/**
* Sends a request message to the server, receives the reply from the server, and returns an
* <code>Object</code> result to the caller.
*/
public Object invoke(String operationName, StubStrategy stubStrategy, Object[] params)
throws Throwable {
if (operationName.equals("_get_handle") && this instanceof javax.ejb.EJBObject) {
if (handle == null) {
handle = new HandleImplIIOP(this);
}
return handle;
} else if (operationName.equals("_get_homeHandle") && this instanceof javax.ejb.EJBHome) {
if (handle == null) {
handle = new HomeHandleImplIIOP(this);
}
return handle;
} else if (!_is_local()) {
// remote call path
// To check whether this is a local stub or not we must call
// org.omg.CORBA.portable.ObjectImpl._is_local(), and _not_
// javax.rmi.CORBA.Util.isLocal(Stub s), which in Sun's JDK
// always return false.
InputStream in = null;
try {
try {
OutputStream out = (OutputStream) _request(operationName, true);
stubStrategy.writeParams(out, params);
trace("sent request: " + operationName);
in = (InputStream) _invoke(out);
if (stubStrategy.isNonVoid()) {
trace("received reply");
return stubStrategy.readRetval(in);
// Object retval = stubStrategy.readRetval(in);
// trace("retval: " + retval);
// return retval;
} else return null;
} catch (ApplicationException ex) {
trace("got application exception");
in = (InputStream) ex.getInputStream();
throw stubStrategy.readException(ex.getId(), in);
} catch (RemarshalException ex) {
trace("got remarshal exception");
return invoke(operationName, stubStrategy, params);
}
} catch (SystemException ex) {
if (EjbLogger.EJB3_INVOCATION_LOGGER.isTraceEnabled()) {
EjbLogger.EJB3_INVOCATION_LOGGER.trace("CORBA system exception in IIOP stub", ex);
}
throw Util.mapSystemException(ex);
} finally {
_releaseReply(in);
}
} else {
// local call path
org.omg.CORBA.portable.ServantObject so = _servant_preinvoke(operationName, Object.class);
if (so == null) return invoke(operationName, stubStrategy, params);
try {
// params = Util.copyObjects(params, _orb());
Object retval =
((LocalIIOPInvoker) so.servant)
.invoke(
operationName,
params,
null, /* tx */
null, /* identity */
null /* credential */);
return stubStrategy.convertLocalRetval(retval);
// retval = stubStrategy.convertLocalRetval(retval);
// return Util.copyObject(retval, _orb());
} catch (Throwable e) {
// Throwable ex = (Throwable)Util.copyObject(e, _orb());
Throwable ex = e;
if (stubStrategy.isDeclaredException(ex)) throw ex;
else throw Util.wrapException(ex);
} finally {
_servant_postinvoke(so);
}
}
}
private static void trace(final String msg) {
if (EjbLogger.EJB3_INVOCATION_LOGGER.isTraceEnabled())
EjbLogger.EJB3_INVOCATION_LOGGER.trace(msg);
}