDelegateImpl))
        return false ;

    CorbaClientDelegateImpl corbaDelegate = (CorbaClientDelegateImpl)del ;
    CorbaContactInfoList ccil =
        (CorbaContactInfoList)corbaDelegate.getContactInfoList() ;
    return this.contactInfoList.getTargetIOR().isEquivalent(
        ccil.getTargetIOR() );
}
 

/** This method obtains an IOR from a CORBA object reference.
* It will return null if obj is a local object, a null object,
* or an object implemented by a different ORB.  It will
* throw BAD_OPERATION if obj is an unconnected RMI-IIOP object.
* @return IOR the IOR that represents this objref.  This will
* never be null.
* @exception BAD_OPERATION (from oi._get_delegate) if obj is a
* normal objref, but does not have a delegate set.
* @exception BAD_PARAM if obj is a local object, or else was
* created by a foreign ORB.
*/
public static IOR getIOR( org.omg.CORBA.Object obj )
{
    if (obj == null)
        throw wrapper.nullObjectReference() ;

    IOR ior = null ;
    if (StubAdapter.isStub(obj)) {
        org.omg.CORBA.portable.Delegate del = StubAdapter.getDelegate(
            obj ) ;

        if (del instanceof CorbaClientDelegate) {
            CorbaClientDelegate cdel = (CorbaClientDelegate)del ;
            ContactInfoList cil = cdel.getContactInfoList() ;

            if (cil instanceof CorbaContactInfoList) {
                CorbaContactInfoList ccil = (CorbaContactInfoList)cil ;
                ior = ccil.getTargetIOR() ;
                if (ior == null)
                    throw wrapper.nullIor() ;

                return ior ;
            } else {
                // This is our code, but the ContactInfoList is not a
                // CorbaContactInfoList.  This should not happen, because
                // we are in the CORBA application of the DCSA framework.
                // This is a coding error, and thus an INTERNAL exception
                // should be thrown.
                // XXX needs minor code
                throw new INTERNAL() ;
            }
        }

        // obj is implemented by a foreign ORB, because the Delegate is not a
        // ClientDelegate.
        // XXX this case could be handled by marshalling and
        // unmarshalling.  However, object_to_string cannot be used
        // here, as it is implemented with getIOR.  Note that this
        // will require access to an ORB, so that we can create streams
        // as needed.  The ORB is available simply as io._orb().
        throw wrapper.objrefFromForeignOrb() ;
    } else
        throw wrapper.localObjectNotAllowed() ;
}
 

/** This method obtains an IOR from a CORBA object reference.
* It will return null if obj is a local object, a null object,
* or an object implemented by a different ORB.  It will
* throw BAD_OPERATION if obj is an unconnected RMI-IIOP object.
* @return IOR the IOR that represents this objref.  This will
* never be null.
* @exception BAD_OPERATION (from oi._get_delegate) if obj is a
* normal objref, but does not have a delegate set.
* @exception BAD_PARAM if obj is a local object, or else was
* created by a foreign ORB.
*/
public static IOR getIOR( org.omg.CORBA.Object obj )
{
    if (obj == null)
        throw wrapper.nullObjectReference() ;

    IOR ior = null ;
    if (StubAdapter.isStub(obj)) {
        org.omg.CORBA.portable.Delegate del = StubAdapter.getDelegate(
            obj ) ;

        if (del instanceof CorbaClientDelegate) {
            CorbaClientDelegate cdel = (CorbaClientDelegate)del ;
            ContactInfoList cil = cdel.getContactInfoList() ;

            if (cil instanceof CorbaContactInfoList) {
                CorbaContactInfoList ccil = (CorbaContactInfoList)cil ;
                ior = ccil.getTargetIOR() ;
                if (ior == null)
                    throw wrapper.nullIor() ;

                return ior ;
            } else {
                // This is our code, but the ContactInfoList is not a
                // CorbaContactInfoList.  This should not happen, because
                // we are in the CORBA application of the DCSA framework.
                // This is a coding error, and thus an INTERNAL exception
                // should be thrown.
                // XXX needs minor code
                throw new INTERNAL() ;
            }
        }

        // obj is implemented by a foreign ORB, because the Delegate is not a
        // ClientDelegate.
        // XXX this case could be handled by marshalling and
        // unmarshalling.  However, object_to_string cannot be used
        // here, as it is implemented with getIOR.  Note that this
        // will require access to an ORB, so that we can create streams
        // as needed.  The ORB is available simply as io._orb().
        throw wrapper.objrefFromForeignOrb() ;
    } else
        throw wrapper.localObjectNotAllowed() ;
}