From 6ba9ef00f6bf1173b4ed74de9b37d3d71cd88d28 Mon Sep 17 00:00:00 2001
From: Yangki Zhang <yangkizhang@gmail.com>
Date: Mon, 19 Nov 2018 18:51:51 +0800
Subject: [PATCH] [REFACTOR]:[fix typo] (#2804)

fix typos
---
 .../src/main/java/org/apache/dubbo/common/Version.java    | 8 ++++----
 .../java/org/apache/dubbo/common/version/VersionTest.java | 8 ++++----
 .../org/apache/dubbo/rpc/protocol/dubbo/DubboCodec.java   | 2 +-
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/dubbo-common/src/main/java/org/apache/dubbo/common/Version.java b/dubbo-common/src/main/java/org/apache/dubbo/common/Version.java
index 983cbb98e1dc..5c0ab763a70c 100644
--- a/dubbo-common/src/main/java/org/apache/dubbo/common/Version.java
+++ b/dubbo-common/src/main/java/org/apache/dubbo/common/Version.java
@@ -41,9 +41,9 @@ public final class Version {
 
     /**
      * For protocol compatibility purpose.
-     * Because {@link #isSupportResponseAttatchment} is checked for every call, int compare expect to has higher performance than string.
+     * Because {@link #isSupportResponseAttachment} is checked for every call, int compare expect to has higher performance than string.
      */
-    private static final int LOWEST_VERSION_FOR_RESPONSE_ATTATCHMENT = 20002; // 2.0.2
+    private static final int LOWEST_VERSION_FOR_RESPONSE_ATTACHMENT = 20002; // 2.0.2
     private static final Map<String, Integer> VERSION2INT = new HashMap<String, Integer>();
 
     static {
@@ -62,7 +62,7 @@ public static String getVersion() {
         return VERSION;
     }
 
-    public static boolean isSupportResponseAttatchment(String version) {
+    public static boolean isSupportResponseAttachment(String version) {
         if (version == null || version.length() == 0) {
             return false;
         }
@@ -72,7 +72,7 @@ public static boolean isSupportResponseAttatchment(String version) {
             return false;
         }
 
-        return iVersion >= LOWEST_VERSION_FOR_RESPONSE_ATTATCHMENT;
+        return iVersion >= LOWEST_VERSION_FOR_RESPONSE_ATTACHMENT;
     }
 
     public static int getIntVersion(String version) {
diff --git a/dubbo-common/src/test/java/org/apache/dubbo/common/version/VersionTest.java b/dubbo-common/src/test/java/org/apache/dubbo/common/version/VersionTest.java
index d03e69855ea3..a129f53e58c9 100644
--- a/dubbo-common/src/test/java/org/apache/dubbo/common/version/VersionTest.java
+++ b/dubbo-common/src/test/java/org/apache/dubbo/common/version/VersionTest.java
@@ -30,9 +30,9 @@ public void testGetProtocolVersion() {
     }
 
     @Test
-    public void testSupportResponseAttatchment() {
-        Assert.assertTrue(Version.isSupportResponseAttatchment("2.0.2"));
-        Assert.assertTrue(Version.isSupportResponseAttatchment("2.0.3"));
-        Assert.assertFalse(Version.isSupportResponseAttatchment("2.0.0"));
+    public void testSupportResponseAttachment() {
+        Assert.assertTrue(Version.isSupportResponseAttachment("2.0.2"));
+        Assert.assertTrue(Version.isSupportResponseAttachment("2.0.3"));
+        Assert.assertFalse(Version.isSupportResponseAttachment("2.0.0"));
     }
 }
diff --git a/dubbo-rpc/dubbo-rpc-dubbo/src/main/java/org/apache/dubbo/rpc/protocol/dubbo/DubboCodec.java b/dubbo-rpc/dubbo-rpc-dubbo/src/main/java/org/apache/dubbo/rpc/protocol/dubbo/DubboCodec.java
index 60b36ee681f9..d6a8e14ed390 100644
--- a/dubbo-rpc/dubbo-rpc-dubbo/src/main/java/org/apache/dubbo/rpc/protocol/dubbo/DubboCodec.java
+++ b/dubbo-rpc/dubbo-rpc-dubbo/src/main/java/org/apache/dubbo/rpc/protocol/dubbo/DubboCodec.java
@@ -191,7 +191,7 @@ protected void encodeRequestData(Channel channel, ObjectOutput out, Object data,
     protected void encodeResponseData(Channel channel, ObjectOutput out, Object data, String version) throws IOException {
         Result result = (Result) data;
         // currently, the version value in Response records the version of Request
-        boolean attach = Version.isSupportResponseAttatchment(version);
+        boolean attach = Version.isSupportResponseAttachment(version);
         Throwable th = result.getException();
         if (th == null) {
             Object ret = result.getValue();