/******************************************************************************* | |
* 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.JAXBException; | |
import javax.xml.bind.UnmarshallerHandler; | |
import org.eclipse.persistence.platform.xml.SAXDocumentBuilder; | |
import org.xml.sax.SAXException; | |
import org.w3c.dom.Document; | |
/** | |
* <p>Implementation of UnmarshallerHandler to be used by JAXBUnmarshaller. </p> | |
* @see org.eclipse.persistence.jaxb.JAXBUnmarshaller | |
* @see javax.xml.bind.UnmarshallerHandler | |
*/ | |
public class JAXBUnmarshallerHandler extends SAXDocumentBuilder implements UnmarshallerHandler { | |
private JAXBUnmarshaller jaxbUnmarshaller; | |
private boolean endDocumentTriggered; | |
/** | |
* Create a new JAXBUnmarshallerHandler with the specified JAXBUnmarshaller | |
* @param newXMLUnmarshaller the JAXBUnmarshaller. | |
*/ | |
public JAXBUnmarshallerHandler(JAXBUnmarshaller newXMLUnmarshaller) { | |
super(); | |
jaxbUnmarshaller = newXMLUnmarshaller; | |
} | |
/** | |
* Event that is called at the end of processing the document. | |
*/ | |
public void endDocument() throws SAXException { | |
endDocumentTriggered = true; | |
super.endDocument(); | |
} | |
/** | |
* Event that is called at the start of processing the document. | |
*/ | |
public void startDocument() throws SAXException { | |
endDocumentTriggered = false; | |
super.startDocument(); | |
} | |
/** | |
* Return the unmarhalled document. If the document is null or the endDocument | |
* was never called then an IllegalStateExcpetion will be thrown. | |
*/ | |
public Object getResult() throws JAXBException, IllegalStateException { | |
Document document = getDocument(); | |
if ((document == null) || !endDocumentTriggered) { | |
throw new IllegalStateException(); | |
} | |
return jaxbUnmarshaller.unmarshal(document); | |
} | |
} |