From d4d01ba52c8c4c57f53386ae6e6505f91349772d Mon Sep 17 00:00:00 2001
From: Trustin Lee <trustin@gmail.com>
Date: Wed, 27 Feb 2013 14:31:29 -0800
Subject: [PATCH] Optimize SlicedByteBuf a little bit

---
 .../src/main/java/io/netty/buffer/SlicedByteBuf.java   | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/buffer/src/main/java/io/netty/buffer/SlicedByteBuf.java b/buffer/src/main/java/io/netty/buffer/SlicedByteBuf.java
index ef03fcd936..7af19a8e91 100644
--- a/buffer/src/main/java/io/netty/buffer/SlicedByteBuf.java
+++ b/buffer/src/main/java/io/netty/buffer/SlicedByteBuf.java
@@ -38,14 +38,8 @@ public class SlicedByteBuf extends AbstractDerivedByteBuf {
 
     public SlicedByteBuf(ByteBuf buffer, int index, int length) {
         super(length);
-        if (index < 0 || index > buffer.capacity()) {
-            throw new IndexOutOfBoundsException("Invalid index of " + index
-                    + ", maximum is " + buffer.capacity());
-        }
-
-        if (index + length > buffer.capacity()) {
-            throw new IndexOutOfBoundsException("Invalid combined index of "
-                    + (index + length) + ", maximum is " + buffer.capacity());
+        if (index < 0 || index > buffer.capacity() - length) {
+            throw new IndexOutOfBoundsException(buffer.toString() + ".slice(" + index + ", " + length + ')');
         }
 
         if (buffer instanceof SlicedByteBuf) {