Add Base64ToHexa function

Author: sgrampone

gamutils/src/main/java/com/genexus/gam/GamUtilsEO.java

@@ -93,5 +93,7 @@ public static String base64ToBase64Url(String base64) {
 
 	public static String fromBase64Url(String base64) { return Encoding.fromBase64Url(base64); }
 
+	public static String base64ToHexa(String base64) { return Encoding.base64ToHexa(base64); }
+
 	/********EXTERNAL OBJECT PUBLIC METHODS  - END ********/
 }

gamutils/src/main/java/com/genexus/gam/utils/Encoding.java

@@ -59,4 +59,16 @@ public static String fromBase64Url(String base64Url)
 			return "";
 		}
 	}
+
+	public static String base64ToHexa(String base64)
+	{
+		logger.debug("base64ToHexa");
+		try{
+			return Hex.toHexString(Base64.decode(base64));
+		}catch (Exception e)
+		{
+			logger.error("base64ToHexa", e);
+			return "";
+		}
+	}
 }