/** Unwraps the WebSphere JDBC connection wrapping using the WebLogic API reflectively. */
@Override
public Connection unwrapConnection(Connection connection) {
if (getWebsphereConnectionClass().isInstance(connection)
&& getVendorConnectionMethod() != null) {
try {
return (Connection)
PrivilegedAccessHelper.invokeMethod(
getVendorConnectionMethod(), null, new Object[] {connection});
} catch (IllegalAccessException exception) {
getDatabaseSession()
.getSessionLog()
.logThrowable(SessionLog.WARNING, SessionLog.SERVER, exception);
} catch (InvocationTargetException exception) {
getDatabaseSession()
.getSessionLog()
.logThrowable(SessionLog.WARNING, SessionLog.SERVER, exception);
}
}
return super.unwrapConnection(connection);
}
/**
* INTERNAL: This method will return the key to be used to store/retrieve the delegates for a
* given application.
*
* <p>OC4J classLoader levels: 0 - APP.web (servlet/jsp) or APP.wrapper (ejb) 1 - APP.root (parent
* for helperContext) 2 - default.root 3 - system.root 4 - oc4j.10.1.3 (remote EJB) or
* org.eclipse.persistence:11.1.1.0.0 5 - api:1.4.0 6 - jre.extension:0.0.0 7 -
* jre.bootstrap:1.5.0_07 (with various J2SE versions)
*
* @return Application classloader for OC4J, application name for WebLogic, otherwise
* Thread.currentThread().getContextClassLoader()
*/
private static Object getDelegateMapKey(ClassLoader classLoader) {
String classLoaderName = classLoader.getClass().getName();
// Default to Thread.currentThread().getContextClassLoader()
Object delegateKey = classLoader;
// Delegates in OC4J server will be keyed on classloader
if (classLoaderName.startsWith(OC4J_CLASSLOADER_NAME)) {
// Check to see if we are running in a Servlet container or a local EJB container
if ((classLoader.getParent() != null) //
&& ((classLoader.toString().indexOf(SDOConstants.CLASSLOADER_WEB_FRAGMENT) != -1) //
|| (classLoader.toString().indexOf(SDOConstants.CLASSLOADER_EJB_FRAGMENT) != -1))) {
classLoader = classLoader.getParent();
}
delegateKey = classLoader;
// Delegates in WebLogic server will be keyed on application name
} else if (classLoaderName.contains(WLS_CLASSLOADER_NAME)) {
Object executeThread = getExecuteThread();
if (executeThread != null) {
try {
Method getMethod =
PrivilegedAccessHelper.getPublicMethod(
executeThread.getClass(),
WLS_APPLICATION_NAME_GET_METHOD_NAME,
PARAMETER_TYPES,
false);
delegateKey = PrivilegedAccessHelper.invokeMethod(getMethod, executeThread);
// ExecuteThread returns null
if (delegateKey == null) {
delegateKey = classLoader;
}
} catch (Exception e) {
throw SDOException.errorInvokingWLSMethodReflectively(
WLS_APPLICATION_NAME_GET_METHOD_NAME, WLS_EXECUTE_THREAD, e);
}
}
}
return delegateKey;
}
@Override
public XMLRecord buildRow(
XMLRecord record,
Object object,
CoreAbstractSession session,
Marshaller marshaller,
XPathFragment rootFragment) {
lazyInitialize();
XPathNode textNode = rootXPathNode.getTextNode();
List<XPathNode> nonAttributeChildren = rootXPathNode.getNonAttributeChildren();
if (null == textNode && null == nonAttributeChildren) {
return record;
}
Descriptor xmlDescriptor = (Descriptor) descriptor;
XPathNode node = rootXPathNode;
MarshalRecord marshalRecord = (MarshalRecord) record;
QName schemaType = null;
if (marshalRecord.getCycleDetectionStack().contains(object, marshaller.isEqualUsingIdenity())) {
if (cycleRecoverableClass == null) {
initCycleRecoverableClasses();
}
if (cycleRecoverableClass != null
&& cycleRecoverableClass.isAssignableFrom(object.getClass())) {
try {
Object jaxbMarshaller = marshaller.getProperty(Constants.JAXB_MARSHALLER);
// Create a proxy instance of CycleRecoverable$Context, a parameter to
// the onCycleDetected method
Object contextProxy =
CycleRecoverableContextProxy.getProxy(cycleRecoverableContextClass, jaxbMarshaller);
// Invoke onCycleDetected method, passing in proxy, and reset
// 'object' to the returned value
Method onCycleDetectedMethod =
object
.getClass()
.getMethod(ON_CYCLE_DETECTED, new Class[] {cycleRecoverableContextClass});
object =
PrivilegedAccessHelper.invokeMethod(
onCycleDetectedMethod, object, new Object[] {contextProxy});
} catch (Exception e) {
throw XMLMarshalException.marshalException(e);
}
// Returned object might have a different descriptor
xmlDescriptor = (Descriptor) session.getDescriptor(object.getClass());
if (xmlDescriptor != null) {
node = ((ObjectBuilder) xmlDescriptor.getObjectBuilder()).getRootXPathNode();
} else {
node = null;
}
// Push new object
marshalRecord.getCycleDetectionStack().push(object);
// Write xsi:type if onCycleDetected returned an object of a type different than the one
// mapped
if (xmlDescriptor != descriptor) {
if (xmlDescriptor == null) {
schemaType = record.getConversionManager().schemaType(object.getClass());
} else {
schemaType = xmlDescriptor.getSchemaReference().getSchemaContextAsQName();
}
marshalRecord.writeXsiTypeAttribute(
xmlDescriptor,
schemaType.getNamespaceURI(),
schemaType.getLocalPart(),
schemaType.getPrefix(),
false);
}
} else {
// Push the duplicate object anyway, so that we can get the complete cycle string
marshalRecord.getCycleDetectionStack().push(object);
throw XMLMarshalException.objectCycleDetected(
marshalRecord.getCycleDetectionStack().getCycleString());
}
} else {
marshalRecord.getCycleDetectionStack().push(object);
}
NamespaceResolver namespaceResolver = null;
if (xmlDescriptor != null) {
namespaceResolver = xmlDescriptor.getNamespaceResolver();
}
MarshalContext marshalContext = null;
if (xmlDescriptor != null && xmlDescriptor.isSequencedObject()) {
SequencedObject sequencedObject = (SequencedObject) object;
marshalContext = new SequencedMarshalContext(sequencedObject.getSettings());
} else {
marshalContext = ObjectMarshalContext.getInstance();
}
if (null == nonAttributeChildren) {
textNode.marshal(
(MarshalRecord) record,
object,
session,
namespaceResolver,
marshaller,
marshalContext,
rootFragment);
} else {
if (node == null) {
// No descriptor for this object, so manually create a MappingNodeValue and marshal it
XPathNode n = new XPathNode();
CompositeObjectMapping m = new XMLCompositeObjectMapping();
m.setXPath(".");
XMLCompositeObjectMappingNodeValue nv = new XMLCompositeObjectMappingNodeValue(m);
n.setMarshalNodeValue(nv);
nv.marshalSingleValue(
new XPathFragment("."),
marshalRecord,
null,
object,
session,
namespaceResolver,
marshalContext);
} else {
for (int x = 0, size = marshalContext.getNonAttributeChildrenSize(node); x < size; x++) {
XPathNode xPathNode = (XPathNode) marshalContext.getNonAttributeChild(x, node);
xPathNode.marshal(
(MarshalRecord) record,
object,
session,
namespaceResolver,
marshaller,
marshalContext.getMarshalContext(x),
rootFragment);
}
}
}
marshalRecord.getCycleDetectionStack().pop();
return record;
}
public void persistExample(Session session) {
Vector allObjects = new Vector();
allObjects.add(example1());
allObjects.add(example2());
allObjects.add(example3());
allObjects.add(example4());
// Bug 387491 - Three JUnitJPQLDateTimeTestSuite tests fail with Oracle jdbc 12.1 driver
// Starting with Oracle jdbc 12.1 Statement.setDate no longer truncates time component of
// sql.Date.
// The following code makes Oracle9Platform to do that by setting shouldTruncateDate flag to
// "true".
boolean hasSetTruncateDate = false;
if (session.getPlatform().isOracle9()) {
try {
Class clazz =
PrivilegedAccessHelper.getClassForName(
"org.eclipse.persistence.platform.database.oracle.Oracle9Platform");
Method getDriverVersionMethod =
PrivilegedAccessHelper.getMethod(clazz, "getDriverVersion", null, false);
String driverVersion =
(String)
PrivilegedAccessHelper.invokeMethod(
getDriverVersionMethod, session.getPlatform(), null);
if (Helper.compareVersions(driverVersion, "12.1") >= 0) {
Method shouldTruncateDateMethod =
PrivilegedAccessHelper.getMethod(clazz, "shouldTruncateDate", null, false);
boolean shouldTruncateDate =
(Boolean)
PrivilegedAccessHelper.invokeMethod(
shouldTruncateDateMethod, session.getPlatform(), null);
if (!shouldTruncateDate) {
Method setShouldTruncateDateMethod =
PrivilegedAccessHelper.getMethod(
clazz, "setShouldTruncateDate", new Class[] {boolean.class}, false);
PrivilegedAccessHelper.invokeMethod(
setShouldTruncateDateMethod, session.getPlatform(), new Object[] {true});
hasSetTruncateDate = true;
}
}
} catch (Exception ex) {
throw new RuntimeException("Failed oracle9Platform.setShouldTruncateDate(true)", ex);
}
}
UnitOfWork unitOfWork = session.acquireUnitOfWork();
unitOfWork.registerAllObjects(allObjects);
unitOfWork.commit();
if (hasSetTruncateDate) {
// Now setting shouldTruncateDate flag back to its original value "false".
try {
Class clazz =
PrivilegedAccessHelper.getClassForName(
"org.eclipse.persistence.platform.database.oracle.Oracle9Platform");
Method setShouldTruncateDateMethod =
PrivilegedAccessHelper.getMethod(
clazz, "setShouldTruncateDate", new Class[] {boolean.class}, false);
PrivilegedAccessHelper.invokeMethod(
setShouldTruncateDateMethod, session.getPlatform(), new Object[] {false});
} catch (Exception ex) {
throw new RuntimeException("Failed oracle9Platform.setShouldTruncateDate(false)", ex);
}
}
}