/*******************************************************************************
* Copyright (c) 1998, 2009 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.sdo.helper;
import commonj.sdo.Type;
import commonj.sdo.helper.HelperContext;
import org.eclipse.persistence.sdo.SDOChangeSummary;
import org.eclipse.persistence.sdo.SDODataObject;
import org.eclipse.persistence.exceptions.SDOException;
import org.eclipse.persistence.oxm.XMLUnmarshalListener;
/**
* <p><b>Purpose</b>: Implementation of XMLUnmarshalListener used when unmarshalling XML to XMLDocuments
* <p><b>Responsibilities</b>:<ul>
* <li> When creating a DataObject we need to call setType and setHelperContext with the appropriate values
* </ul>
*/
public class SDOCSUnmarshalListener implements XMLUnmarshalListener {
private boolean isCSUnmarshalListener;
/** Visibility reduced from [public] in 2.1.0. May 15 2007 */
protected HelperContext aHelperContext;
public SDOCSUnmarshalListener(HelperContext aContext, boolean bIsCSUnmarshalListener) {
aHelperContext = aContext;
isCSUnmarshalListener = bIsCSUnmarshalListener;
}
public SDOCSUnmarshalListener(HelperContext aContext) {
aHelperContext = aContext;
}
public void beforeUnmarshal(Object target, Object parent) {
try {
if (target instanceof SDODataObject) {
String className = target.getClass().getName();
String interfaceName = className.substring(0, className.length() - 4);
Class interfaceClass = target.getClass().getClassLoader().loadClass(interfaceName);
Type type = aHelperContext.getTypeHelper().getType(interfaceClass);
// perform cleanup operations on objects that were instantiated with getInstance()
SDODataObject aDataObject = (SDODataObject)target;
// reset the HelperContext on target DataObject from default static context
// setting the Type requires a helpercontext so following 2 calls must be in this order
aDataObject._setHelperContext(aHelperContext);
aDataObject._setType(type);
} else if (target instanceof SDOChangeSummary) {
if (!isCSUnmarshalListener) {
((SDOChangeSummary)target).setHelperContext(aHelperContext);
}
}
} catch (ClassNotFoundException e) {
throw SDOException.classNotFound(e, null, null);
}
}
public void afterUnmarshal(Object target, Object parent) {
}
}