From 4517f40f57df6ee5ef339d21b135ba4b79ffa4e9 Mon Sep 17 00:00:00 2001
From: www <rupertwong@163.com>
Date: Sun, 24 Mar 2019 18:57:06 +0800
Subject: [PATCH] Remove redundant 'String.substring()' call

---
 .../springframework/web/util/HtmlCharacterEntityDecoder.java  | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/spring-web/src/main/java/org/springframework/web/util/HtmlCharacterEntityDecoder.java b/spring-web/src/main/java/org/springframework/web/util/HtmlCharacterEntityDecoder.java
index 54bca57f3d8..2277edfff3a 100644
--- a/spring-web/src/main/java/org/springframework/web/util/HtmlCharacterEntityDecoder.java
+++ b/spring-web/src/main/java/org/springframework/web/util/HtmlCharacterEntityDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -95,7 +95,7 @@ class HtmlCharacterEntityDecoder {
 			int skipUntilIndex = (this.nextPotentialReferencePosition != -1 ?
 					this.nextPotentialReferencePosition : this.originalMessage.length());
 			if (skipUntilIndex - this.currentPosition > 3) {
-				this.decodedMessage.append(this.originalMessage.substring(this.currentPosition, skipUntilIndex));
+				this.decodedMessage.append(this.originalMessage, this.currentPosition, skipUntilIndex);
 				this.currentPosition = skipUntilIndex;
 			}
 			else {