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package com.sun.enterprise.iiop;
import java.rmi.Remote;
import java.rmi.RemoteException;
import java.net.URL;
import java.util.*;
import java.io.File;
import javax.rmi.PortableRemoteObject;
import javax.rmi.CORBA.*;
import javax.transaction.*;
import javax.ejb.EJBException;
import javax.ejb.NoSuchObjectLocalException;
import javax.ejb.TransactionRolledbackLocalException;
import javax.ejb.TransactionRequiredLocalException;
import javax.ejb.ConcurrentAccessException;
import javax.naming.*;
import org.omg.CORBA.*;
import com.sun.enterprise.*;
import com.sun.enterprise.deployment.*;
import com.sun.enterprise.util.*;
import com.sun.enterprise.log.Log;
import com.sun.enterprise.server.*;
import com.sun.ejb.*;
import com.sun.ejb.containers.InternalEJBContainerException;
import com.sun.ejb.containers.ParallelAccessException;
import com.sun.enterprise.security.SecurityContext;
import org.omg.CosNaming.NamingContext;
import com.sun.corba.ee.spi.oa.rfm.ReferenceFactoryManager ;
import com.sun.corba.ee.spi.presentation.rmi.PresentationManager;
import com.sun.corba.ee.spi.presentation.rmi.DynamicStub;
import com.sun.corba.ee.spi.presentation.rmi.StubAdapter;
import com.sun.corba.ee.spi.extension.ServantCachingPolicy;
import com.sun.corba.ee.spi.ior.*;
import com.sun.corba.ee.impl.naming.cosnaming.TransientNameService;
import com.sun.corba.ee.impl.orbutil.ORBConstants;
import java.util.logging.*;
import com.sun.logging.*;
/**
* This class implements the ProtocolManager interface for the
* RMI/IIOP ORB with POA (Portable Object Adapter).
* Note that the POA is now accessed only through the
* ReferenceFactoryManager for EJB.
*
* @author Vivek Nagar
*/
public final class POAProtocolMgr extends org.omg.CORBA.LocalObject
implements ProtocolManager
{
private static final Logger _logger =
LogDomains.getLogger(LogDomains.CORBA_LOGGER);
private static final int MAPEXCEPTION_CODE = 9998;
private static final String InitialObjectsDb = "initial.db";
private static final String ORG_OMG_STUB_PREFIX = "org.omg.stub.";
private final ORB orb;
private final Switch theSwitch;
private final ContainerFactory containerFactory;
private final PresentationManager presentationMgr;
public POAProtocolMgr(ORB o)
{
this.orb = (ORB)o;
theSwitch = Switch.getSwitch();
containerFactory = theSwitch.getContainerFactory();
this.presentationMgr =
((com.sun.corba.ee.spi.orb.ORB) orb).getPresentationManager();
if ( containerFactory == null )
{
throw new IllegalStateException( "null containerFactory" );
}
}
// Called in all VMs, must be called only after InitialNaming is available
public void initializePOAs()
throws Exception
{
// NOTE: The RootPOA manager used to activated here.
ReferenceFactoryManager rfm =
(ReferenceFactoryManager)orb.resolve_initial_references(
ORBConstants.REFERENCE_FACTORY_MANAGER ) ;
rfm.activate() ;
_logger.log(Level.FINE, "POAProtocolMgr.initializePOAs: RFM resolved and activated");
}
public ORB getORB()
{
return orb;
}
private ContainerFactory getContainerFactory()
{
return containerFactory;
}
// Called only in J2EE Server VM
public void initializeNaming(File dbDir, int orbInitialPort) throws Exception
{
// NOTE: The TransientNameService reference is NOT HA.
new TransientNameService((com.sun.corba.ee.spi.orb.ORB)orb);
_logger.log(Level.FINE, "POAProtocolMgr.initializeNaming: complete");
}
/**
* Return a factory that can be used to create/destroy remote
* references for a particular EJB type.
*/
public RemoteReferenceFactory getRemoteReferenceFactory
(Container container, boolean remoteHomeView, String id)
{
RemoteReferenceFactory factory = new POARemoteReferenceFactory
(container, this, orb, remoteHomeView, id);
// XXX store factory in some kind of table ??
return factory;
}
/**
* Connect the RMI object to the protocol.
*/
public void connectObject(Remote remoteObj)
throws RemoteException
{
StubAdapter.connect
(remoteObj, (com.sun.corba.ee.spi.orb.ORB)ORBManager.getORB());
}
/**
* Return true if the two object references refer to the same
* remote object.
*/
public boolean isIdentical(Remote obj1, Remote obj2)
{
org.omg.CORBA.Object corbaObj1 = (org.omg.CORBA.Object)obj1;
org.omg.CORBA.Object corbaObj2 = (org.omg.CORBA.Object)obj2;
return corbaObj1._is_equivalent(corbaObj2);
}
public void validateTargetObjectInterfaces(Remote targetObj) {
if( targetObj != null ) {
// All Remote interfaces implemented by targetObj will be
// validated as a side-effect of calling setTarget().
// A runtime exception will be propagated if validation fails.
Tie tie = presentationMgr.getTie();
tie.setTarget(targetObj);
} else {
throw new IllegalArgumentException
("null passed to validateTargetObjectInterfaces");
}
}
/**
* Map the EJB/RMI exception to a protocol-specific (e.g. CORBA) exception
*/
public Throwable mapException(Throwable exception) {
boolean mapped = true;
Throwable mappedException = null;
if ( exception instanceof java.rmi.NoSuchObjectException
|| exception instanceof NoSuchObjectLocalException )
{
mappedException = new OBJECT_NOT_EXIST(MAPEXCEPTION_CODE,
CompletionStatus.COMPLETED_MAYBE);
} else if ( exception instanceof java.rmi.AccessException
|| exception instanceof javax.ejb.AccessLocalException )
{
mappedException = new NO_PERMISSION(MAPEXCEPTION_CODE,
CompletionStatus.COMPLETED_MAYBE);
} else if ( exception instanceof java.rmi.MarshalException ) {
mappedException = new MARSHAL(MAPEXCEPTION_CODE,
CompletionStatus.COMPLETED_MAYBE);
} else if ( exception instanceof javax.transaction.TransactionRolledbackException
|| exception instanceof TransactionRolledbackLocalException )
{
mappedException = new TRANSACTION_ROLLEDBACK(MAPEXCEPTION_CODE,
CompletionStatus.COMPLETED_MAYBE);
} else if ( exception instanceof javax.transaction.TransactionRequiredException
|| exception instanceof TransactionRequiredLocalException )
{
mappedException = new TRANSACTION_REQUIRED(MAPEXCEPTION_CODE,
CompletionStatus.COMPLETED_MAYBE);
} else if ( exception instanceof javax.transaction.InvalidTransactionException ) {
mappedException = new INVALID_TRANSACTION(MAPEXCEPTION_CODE,
CompletionStatus.COMPLETED_MAYBE);
} else if (exception instanceof ConcurrentAccessException) {
ConcurrentAccessException ex = (ConcurrentAccessException) exception;
exception = new ParallelAccessException(ex.getMessage(), ex);
mapped = false;
} else if ( exception instanceof EJBException ) {
EJBException ex = (EJBException) exception;
Throwable cause = ex.getCausedByException();
if(cause == null) {
cause = ex.getCause();
}
exception = new RemoteException(ex.getMessage(), cause);
mapped = false;
} else {
mapped = false;
}
return (mapped)
? mappedException.initCause(exception)
: exception;
}
/**
* Called from SecurityMechanismSelector for each objref creation
*/
public EjbDescriptor getEjbDescriptor(byte[] ejbKey)
{
EjbDescriptor result = null;
try {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "POAProtocolMgr.getEjbDescriptor->: "
+ ejbKey);
}
if ( ejbKey.length < POARemoteReferenceFactory.EJBID_OFFSET + 8 ) {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "POAProtocolMgr.getEjbDescriptor: "
+ ejbKey
+ ": " + ejbKey.length + " < "
+ POARemoteReferenceFactory.EJBID_OFFSET + 8);
}
return null;
}
long ejbId =
Utility.bytesToLong(ejbKey,
POARemoteReferenceFactory.EJBID_OFFSET);
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "POAProtocolMgr.getEjbDescriptor: "
+ ejbKey + ": ejbId: " + ejbId);
}
if ( getContainerFactory() != null ) {
result = containerFactory.getEjbDescriptor(ejbId);
} else {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "POAProtocolMgr.getEjbDescriptor: "
+ ejbKey + ": no container factory");
}
}
return result;
} finally {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "POAProtocolMgr.getEjbDescriptor<-: "
+ ejbKey + ": " + result);
}
}
}
}
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