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package com.sun.ejb.containers;
import java.io.Serializable;
import java.lang.reflect.Field;
import java.lang.reflect.Proxy;
import java.util.HashSet;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import jakarta.ejb.EJBException;
import jakarta.ejb.NoSuchEJBException;
import org.glassfish.ejb.LogFacade;
import org.glassfish.ejb.api.EjbContainerServices;
import org.glassfish.ejb.deployment.descriptor.EjbDescriptor;
import org.glassfish.ejb.deployment.descriptor.EjbSessionDescriptor;
import org.jvnet.hk2.annotations.Service;
import com.sun.ejb.Container;
import com.sun.ejb.EJBUtils;
import com.sun.ejb.spi.container.OptionalLocalInterfaceProvider;
import com.sun.enterprise.deployment.EjbInterceptor;
import com.sun.logging.LogDomains;
/**
*
*/
@Service
public class EjbContainerServicesImpl implements EjbContainerServices {
public S getBusinessObject(Object ejbRef, java.lang.Class businessInterface) {
EJBLocalObjectImpl localObjectImpl = getEJBLocalObject(ejbRef);
if( localObjectImpl == null ) {
throw new IllegalStateException("Invalid ejb ref");
}
Container container = localObjectImpl.getContainer();
EjbDescriptor ejbDesc = container.getEjbDescriptor();
S businessObject = null;
if (businessInterface != null) {
String intfName = businessInterface.getName();
if (ejbDesc.getLocalBusinessClassNames().contains(intfName)) {
// Get proxy corresponding to this business interface.
businessObject = (S) localObjectImpl.getClientObject(intfName);
} else if( ejbDesc.isLocalBean()) {
//If this is a no-interface view session bean, the bean
//can be accessed through interfaces in its superclass as well
boolean isValidBusinessInterface =
ejbDesc.getNoInterfaceLocalBeanClasses().contains(intfName);
if ((intfName.equals(ejbDesc.getEjbClassName()))
|| isValidBusinessInterface) {
businessObject = (S) localObjectImpl.getClientObject(ejbDesc.getEjbClassName());
}
}
}
if( businessObject == null ) {
throw new IllegalStateException("Unable to convert ejbRef for ejb " +
ejbDesc.getName() + " to a business object of type " + businessInterface);
}
return businessObject;
}
public void remove(Object ejbRef) {
EJBLocalObjectImpl localObjectImpl = getEJBLocalObject(ejbRef);
if( localObjectImpl == null ) {
throw new UnsupportedOperationException("Invalid ejb ref");
}
Container container = localObjectImpl.getContainer();
EjbDescriptor ejbDesc = container.getEjbDescriptor();
boolean isStatefulBean = false;
if( ejbDesc.getType().equals(EjbSessionDescriptor.TYPE) ) {
EjbSessionDescriptor sessionDesc = (EjbSessionDescriptor) ejbDesc;
isStatefulBean = sessionDesc.isStateful();
}
if( !isStatefulBean ) {
// TODO 299 impl may incorrectly call this for stateless/singleton
// beans. Until it's fixed just treat it as a no-op. Otherwise, any app acquiring
// stateless/singleton references via 299 could fail until bug is fixed.
return;
// TODO reenable this after bug is fixed
//throw new UnsupportedOperationException("ejbRef for ejb " +
// ejbDesc.getName() + " is not a stateful bean ");
}
try {
localObjectImpl.remove();
} catch(EJBException e) {
LogFacade.getLogger().log(Level.FINE, "EJBException during remove. ", e);
} catch(jakarta.ejb.RemoveException re) {
throw new NoSuchEJBException(re.getMessage(), re);
}
}
public boolean isRemoved(Object ejbRef) {
EJBLocalObjectImpl localObjectImpl = getEJBLocalObject(ejbRef);
if( localObjectImpl == null ) {
throw new UnsupportedOperationException("Invalid ejb ref");
}
Container container = localObjectImpl.getContainer();
EjbDescriptor ejbDesc = container.getEjbDescriptor();
boolean isStatefulBean = false;
if( ejbDesc.getType().equals(EjbSessionDescriptor.TYPE) ) {
EjbSessionDescriptor sessionDesc = (EjbSessionDescriptor) ejbDesc;
isStatefulBean = sessionDesc.isStateful();
}
if( !isStatefulBean ) {
// TODO 299 impl is incorrectly calling isRemoved for stateless/singleton
// beans. Until it's fixed just return false. Otherwise, any app acquiring
// stateless/singleton references via 299 will fail until bug is fixed.
return false;
// TODO reenable this per SessionObjectReference.isRemoved SPI
//throw new UnsupportedOperationException("ejbRef for ejb " +
// ejbDesc.getName() + " is not a stateful bean ");
}
boolean removed = false;
try {
((BaseContainer)container).checkExists(localObjectImpl);
} catch(Exception e) {
removed = true;
}
return removed;
}
private EJBLocalObjectImpl getEJBLocalObject(Object ejbRef) {
// ejbRef is assumed to be either a local business view or
// no-interface view
EJBLocalObjectInvocationHandlerDelegate localObj = null;
// First try to convert it as a local or remote business interface object
try {
localObj = (EJBLocalObjectInvocationHandlerDelegate) Proxy.getInvocationHandler(ejbRef);
} catch(IllegalArgumentException iae) {
Proxy proxy;
if( ejbRef instanceof OptionalLocalInterfaceProvider ) {
try {
Field proxyField = ejbRef.getClass().getDeclaredField("__ejb31_delegate");
final Field finalF = proxyField;
java.security.AccessController.doPrivileged(
new java.security.PrivilegedExceptionAction() {
public java.lang.Object run() throws Exception {
if( !finalF.isAccessible() ) {
finalF.setAccessible(true);
}
return null;
}
});
proxy = (Proxy) proxyField.get(ejbRef);
} catch(Exception e) {
throw new IllegalArgumentException("Invalid ejb ref", e);
}
try {
localObj = (EJBLocalObjectInvocationHandlerDelegate)
Proxy.getInvocationHandler(proxy);
} catch(IllegalArgumentException i) {}
}
}
return (localObj != null) ? localObj.getDelegate() : null;
}
public boolean isEjbManagedObject(Object desc, Class c) {
String className = c.getName();
EjbDescriptor ejbDesc = (EjbDescriptor) desc;
Set ejbManagedObjectClassNames = new HashSet();
ejbManagedObjectClassNames.add(ejbDesc.getEjbClassName());
for(EjbInterceptor next : ejbDesc.getInterceptorClasses()) {
if( !next.isCDIInterceptor() ) {
ejbManagedObjectClassNames.add(next.getInterceptorClassName());
}
}
Set serializableClassNames = new HashSet();
for(String next : ejbManagedObjectClassNames) {
// Add the serializable sub-class version of each name as well
serializableClassNames.add(EJBUtils.getGeneratedSerializableClassName(next));
}
boolean isEjbManagedObject = ejbManagedObjectClassNames.contains(className) ||
serializableClassNames.contains(className);
return isEjbManagedObject;
}
}
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