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);
}
protected XMLSignatureInput enginePerformTransform(XMLSignatureInput input, OutputStream os)
throws CanonicalizationException {
try {
String inclusiveNamespaces = null;
if (this._transformObject.length(
InclusiveNamespaces.ExclusiveCanonicalizationNamespace,
InclusiveNamespaces._TAG_EC_INCLUSIVENAMESPACES)
== 1) {
Element inclusiveElement =
XMLUtils.selectNode(
this._transformObject.getElement().getFirstChild(),
InclusiveNamespaces.ExclusiveCanonicalizationNamespace,
InclusiveNamespaces._TAG_EC_INCLUSIVENAMESPACES,
0);
inclusiveNamespaces =
new InclusiveNamespaces(inclusiveElement, this._transformObject.getBaseURI())
.getInclusiveNamespaces();
}
Canonicalizer20010315ExclOmitComments c14n = new Canonicalizer20010315ExclOmitComments();
if (os != null) {
c14n.setWriter(os);
}
byte[] result;
if (input.isOctetStream()) {
result = c14n.engineCanonicalize(input.get_Bytes());
} else if (input.isElement()) {
org.w3c.dom.Node excl = input.getExcludeNode();
result = c14n.engineCanonicalizeSubTree(input.getSubNode(), inclusiveNamespaces, excl);
} else {
result = c14n.engineCanonicalizeXPathNodeSet(input.getNodeSet(), inclusiveNamespaces);
}
XMLSignatureInput output = new XMLSignatureInput(result);
if (os != null) {
output.setOutputStream(os);
}
return output;
} catch (IOException ex) {
throw new CanonicalizationException("empty", ex);
} catch (ParserConfigurationException ex) {
throw new CanonicalizationException("empty", ex);
} catch (XMLSecurityException ex) {
throw new CanonicalizationException("empty", ex);
} catch (SAXException ex) {
throw new CanonicalizationException("empty", ex);
}
}