Parse Xml Netconf msgs without defer-node-expansion option

[controller.git] / opendaylight / netconf / netconf-util / src / main / java / org / opendaylight / controller / netconf / util / xml / XmlUtil.java

diff --git a/opendaylight/netconf/netconf-util/src/main/java/org/opendaylight/controller/netconf/util/xml/XmlUtil.java b/opendaylight/netconf/netconf-util/src/main/java/org/opendaylight/controller/netconf/util/xml/XmlUtil.java
index 4ae65f31f72a6240e92d85be49e07c4f70b3115d..6408fce5d39b199c1105807619bf9e4e0198c4f6 100644 (file)
--- a/opendaylight/netconf/netconf-util/src/main/java/org/opendaylight/controller/netconf/util/xml/XmlUtil.java
+++ b/opendaylight/netconf/netconf-util/src/main/java/org/opendaylight/controller/netconf/util/xml/XmlUtil.java
@@ -55,6 +55,9 @@ public final class XmlUtil {
             factory.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
             factory.setXIncludeAware(false);
             factory.setExpandEntityReferences(false);
+            // Performance improvement for messages with size <10k according to
+            // https://xerces.apache.org/xerces2-j/faq-performance.html
+            factory.setFeature("http://apache.org/xml/features/dom/defer-node-expansion", false);
         } catch (ParserConfigurationException e) {
             throw new ExceptionInInitializerError(e);
         }