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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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10
spring-websocket/src/test/java/org/springframework/web/socket/messaging/StompTextMessageBuilder.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2016 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.
@@ -56,15 +56,15 @@ public class StompTextMessageBuilder {
}
public TextMessage build() {
StringBuilder sb = new StringBuilder(this.command.name()).append("\n");
StringBuilder sb = new StringBuilder(this.command.name()).append('\n');
for (String line : this.headerLines) {
sb.append(line).append("\n");
sb.append(line).append('\n');
}
sb.append("\n");
sb.append('\n');
if (this.body != null) {
sb.append(this.body);
}
sb.append("\u0000");
sb.append('\u0000');
return new TextMessage(sb.toString());
}