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Use StringBuilder.append(char) where possible

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To slightly improve performance, this commit switches to
StringBuilder.append(char) instead of StringBuilder.append(String)
whenever we append a single character to a StringBuilder.

Closes gh-27098
This commit is contained in:
Sam Brannen
2021-06-24 18:53:51 +02:00
parent ddbb7c1b5b
commit a2ef6badc4
74 changed files with 232 additions and 220 deletions
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4
spring-messaging/src/test/java/org/springframework/messaging/simp/stomp/StompHeaderAccessorTests.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2019 the original author or authors.
* Copyright 2002-2021 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -241,7 +241,7 @@ public class StompHeaderAccessorTests {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < 80; i++) {
sb.append("a");
sb.append('a');
}
final String payload = sb.toString() + " > 80";
actual = accessor.getShortLogMessage(payload.getBytes(StandardCharsets.UTF_8));

6
spring-messaging/src/test/java/org/springframework/messaging/support/MessageHeaderAccessorTests.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2020 the original author or authors.
* Copyright 2002-2021 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -320,7 +320,7 @@ public class MessageHeaderAccessorTests {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < 80; i++) {
sb.append("a");
sb.append('a');
}
final String payload = sb.toString() + " > 80";
@@ -356,7 +356,7 @@ public class MessageHeaderAccessorTests {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < 80; i++) {
sb.append("a");
sb.append('a');
}
final String payload = sb.toString() + " > 80";