protected void circumventBugIfNeeded(XMLSignatureInput input)
throws CanonicalizationException, ParserConfigurationException, IOException, SAXException {
if (!input.isNeedsToBeExpanded()) {
return;
}
Document doc = null;
if (input.getSubNode() != null) {
doc = XMLUtils.getOwnerDocument(input.getSubNode());
} else {
doc = XMLUtils.getOwnerDocument(input.getNodeSet());
}
XMLUtils.circumventBug2650(doc);
}
/**
* Method engineCanonicalizeXPathNodeSet
*
* @inheritDoc
* @param xpathNodeSet
* @throws CanonicalizationException
*/
public byte[] engineCanonicalizeXPathNodeSet(Set xpathNodeSet) throws CanonicalizationException {
if (xpathNodeSet.size() == 0) {
return new byte[0];
}
this._xpathNodeSet = xpathNodeSet;
try {
Node rootNodeOfC14n = XMLUtils.getOwnerDocument(this._xpathNodeSet);
this.canonicalizeXPathNodeSet(rootNodeOfC14n, new NameSpaceSymbTable());
this._writer.close();
if (this._writer instanceof ByteArrayOutputStream) {
return ((ByteArrayOutputStream) this._writer).toByteArray();
}
return null;
} catch (UnsupportedEncodingException ex) {
throw new CanonicalizationException("empty", ex);
} catch (IOException ex) {
throw new CanonicalizationException("empty", ex);
}
}