X-Git-Url: https://git.nmode.ca/signal-cli/blobdiff_plain/7443225d96fd830c8abb2afd49381f6b38ce5aec..c788c5a40e6ac57d613c735dd9790de52be47d5f:/src/main/java/org/asamk/signal/util/Hex.java

diff --git a/src/main/java/org/asamk/signal/util/Hex.java b/src/main/java/org/asamk/signal/util/Hex.java
index 9f885791..f7a870ca 100644
--- a/src/main/java/org/asamk/signal/util/Hex.java
+++ b/src/main/java/org/asamk/signal/util/Hex.java
@@ -9,10 +9,24 @@ public class Hex {
     private Hex() {
     }
 
+    public static String toString(byte[] bytes) {
+        if (bytes.length == 0) {
+            return "";
+        }
+
+        var buf = new StringBuffer();
+        for (final var aByte : bytes) {
+            appendHexChar(buf, aByte);
+            buf.append(" ");
+        }
+        buf.deleteCharAt(buf.length() - 1);
+        return buf.toString();
+    }
+
     public static String toStringCondensed(byte[] bytes) {
-        StringBuffer buf = new StringBuffer();
-        for (int i = 0; i < bytes.length; i++) {
-            appendHexChar(buf, bytes[i]);
+        var buf = new StringBuffer();
+        for (final var aByte : bytes) {
+            appendHexChar(buf, aByte);
         }
         return buf.toString();
     }
@@ -20,13 +34,12 @@ public class Hex {
     private static void appendHexChar(StringBuffer buf, int b) {
         buf.append(HEX_DIGITS[(b >> 4) & 0xf]);
         buf.append(HEX_DIGITS[b & 0xf]);
-        buf.append(" ");
     }
 
     public static byte[] toByteArray(String s) {
-        int len = s.length();
-        byte[] data = new byte[len / 2];
-        for (int i = 0; i < len; i += 2) {
+        var len = s.length();
+        var data = new byte[len / 2];
+        for (var i = 0; i < len; i += 2) {
             data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4) + Character.digit(s.charAt(i + 1), 16));
         }
         return data;