Test coverage and refactor for GeneratorUtil

Added tests and made GeneratorUtil final class

Change-Id: I3e9b3fa22dff5c50fa37ad10ba0ddd8b9bbef2d9
Issue-ID: AAI-1334
Signed-off-by: awudzins <adam.wudzinski@nokia.com>

1 files changed, 3 insertions, 5 deletions

diff --git a/src/main/java/org/onap/aai/babel/xml/generator/data/GeneratorUtil.java b/src/main/java/org/onap/aai/babel/xml/generator/data/GeneratorUtil.java
index 2405d4d..69a4c43 100644
--- a/src/main/java/org/onap/aai/babel/xml/generator/data/GeneratorUtil.java
+++ b/src/main/java/org/onap/aai/babel/xml/generator/data/GeneratorUtil.java
@@ -24,14 +24,12 @@ import java.util.Base64;
 import org.apache.commons.codec.digest.DigestUtils;
 
 /** Utility method class for artifact generation. */
-public class GeneratorUtil {
+public final class GeneratorUtil {
 
     /*
      * Private constructor to prevent instantiation
      */
-    private GeneratorUtil() {
-        throw new UnsupportedOperationException("This static class should not be instantiated!");
-    }
+    private GeneratorUtil() {}
 
     /**
      * Decodes Base64 encode byte array input.
@@ -39,7 +37,7 @@ public class GeneratorUtil {
      * @param input Base64 encoded byte array
      * @return Decoded byte array
      */
-    public static byte[] decoder(byte[] input) {
+    public static byte[] decode(byte[] input) {
         return input != null ? Base64.getDecoder().decode(input) : new byte[0];
     }