Refactor tostring

Author: patrickfav

src/main/java/at/favre/lib/bytes/Bytes.java

@@ -1349,7 +1349,6 @@ public double toDouble() {
         return resize(8).internalBuffer().getDouble();
     }
 
-
     /**
      * Compares this bytes instance to another.
      * <p>
@@ -1415,16 +1414,7 @@ public int hashCode() {
      */
     @Override
     public String toString() {
-        String preview;
-        if (isEmpty()) {
-            preview = "";
-        } else if (length() > 8) {
-            preview = "(0x" + copy(0, 4).encodeHex() + "..." + copy(length() - 4, 4).encodeHex() + ")";
-        } else {
-            preview = "(0x" + encodeHex() + ")";
-        }
-
-        return length() + " bytes " + preview;
+        return Util.toString(this);
     }
 
     @Override

src/main/java/at/favre/lib/bytes/Util.java

@@ -325,6 +325,25 @@ static byte[] readFromFile(File file) {
         }
     }
 
+    /**
+     * Shows the length and a preview of max 8 bytes of the given byte
+     *
+     * @param bytes to convert to string
+     * @return string representation
+     */
+    static String toString(Bytes bytes) {
+        String preview;
+        if (bytes.isEmpty()) {
+            preview = "";
+        } else if (bytes.length() > 8) {
+            preview = "(0x" + bytes.copy(0, 4).encodeHex() + "..." + bytes.copy(bytes.length() - 4, 4).encodeHex() + ")";
+        } else {
+            preview = "(0x" + bytes.encodeHex() + ")";
+        }
+
+        return bytes.length() + " bytes " + preview;
+    }
+
     /*
     =================================================================================================
      Copyright 2011 Twitter, Inc.