From 9a32bb501743b8992f14b642e7435fe18e9cc3ec Mon Sep 17 00:00:00 2001
From: "jon.chambers@gmail.com"
 <jon.chambers@gmail.com@b68fe964-5755-0410-a06c-9fee2ea08261>
Date: Sat, 10 Aug 2013 03:34:33 +0000
Subject: [PATCH] Cached original string length in JSONValue#escape to avoid
 repeated calls to String#length.

---
 src/main/java/org/json/simple/JSONValue.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/json/simple/JSONValue.java b/src/main/java/org/json/simple/JSONValue.java
index 3658cfe..1183aa9 100644
--- a/src/main/java/org/json/simple/JSONValue.java
+++ b/src/main/java/org/json/simple/JSONValue.java
@@ -321,7 +321,8 @@ public class JSONValue {
      * @param sb
      */
     static void escape(String s, StringBuffer sb) {
-		for(int i=0;i<s.length();i++){
+    	final int len = s.length();
+		for(int i=0;i<len;i++){
 			char ch=s.charAt(i);
 			switch(ch){
 			case '"':