| /* |
| * Copyright (c) 1998, 2020 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // 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 jakarta.xml.bind.Unmarshaller; |
| |
| import org.eclipse.persistence.exceptions.XMLMarshalException; |
| import org.eclipse.persistence.internal.security.PrivilegedAccessHelper; |
| import org.eclipse.persistence.internal.security.PrivilegedMethodInvoker; |
| import org.eclipse.persistence.jaxb.compiler.UnmarshalCallback; |
| import org.eclipse.persistence.oxm.XMLUnmarshalListener; |
| |
| /** |
| * 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 jakarta.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; |
| } |
| |
| @Override |
| 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) { |
| throw XMLMarshalException.unmarshalException(ex); |
| } |
| } |
| } |
| if(listener != null) { |
| listener.beforeUnmarshal(target, parent); |
| } |
| } |
| @Override |
| 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) { |
| throw XMLMarshalException.unmarshalException(ex); |
| } |
| } |
| } |
| if(listener != null) { |
| listener.afterUnmarshal(target, parent); |
| } |
| } |
| |
| public void setClassBasedUnmarshalEvents(Map events) { |
| this.classBasedUnmarshalEvents = events; |
| } |
| } |