Merge "Use ImmutableNodes.fromInstanceId in netconf"
[controller.git] / opendaylight / netconf / netconf-impl / src / main / java / org / opendaylight / controller / netconf / impl / SubtreeFilter.java
index 8b2ca86010a06aa5c1b509bd617a08de72fd684a..566dfde7c3f3117f7c01af10655f4cf4c18bc453 100644 (file)
@@ -28,17 +28,9 @@ import org.xml.sax.SAXException;
  * 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);
+    private static final Logger LOG = 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");
-        }
-
         OperationNameAndNamespace operationNameAndNamespace = new OperationNameAndNamespace(requestDocument);
         if (XmlNetconfConstants.URN_IETF_PARAMS_XML_NS_NETCONF_BASE_1_0.equals(operationNameAndNamespace.getNamespace()) &&
                 XmlNetconfConstants.GET.equals(operationNameAndNamespace.getOperationName()) ||
@@ -47,16 +39,26 @@ public class SubtreeFilter {
             // 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 NetconfDocumentedException("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
     }
 
@@ -160,7 +162,7 @@ public class SubtreeFilter {
         if (result == null) {
             result = MatchingResult.NO_MATCH;
         }
-        logger.debug("Matching {} to {} resulted in {}", src, filter, result);
+        LOG.debug("Matching {} to {} resulted in {}", src, filter, result);
         return result;
     }