/**
* Import an XMP stream into the PDF document.
*
* @param xmp The XMP data.
* @throws IOException If there is an error generating the XML document.
* @throws TransformerException If there is an error generating the XML document.
*/
public void importXMPMetadata(XMPMetadata xmp) throws IOException, TransformerException {
xmp.save(createOutputStream());
}
/**
* Extract the XMP metadata and create and build an in memory object. To persist changes back to
* the PDF you must call importXMPMetadata.
*
* @return A parsed XMP object.
* @throws IOException If there is an error parsing the XMP data.
*/
public XMPMetadata exportXMPMetadata() throws IOException {
return XMPMetadata.load(createInputStream());
}