X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=restapi-call-node%2Fprovider%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Fccsdk%2Fsli%2Fplugins%2Frestapicall%2FXmlJsonUtil.java;h=b94f0a638d61f8c3ab688053605c03dacc926feb;hb=02e1594ffee2231523d0486a5d8b590ff09581df;hp=e80ca50818334374e1e05471d09f05c303b36122;hpb=8157702b387b11e942614108d56ee9b8826c772a;p=ccsdk%2Fsli%2Fplugins.git

diff --git a/restapi-call-node/provider/src/main/java/org/onap/ccsdk/sli/plugins/restapicall/XmlJsonUtil.java b/restapi-call-node/provider/src/main/java/org/onap/ccsdk/sli/plugins/restapicall/XmlJsonUtil.java
index e80ca508..b94f0a63 100644
--- a/restapi-call-node/provider/src/main/java/org/onap/ccsdk/sli/plugins/restapicall/XmlJsonUtil.java
+++ b/restapi-call-node/provider/src/main/java/org/onap/ccsdk/sli/plugins/restapicall/XmlJsonUtil.java
@@ -29,10 +29,14 @@ import java.util.Map;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-public class XmlJsonUtil {
+public final class XmlJsonUtil {
 
     private static final Logger log = LoggerFactory.getLogger(XmlJsonUtil.class);
 
+    private XmlJsonUtil() {
+        // Preventing instantiation of the same.
+    }
+
     public static String getXml(Map<String, String> varmap, String var) {
         boolean escape = true;
         if (var.startsWith("'")) {
@@ -99,7 +103,7 @@ public class XmlJsonUtil {
                 try {
                     length = Integer.parseInt(lengthStr);
                 } catch (Exception e) {
-                    log.warn("Invalid number for " + var + "_length:" + lengthStr);
+                    log.warn("Invalid number for {}_length:{}", var, lengthStr);
                 }
             }
 
@@ -364,9 +368,9 @@ public class XmlJsonUtil {
     }
 
     private static String pad(int n) {
-        String s = "";
+        StringBuilder s = new StringBuilder();
         for (int i = 0; i < n; i++)
-            s += Character.toString('\t');
-        return s;
+            s.append(Character.toString('\t'));
+        return s.toString();
     }
 }