/*******************************************************************************
* Copyright (c) 1998, 2008 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.jaxb;
import java.lang.reflect.InvocationTargetException;
import java.security.AccessController;
import java.security.PrivilegedActionException;
import java.util.Map;
import javax.xml.bind.Unmarshaller;
import org.eclipse.persistence.internal.security.PrivilegedAccessHelper;
import org.eclipse.persistence.internal.security.PrivilegedMethodInvoker;
import org.eclipse.persistence.oxm.XMLUnmarshalListener;
import org.eclipse.persistence.jaxb.compiler.UnmarshalCallback;
/**
* INTERNAL:
* <p><b>Purpose:</b>Provide a wrapper for a JAXB 2.0 Unmarshal Listener that implements
* XMLUnmarshalListener
* <p><b>Responsibilities:</b><ul>
* <li>Implement the XMLUnmarshalListener API</li>
* <li>Delegate event callbacks to the wrapped Listener instance</li>
* <li>Perform JAXB 2.0 Class-Based unmarshal event callbacks</li>
* </ul>
*
* @since Oracle TopLink 11.1.1.0.0
* @author mmacivor
* @see javax.xml.bind.Marshaller.Listener
* @see org.eclipse.persistence.oxm.XMLMarshalListener
*/
public class JAXBUnmarshalListener implements XMLUnmarshalListener {
private Unmarshaller.Listener listener;
private Map classBasedUnmarshalEvents;
private Unmarshaller unmarshaller;
public JAXBUnmarshalListener(Unmarshaller unmarshaller) {
this.unmarshaller = unmarshaller;
}
public void setListener(Unmarshaller.Listener jaxbListener) {
this.listener = jaxbListener;
}
public Unmarshaller.Listener getListener() {
return listener;
}
public void beforeUnmarshal(Object target, Object parent) {
if(classBasedUnmarshalEvents != null) {
UnmarshalCallback callback = (UnmarshalCallback)classBasedUnmarshalEvents.get(target.getClass().getName());
if(callback != null && callback.getBeforeUnmarshalCallback() != null) {
try {
if (PrivilegedAccessHelper.shouldUsePrivilegedAccess()){
try{
AccessController.doPrivileged(new PrivilegedMethodInvoker(callback.getBeforeUnmarshalCallback(), target, new Object[]{unmarshaller, parent}));
}catch (PrivilegedActionException ex){
if (ex.getCause() instanceof IllegalAccessException){
throw (IllegalAccessException) ex.getCause();
}
if (ex.getCause() instanceof InvocationTargetException){
throw (InvocationTargetException) ex.getCause();
}
throw (RuntimeException)ex.getCause();
}
}else{
PrivilegedAccessHelper.invokeMethod(callback.getBeforeUnmarshalCallback(), target, new Object[]{unmarshaller, parent});
}
} catch(Exception ex) {
}
}
}
if(listener != null) {
listener.beforeUnmarshal(target, parent);
}
}
public void afterUnmarshal(Object target, Object parent) {
if(classBasedUnmarshalEvents != null) {
UnmarshalCallback callback = (UnmarshalCallback)classBasedUnmarshalEvents.get(target.getClass().getName());
if(callback != null && callback.getAfterUnmarshalCallback() != null) {
try {
if (PrivilegedAccessHelper.shouldUsePrivilegedAccess()){
try{
AccessController.doPrivileged(new PrivilegedMethodInvoker(callback.getAfterUnmarshalCallback(), target, new Object[]{unmarshaller, parent}));
}catch (PrivilegedActionException ex){
if (ex.getCause() instanceof IllegalAccessException){
throw (IllegalAccessException) ex.getCause();
}
if (ex.getCause() instanceof InvocationTargetException){
throw (InvocationTargetException) ex.getCause();
}
throw (RuntimeException)ex.getCause();
}
}else{
PrivilegedAccessHelper.invokeMethod(callback.getAfterUnmarshalCallback(), target, new Object[]{unmarshaller, parent});
}
} catch(Exception ex) {}
}
}
if(listener != null) {
listener.afterUnmarshal(target, parent);
}
}
public void setClassBasedUnmarshalEvents(Map events) {
this.classBasedUnmarshalEvents = events;
}
}