/**
* makes a {@link Document} out of a {@link XMLStreamReader}
*
* @param xmlStreamReader the xmlStreamRader to convert
* @return the xmlStreamRader as {@link Document}
* @throws FactoryConfigurationError
* @throws XMLStreamException
* @throws ParserConfigurationException
* @throws IOException
* @throws SAXException
*/
public static Document getAsDocument(XMLStreamReader xmlStreamReader)
throws XMLStreamException, FactoryConfigurationError, ParserConfigurationException,
SAXException, IOException {
StreamBufferStore store = new StreamBufferStore();
XMLStreamWriter xmlWriter = null;
try {
xmlWriter = XMLOutputFactory.newInstance().createXMLStreamWriter(store);
xmlWriter.writeStartDocument();
XMLAdapter.writeElement(xmlWriter, xmlStreamReader);
} finally {
if (xmlWriter != null) {
try {
xmlWriter.close();
} catch (XMLStreamException e) {
LOG.error("Unable to close xmlwriter.");
}
}
}
store.flush();
DOMParser parser = new DOMParser();
parser.parse(new InputSource(store.getInputStream()));
Document doc = parser.getDocument();
store.close();
return doc;
}
/**
* Serializes the XML element (including all attributes and subnodes) from the given {@link
* XMLStreamReader} into a {@link StreamBufferStore}.
*
* @param reader cursor must point at a <code>START_ELEMENT</code> event and points at the
* corresponding <code>END_ELEMENT</code> event afterwards
* @return stored document, never <code>null</code>
* @throws IOException
* @throws FactoryConfigurationError
* @throws XMLStreamException
*/
public static StreamBufferStore serialize(XMLStreamReader reader)
throws IOException, XMLStreamException, FactoryConfigurationError {
StreamBufferStore tmpStore = new StreamBufferStore();
XMLStreamWriter writer = XMLOutputFactory.newInstance().createXMLStreamWriter(tmpStore);
try {
copy(writer, reader);
} finally {
writer.close();
tmpStore.close();
}
return tmpStore;
}