public <S> S getBusinessObject(Object ejbRef, java.lang.Class<S> 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;
}
