/**
* Creates an <code>XMLObject</code> from an element.
*
* @param objElem an Object element
* @throws MarshalException if there is an error when unmarshalling
*/
public DOMXMLObject(Element objElem, XMLCryptoContext context, Provider provider)
throws MarshalException {
// unmarshal attributes
this.encoding = DOMUtils.getAttributeValue(objElem, "Encoding");
Attr attr = objElem.getAttributeNodeNS(null, "Id");
if (attr != null) {
this.id = attr.getValue();
objElem.setIdAttributeNode(attr, true);
} else {
this.id = null;
}
this.mimeType = DOMUtils.getAttributeValue(objElem, "MimeType");
NodeList nodes = objElem.getChildNodes();
int length = nodes.getLength();
List content = new ArrayList(length);
for (int i = 0; i < length; i++) {
Node child = nodes.item(i);
if (child.getNodeType() == Node.ELEMENT_NODE) {
Element childElem = (Element) child;
String tag = childElem.getLocalName();
if (tag.equals("Manifest")) {
content.add(new DOMManifest(childElem, context, provider));
continue;
} else if (tag.equals("SignatureProperties")) {
content.add(new DOMSignatureProperties(childElem));
continue;
} else if (tag.equals("X509Data")) {
content.add(new DOMX509Data(childElem));
continue;
}
// @@@FIXME: check for other dsig structures
}
content.add(new javax.xml.crypto.dom.DOMStructure(child));
}
if (content.isEmpty()) {
this.content = Collections.EMPTY_LIST;
} else {
this.content = Collections.unmodifiableList(content);
}
}
/**
* Creates a <code>DOMReference</code> from an element.
*
* @param refElem a Reference element
*/
public DOMReference(Element refElem, XMLCryptoContext context) throws MarshalException {
// unmarshal Transforms, if specified
Element nextSibling = DOMUtils.getFirstChildElement(refElem);
List transforms = new ArrayList(5);
if (nextSibling.getLocalName().equals("Transforms")) {
Element transformElem = DOMUtils.getFirstChildElement(nextSibling);
while (transformElem != null) {
transforms.add(new DOMTransform(transformElem, context));
transformElem = DOMUtils.getNextSiblingElement(transformElem);
}
nextSibling = DOMUtils.getNextSiblingElement(nextSibling);
}
// unmarshal DigestMethod
Element dmElem = nextSibling;
this.digestMethod = DOMDigestMethod.unmarshal(dmElem);
// unmarshal DigestValue
try {
Element dvElem = DOMUtils.getNextSiblingElement(dmElem);
this.digestValue = Base64.decode(dvElem);
} catch (Base64DecodingException bde) {
throw new MarshalException(bde);
}
// unmarshal attributes
this.uri = DOMUtils.getAttributeValue(refElem, "URI");
this.id = DOMUtils.getAttributeValue(refElem, "Id");
this.type = DOMUtils.getAttributeValue(refElem, "Type");
this.here = refElem.getAttributeNodeNS(null, "URI");
this.refElem = refElem;
if (transforms.isEmpty()) {
this.transforms = Collections.EMPTY_LIST;
} else {
this.transforms = Collections.unmodifiableList(transforms);
}
this.appliedTransforms = Collections.EMPTY_LIST;
this.allTransforms = transforms;
this.appliedTransformData = null;
}
/**
* Creates a <code>DOMSignatureProperty</code> from an element.
*
* @param propElem a SignatureProperty element
*/
public DOMSignatureProperty(Element propElem) throws MarshalException {
// unmarshal attributes
target = DOMUtils.getAttributeValue(propElem, "Target");
if (target == null) {
throw new MarshalException("target cannot be null");
}
id = DOMUtils.getAttributeValue(propElem, "Id");
NodeList nodes = propElem.getChildNodes();
int length = nodes.getLength();
List content = new ArrayList(length);
for (int i = 0; i < length; i++) {
content.add(new javax.xml.crypto.dom.DOMStructure(nodes.item(i)));
}
if (content.isEmpty()) {
throw new MarshalException("content cannot be empty");
} else {
this.content = Collections.unmodifiableList(content);
}
}
private void unmarshalParams(Element curXPathElem) throws MarshalException {
List<XPathType> list = new ArrayList<XPathType>();
while (curXPathElem != null) {
String xPath = curXPathElem.getFirstChild().getNodeValue();
String filterVal = DOMUtils.getAttributeValue(curXPathElem, "Filter");
if (filterVal == null) {
throw new MarshalException("filter cannot be null");
}
XPathType.Filter filter = null;
if (filterVal.equals("intersect")) {
filter = XPathType.Filter.INTERSECT;
} else if (filterVal.equals("subtract")) {
filter = XPathType.Filter.SUBTRACT;
} else if (filterVal.equals("union")) {
filter = XPathType.Filter.UNION;
} else {
throw new MarshalException("Unknown XPathType filter type" + filterVal);
}
NamedNodeMap attributes = curXPathElem.getAttributes();
if (attributes != null) {
int length = attributes.getLength();
Map<String, String> namespaceMap = new HashMap<String, String>(length);
for (int i = 0; i < length; i++) {
Attr attr = (Attr) attributes.item(i);
String prefix = attr.getPrefix();
if (prefix != null && prefix.equals("xmlns")) {
namespaceMap.put(attr.getLocalName(), attr.getValue());
}
}
list.add(new XPathType(xPath, filter, namespaceMap));
} else {
list.add(new XPathType(xPath, filter));
}
curXPathElem = DOMUtils.getNextSiblingElement(curXPathElem);
}
this.params = new XPathFilter2ParameterSpec(list);
}