Thomas Heigl created WICKET-6952:
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Summary: Performance improvements for Strings.isEmpty
Key: WICKET-6952
URL: https://issues.apache.org/jira/browse/WICKET-6952
Project: Wicket
Issue Type: Improvement
Components: wicket-core
Affects Versions: 9.7.0
Reporter: Thomas Heigl
Assignee: Thomas Heigl
{{Strings.isEmpty}} is one of the most called methods in our application and
consistently shows up as hot in our production profiler.
Two simple performance optimizations can be tried:
- Overload the method with a {{String}} parameter, to help the JIT compiler
with it's decision to inline the method
- Avoid calling {{String.trim}} if the first character isn't whitespace
See https://github.com/apache/wicket/pull/497.
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