import com.google.common.base.Optional;
import java.io.IOException;
-import org.opendaylight.controller.netconf.api.NetconfDocumentedException;
+import java.util.Map;
+import org.opendaylight.controller.config.util.xml.DocumentedException;
+import org.opendaylight.controller.config.util.xml.XmlElement;
+import org.opendaylight.controller.config.util.xml.XmlUtil;
import org.opendaylight.controller.netconf.api.xml.XmlNetconfConstants;
import org.opendaylight.controller.netconf.util.mapping.AbstractNetconfOperation.OperationNameAndNamespace;
-import org.opendaylight.controller.netconf.util.xml.XmlElement;
-import org.opendaylight.controller.netconf.util.xml.XmlUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Attr;
* See <a href="http://tools.ietf.org/html/rfc6241#section-6">rfc6241</a> for details.
*/
public class SubtreeFilter {
- private static final Logger logger = LoggerFactory.getLogger(SubtreeFilter.class);
-
- static Document applySubtreeFilter(Document requestDocument, Document rpcReply) throws NetconfDocumentedException {
- // FIXME: rpcReply document must be reread otherwise some nodes do not inherit namespaces. (services/service)
- try {
- rpcReply = XmlUtil.readXmlToDocument(XmlUtil.toString(rpcReply, true));
- } catch (SAXException | IOException e) {
- logger.error("Cannot transform document", e);
- throw new NetconfDocumentedException("Cannot transform document");
- }
+ private static final Logger LOG = LoggerFactory.getLogger(SubtreeFilter.class);
+ static Document applySubtreeFilter(Document requestDocument, Document rpcReply) throws DocumentedException {
OperationNameAndNamespace operationNameAndNamespace = new OperationNameAndNamespace(requestDocument);
if (XmlNetconfConstants.URN_IETF_PARAMS_XML_NS_NETCONF_BASE_1_0.equals(operationNameAndNamespace.getNamespace()) &&
XmlNetconfConstants.GET.equals(operationNameAndNamespace.getOperationName()) ||
// not implement filtering.
Optional<XmlElement> maybeFilter = operationNameAndNamespace.getOperationElement().getOnlyChildElementOptionally(
XmlNetconfConstants.FILTER, XmlNetconfConstants.URN_IETF_PARAMS_XML_NS_NETCONF_BASE_1_0);
- if (maybeFilter.isPresent() && (
- "subtree".equals(maybeFilter.get().getAttribute("type"))||
- "subtree".equals(maybeFilter.get().getAttribute("type", XmlNetconfConstants.URN_IETF_PARAMS_XML_NS_NETCONF_BASE_1_0))
- )) {
+ if (!maybeFilter.isPresent()) {
+ return rpcReply;
+ }
+ // FIXME: rpcReply document must be reread otherwise some nodes do not inherit namespaces. (services/service)
+ try {
+ rpcReply = XmlUtil.readXmlToDocument(XmlUtil.toString(rpcReply, true));
+ } catch (SAXException | IOException e) {
+ LOG.error("Cannot transform document", e);
+ throw new DocumentedException("Cannot transform document" + e);
+ }
+ XmlElement filter = maybeFilter.get();
+ if ("subtree".equals(filter.getAttribute("type"))||
+ "subtree".equals(filter.getAttribute("type", XmlNetconfConstants.URN_IETF_PARAMS_XML_NS_NETCONF_BASE_1_0))) {
// do
return filtered(maybeFilter.get(), rpcReply);
}
}
+
return rpcReply; // return identical document
}
- private static Document filtered(XmlElement filter, Document originalReplyDocument) throws NetconfDocumentedException {
+ private static Document filtered(XmlElement filter, Document originalReplyDocument) throws DocumentedException {
Document result = XmlUtil.newDocument();
// even if filter is empty, copy /rpc/data
Element rpcReply = originalReplyDocument.getDocumentElement();
Node rpcReplyDst = result.importNode(rpcReply, false);
result.appendChild(rpcReplyDst);
- XmlElement dataSrc = XmlElement.fromDomElement(rpcReply).getOnlyChildElement("data", XmlNetconfConstants.RFC4741_TARGET_NAMESPACE);
+ XmlElement dataSrc = XmlElement.fromDomElement(rpcReply).getOnlyChildElement("data", XmlNetconfConstants.URN_IETF_PARAMS_XML_NS_NETCONF_BASE_1_0);
Element dataDst = (Element) result.importNode(dataSrc.getDomElement(), false);
rpcReplyDst.appendChild(dataDst);
addSubtree(filter, dataSrc, XmlElement.fromDomElement(dataDst));
return result;
}
- private static void addSubtree(XmlElement filter, XmlElement src, XmlElement dst) {
+ private static void addSubtree(XmlElement filter, XmlElement src, XmlElement dst) throws DocumentedException {
for (XmlElement srcChild : src.getChildElements()) {
for (XmlElement filterChild : filter.getChildElements()) {
addSubtree2(filterChild, srcChild, dst);
}
}
- private static MatchingResult addSubtree2(XmlElement filter, XmlElement src, XmlElement dstParent) {
+ private static MatchingResult addSubtree2(XmlElement filter, XmlElement src, XmlElement dstParent) throws DocumentedException {
Document document = dstParent.getDomElement().getOwnerDocument();
MatchingResult matches = matches(src, filter);
if (matches != MatchingResult.NO_MATCH && matches != MatchingResult.CONTENT_MISMATCH) {
* Shallow compare src node to filter: tag name and namespace must match.
* If filter node has no children and has text content, it also must match.
*/
- private static MatchingResult matches(XmlElement src, XmlElement filter) {
+ private static MatchingResult matches(XmlElement src, XmlElement filter) throws DocumentedException {
boolean tagMatch = src.getName().equals(filter.getName()) &&
src.getNamespaceOptionally().equals(filter.getNamespaceOptionally());
MatchingResult result = null;
// match text content
Optional<String> maybeText = filter.getOnlyTextContentOptionally();
if (maybeText.isPresent()) {
- if (maybeText.equals(src.getOnlyTextContentOptionally())) {
+ if (maybeText.equals(src.getOnlyTextContentOptionally()) || prefixedContentMatches(filter, src)) {
result = MatchingResult.CONTENT_MATCH;
} else {
result = MatchingResult.CONTENT_MISMATCH;
if (result == null) {
result = MatchingResult.NO_MATCH;
}
- logger.debug("Matching {} to {} resulted in {}", src, filter, tagMatch);
+ LOG.debug("Matching {} to {} resulted in {}", src, filter, result);
return result;
}
+ private static boolean prefixedContentMatches(final XmlElement filter, final XmlElement src) throws DocumentedException {
+ final Map.Entry<String, String> prefixToNamespaceOfFilter;
+ final Map.Entry<String, String> prefixToNamespaceOfSrc;
+ try {
+ prefixToNamespaceOfFilter = filter.findNamespaceOfTextContent();
+ prefixToNamespaceOfSrc = src.findNamespaceOfTextContent();
+ } catch (IllegalArgumentException e) {
+ //if we can't find namespace of prefix - it's not a prefix, so it doesn't match
+ return false;
+ }
+
+ final String prefix = prefixToNamespaceOfFilter.getKey();
+ // If this is not a prefixed content, we do not need to continue since content do not match
+ if (prefix.equals(XmlElement.DEFAULT_NAMESPACE_PREFIX)) {
+ return false;
+ }
+ // Namespace mismatch
+ if (!prefixToNamespaceOfFilter.getValue().equals(prefixToNamespaceOfSrc.getValue())) {
+ return false;
+ }
+
+ final String unprefixedFilterContent = filter.getTextContent().substring(prefixToNamespaceOfFilter.getKey().length() + 1);
+ final String unprefixedSrcContnet = src.getTextContent().substring(prefixToNamespaceOfSrc.getKey().length() + 1);
+ // Finally compare unprefixed content
+ return unprefixedFilterContent.equals(unprefixedSrcContnet);
+ }
+
enum MatchingResult {
NO_MATCH, TAG_MATCH, CONTENT_MATCH, CONTENT_MISMATCH
}