/*******************************************************************************
* Copyright (c) 1998, 2013 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 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 javax.xml.bind.ValidationEvent;
import javax.xml.bind.ValidationEventHandler;
import javax.xml.bind.helpers.ValidationEventImpl;
import javax.xml.bind.helpers.ValidationEventLocatorImpl;
import org.eclipse.persistence.exceptions.EclipseLinkException;
import org.eclipse.persistence.oxm.record.ValidatingMarshalRecord.MarshalSAXParseException;
import org.xml.sax.SAXParseException;
import org.xml.sax.SAXException;
import org.xml.sax.ErrorHandler;
/**
* <p>Implementation of org.xml.sax.ErrorHandler. When JAXBMarshaller or JAXBUnmarshaller
* is given a ValidationEventHandler a JAXBErrorHandler is used to wrap it. This
* ErrorHandler is then used by the underlying XMLMarshaller or XMLUnmarshaller.
* </p>
*/
public class JAXBErrorHandler implements ErrorHandler {
private ValidationEventHandler eventHandler;
/**
* Create a new JAXBErrorHandler with the specified ValidationEventHandler
* @param validationEventHandler
*/
public JAXBErrorHandler(ValidationEventHandler validationEventHandler) {
super();
eventHandler = validationEventHandler;
}
/**
* Handle warnings
* The exception will be given to the ValidationEventHandler at to attempt to handle.
* @param exception the SAXParseException that occurred
*/
public void warning(SAXParseException exception) throws SAXException {
handleException(exception, ValidationEvent.ERROR);
}
/**
* Handle errors.
* The exception will be given to the ValidationEventHandler at to attempt to handle.
* @param exception the SAXParseException that occurred
*/
public void error(SAXParseException exception) throws SAXException {
handleException(exception, ValidationEvent.FATAL_ERROR);
}
/**
* Handle fatal errors.
* The exception will be given to the ValidationEventHandler at to attempt to handle.
* @param exception the SAXParseException that occurred
*/
public void fatalError(SAXParseException exception) throws SAXException {
handleException(exception, ValidationEvent.FATAL_ERROR);
}
private void handleException(SAXParseException exception, int severity) throws SAXException {
ValidationEventLocatorImpl eventLocator = new ValidationEventLocatorImpl(exception);
if(exception instanceof MarshalSAXParseException) {
eventLocator.setObject(((MarshalSAXParseException) exception).getObject());
}
Throwable linkedException = exception.getCause();
if(linkedException instanceof EclipseLinkException) {
linkedException = exception.getCause();
}
ValidationEvent event = new ValidationEventImpl(severity, exception.getLocalizedMessage(), eventLocator, linkedException);
if (!eventHandler.handleEvent(event)) {
if(linkedException instanceof EclipseLinkException) {
throw (EclipseLinkException) linkedException;
}
throw exception;
}
}
/**
* Return the ValidationEventHandler associated with this JAXBErrorHandler.
* @return the ValidationEventHandler associated with this JAXBErrorHandler.
*/
public ValidationEventHandler getValidationEventHandler() {
return eventHandler;
}
}