Jasper Rosenberg created WW-4488:
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Summary: Improve performance of DefaultExcludedPatternsChecker
Key: WW-4488
URL: https://issues.apache.org/jira/browse/WW-4488
Project: Struts 2
Issue Type: Improvement
Components: Core Interceptors
Affects Versions: 2.3.23, 2.3.20
Reporter: Jasper Rosenberg
Priority: Trivial
The current set of patterns can be consolidated without sacrificing readability
for a significant gain in efficiency. I ran both sets of equivalent patterns
against the three test methods in DefaultExcludedPatternsCheckerTest 100,000
times, and the consolidated pattern was 3 times faster.
{code:java}
public static final String[] EXCLUDED_PATTERNS = {
"(.*\\.|^|.*|\\[('|\"))\\bclass(\\.|('|\")]|\\[).*",
"(^|.*#)(dojo|struts|session|request|application|servlet(Request|Response)"
+ "|parameters|context|_memberAccess)(\\.|\\[).*"
};
{code}
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