Improved exception messages in MqttVersion (netty#11228)

terrarier2111 · 夏无影 · commit 966d0454fd1c · 2022-07-08T09:57:36.000+08:00
Motivation:
When checking the latest commit i saw some bad exception messages in MqttVersion hence i improved them.

Modification:

Improved exception messages in MqttVersion.

Result:

Better exception messages in MqttVersion.
diff --git a/codec-mqtt/src/main/java/io/netty/handler/codec/mqtt/MqttVersion.java b/codec-mqtt/src/main/java/io/netty/handler/codec/mqtt/MqttVersion.java
@@ -63,11 +63,11 @@ public static MqttVersion fromProtocolNameAndLevel(String protocolName, byte pro
             break;
         }
         if (mv == null) {
-            throw new MqttUnacceptableProtocolVersionException(protocolName + "is unknown protocol name");
+            throw new MqttUnacceptableProtocolVersionException(protocolName + " is an unknown protocol name");
         }
         if (mv.name.equals(protocolName)) {
             return mv;
         }
-        throw new MqttUnacceptableProtocolVersionException(protocolName + " and " + protocolLevel + " are not match");
+        throw new MqttUnacceptableProtocolVersionException(protocolName + " and " + protocolLevel + " don't match");
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -63,11 +63,11 @@ public static MqttVersion fromProtocolNameAndLevel(String protocolName, byte pro`
`63`	`63`	`break;`
`64`	`64`	`}`
`65`	`65`	`if (mv == null) {`
`66`		`- throw new MqttUnacceptableProtocolVersionException(protocolName + "is unknown protocol name");`
	`66`	`+ throw new MqttUnacceptableProtocolVersionException(protocolName + " is an unknown protocol name");`
`67`	`67`	`}`
`68`	`68`	`if (mv.name.equals(protocolName)) {`
`69`	`69`	`return mv;`
`70`	`70`	`}`
`71`		`- throw new MqttUnacceptableProtocolVersionException(protocolName + " and " + protocolLevel + " are not match");`
	`71`	`+ throw new MqttUnacceptableProtocolVersionException(protocolName + " and " + protocolLevel + " don't match");`
`72`	`72`	`}`
`73`	`73`	`}`