From 2b27696457822c18c518a646000ae3ce21bb699a Mon Sep 17 00:00:00 2001
From: "ding.lid" <ding.lid@1a56cb94-b969-4eaa-88fa-be21384802f2>
Date: Fri, 21 Oct 2011 05:45:27 +0000
Subject: [PATCH] =?UTF-8?q?addParameter=E6=97=B6=EF=BC=8CNull=20value=20?=
 =?UTF-8?q?=E4=B8=8D=E5=AD=98=E5=85=A5?=
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git-svn-id: http://code.alibabatech.com/svn/dubbo/trunk@33 1a56cb94-b969-4eaa-88fa-be21384802f2
---
 dubbo-common/src/main/java/com/alibaba/dubbo/common/URL.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dubbo-common/src/main/java/com/alibaba/dubbo/common/URL.java b/dubbo-common/src/main/java/com/alibaba/dubbo/common/URL.java
index 54c95347b8..2d07f8be4c 100644
--- a/dubbo-common/src/main/java/com/alibaba/dubbo/common/URL.java
+++ b/dubbo-common/src/main/java/com/alibaba/dubbo/common/URL.java
@@ -202,6 +202,7 @@ public final class URL implements Serializable {
     }
     
     public URL addParameterAndEncoded(String key, String value) {
+        if(value == null || value.length() == 0) return this;
         try {
             value = URLEncoder.encode(value, "UTF-8");
         } catch (UnsupportedEncodingException e) {
@@ -243,14 +244,17 @@ public final class URL implements Serializable {
     }
     
     public URL addParameter(String key, Enum<?> value) {
+        if(value == null) return this;
         return addParameter(key, String.valueOf(value));
     }
     
     public URL addParameter(String key, Number value) {
+        if(value == null) return this;
         return addParameter(key, String.valueOf(value));
     }
 
     public URL addParameter(String key, CharSequence value) {
+        if(value == null || value.length() == 0) return this;
         return addParameter(key, String.valueOf(value));
     }