package org.opendaylight.controller.netconf.util.messages;
-import org.opendaylight.controller.netconf.api.NetconfMessage;
-
+import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.Sets;
import java.util.Set;
-
import org.opendaylight.controller.netconf.api.NetconfDocumentedException;
+import org.opendaylight.controller.netconf.api.NetconfMessage;
import org.opendaylight.controller.netconf.api.xml.XmlNetconfConstants;
import org.opendaylight.controller.netconf.util.exception.MissingNameSpaceException;
import org.opendaylight.controller.netconf.util.xml.XmlElement;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
-import com.google.common.collect.Sets;
-
/**
* NetconfMessage that can carry additional header with session metadata. See {@link org.opendaylight.controller.netconf.util.messages.NetconfHelloMessageAdditionalHeader}
*/
private static boolean isHelloMessage(final Document document) {
XmlElement element = XmlElement.fromDomElement(document.getDocumentElement());
try {
+ // accept even if hello has no namespace
return element.getName().equals(HELLO_TAG) &&
- element.hasNamespace() &&
- element.getNamespace().equals(XmlNetconfConstants.URN_IETF_PARAMS_XML_NS_NETCONF_BASE_1_0);
+ (!element.hasNamespace() || element.getNamespace().equals(XmlNetconfConstants.URN_IETF_PARAMS_XML_NS_NETCONF_BASE_1_0));
} catch (MissingNameSpaceException e) {
// Cannot happen, since we check for hasNamespace
throw new IllegalStateException(e);