[dubbo] branch master updated: 修复 CollectionUtils类toStringMap方法没有检查 pairs 参数是否为空. (#5102)

[crazyhzm]

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The following commit(s) were added to refs/heads/master by this push:
     new 0d09ef9  修复 CollectionUtils类toStringMap方法没有检查 pairs 参数是否为空. (#5102)
0d09ef9 is described below

commit 0d09ef9b5641c7f150e6c0f3471231db4a879bfd
Author: xiaoheng1 <2018154...@qq.com>
AuthorDate: Sun Sep 22 23:27:58 2019 +0800

    修复 CollectionUtils类toStringMap方法没有检查 pairs 参数是否为空. (#5102)
    
    * 修复 CollectionUtils类toStringMap方法没有检查 pairs 参数是否为空.
    Fixed #5100
    
    * 使用 ArrayUtils#isEmpty 方法检查 pairs 参数是否为空.
    Fixed #5100
---
 .../src/main/java/org/apache/dubbo/common/utils/CollectionUtils.java  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git 
a/dubbo-common/src/main/java/org/apache/dubbo/common/utils/CollectionUtils.java 
b/dubbo-common/src/main/java/org/apache/dubbo/common/utils/CollectionUtils.java
index 40baecd..4e924b3 100644
--- 
a/dubbo-common/src/main/java/org/apache/dubbo/common/utils/CollectionUtils.java
+++ 
b/dubbo-common/src/main/java/org/apache/dubbo/common/utils/CollectionUtils.java
@@ -173,6 +173,10 @@ public class CollectionUtils {
 
     public static Map<String, String> toStringMap(String... pairs) {
         Map<String, String> parameters = new HashMap<>();
+        if(ArrayUtils.isEmpty(pairs)){
+            return parameters;
+        }
+
         if (pairs.length > 0) {
             if (pairs.length % 2 != 0) {
                 throw new IllegalArgumentException("pairs must be even.");