test/testlibrary/com/oracle/java/testlibrary/Utils.java

rev 6205 : imported patch 8038953

*** 292,297 ****
--- 292,316 ----
              }
          }
          return output;
      }
  
+     private static final char[] hexArray = new char[]{'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
+ 
+     /**
+      * Returns hex view of byte array
+      *
+      * @param bytes byte array to process
+      * @return Space separated hexadecimal string representation of bytes
+      */
+ 
+     public static String toHexString(byte[] bytes) {
+         char[] hexView = new char[bytes.length * 3];
+         int i = 0;
+         for (byte b : bytes) {
+             hexView[i++] = hexArray[(b >> 4) & 0x0F];
+             hexView[i++] = hexArray[b & 0x0F];
+             hexView[i++] = ' ';
+         }
+         return new String(hexView);
+     }
  }