From f27315b928deb9bfe809ce33a897e9ea6499d985 Mon Sep 17 00:00:00 2001
From: yuankui <kui.yuan@fraudmetrix.cn>
Date: Fri, 7 Aug 2015 23:34:04 +0800
Subject: [PATCH] fix multi thread permformance issue

---
 src/main/java/com/alibaba/fastjson/util/ASMUtils.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/alibaba/fastjson/util/ASMUtils.java b/src/main/java/com/alibaba/fastjson/util/ASMUtils.java
index d3c45e747..0610aac94 100755
--- a/src/main/java/com/alibaba/fastjson/util/ASMUtils.java
+++ b/src/main/java/com/alibaba/fastjson/util/ASMUtils.java
@@ -11,6 +11,8 @@ import com.alibaba.fastjson.parser.JSONToken;
 import com.alibaba.fastjson.parser.deserializer.ObjectDeserializer;
 
 public class ASMUtils {
+
+    public static final String JAVA_VM_NAME = System.getProperty("java.vm.name");
 	
     public static boolean isAndroid(String vmName) {
         if (vmName == null) { // default is false
@@ -25,7 +27,7 @@ public class ASMUtils {
     }
 
     public static boolean isAndroid() {
-        return isAndroid(System.getProperty("java.vm.name"));
+        return isAndroid(JAVA_VM_NAME);
     }
 
     public static String getDesc(Method method) {