From 254ab9a25ab9b0c1445712ce780924306fb39a38 Mon Sep 17 00:00:00 2001
From: redkale <redkale@qq.com>
Date: Mon, 19 Aug 2024 19:47:38 +0800
Subject: [PATCH] ByteTuple

---
 src/main/java/org/redkale/util/ByteArray.java |  4 +++-
 src/main/java/org/redkale/util/ByteTuple.java | 18 ++++++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/redkale/util/ByteArray.java b/src/main/java/org/redkale/util/ByteArray.java
index 7ba9b9422..c7f238bfa 100644
--- a/src/main/java/org/redkale/util/ByteArray.java
+++ b/src/main/java/org/redkale/util/ByteArray.java
@@ -23,6 +23,8 @@ import org.redkale.annotation.Nullable;
  */
 public final class ByteArray implements ByteTuple {
 
+    static final byte[] EMPTY_BYTES = new byte[0];
+
     private byte[] content;
 
     private int count;
@@ -431,7 +433,7 @@ public final class ByteArray implements ByteTuple {
      */
     public byte[] getBytes(int offset, int length) {
         if (length < 1) {
-            return new byte[0];
+            return EMPTY_BYTES;
         }
         byte[] bs = new byte[length];
         System.arraycopy(this.content, offset, bs, 0, length);
diff --git a/src/main/java/org/redkale/util/ByteTuple.java b/src/main/java/org/redkale/util/ByteTuple.java
index a90558897..797dd9e6c 100644
--- a/src/main/java/org/redkale/util/ByteTuple.java
+++ b/src/main/java/org/redkale/util/ByteTuple.java
@@ -27,4 +27,22 @@ public interface ByteTuple {
         int o = offset();
         return Arrays.copyOfRange(content(), o, o + length());
     }
+
+    public static final ByteTuple EMPTY = new ByteTuple() {
+
+        @Override
+        public byte[] content() {
+            return ByteArray.EMPTY_BYTES;
+        }
+
+        @Override
+        public int offset() {
+            return 0;
+        }
+
+        @Override
+        public int length() {
+            return 0;
+        }
+    };
 }