Merge "Fix sonar issues"

diff --combined src/main/java/org/onap/aai/modelloader/entity/model/ModelArtifact.java
index 73709f6,87823a6..c7631e8
--- 1/src/main/java/org/onap/aai/modelloader/entity/model/ModelArtifact.java
--- 2/src/main/java/org/onap/aai/modelloader/entity/model/ModelArtifact.java
+++ b/src/main/java/org/onap/aai/modelloader/entity/model/ModelArtifact.java
@@@ -286,8 -286,8 +286,9 @@@ public class ModelArtifact extends Abst
      private String nodeToString(Node node) throws TransformerException {
          StringWriter sw = new StringWriter();
          TransformerFactory transFact = TransformerFactory.newInstance();
+         transFact.setAttribute(XMLConstants.ACCESS_EXTERNAL_STYLESHEET, "");
          transFact.setAttribute(XMLConstants.ACCESS_EXTERNAL_DTD, "");
 +        transFact.setAttribute(XMLConstants.ACCESS_EXTERNAL_STYLESHEET, "");
          Transformer t = transFact.newTransformer();
          t.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
          t.transform(new DOMSource(node), new StreamResult(sw));