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kusal pushed a commit to branch WW-5337-exclusion-performance
in repository https://gitbox.apache.org/repos/asf/struts.git

commit e53dd7dd5e8f0f8d9aa3244180cb6394bb00ed07
Author: Kusal Kithul-Godage <g...@kusal.io>
AuthorDate: Mon Aug 21 23:34:47 2023 +1000

    WW-5337 Make #isClassExcluded (semantics changes) and 
#isExcludedPackageExempt constant time
---
 .../java/com/opensymphony/xwork2/ognl/SecurityMemberAccess.java     | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git 
a/core/src/main/java/com/opensymphony/xwork2/ognl/SecurityMemberAccess.java 
b/core/src/main/java/com/opensymphony/xwork2/ognl/SecurityMemberAccess.java
index d90e58308..3b870dedd 100644
--- a/core/src/main/java/com/opensymphony/xwork2/ognl/SecurityMemberAccess.java
+++ b/core/src/main/java/com/opensymphony/xwork2/ognl/SecurityMemberAccess.java
@@ -251,14 +251,14 @@ public class SecurityMemberAccess implements MemberAccess 
{
     }
 
     protected boolean isClassExcluded(Class<?> clazz) {
-        if (clazz == Object.class || (clazz == Class.class && 
!allowStaticFieldAccess)) {
+        if (clazz == Class.class && !allowStaticFieldAccess) {
             return true;
         }
-        return excludedClasses.stream().anyMatch(clazz::isAssignableFrom);
+        return excludedClasses.contains(clazz);
     }
 
     protected boolean isExcludedPackageExempt(Class<?> clazz) {
-        return excludedPackageExemptClasses.stream().anyMatch(clazz::equals);
+        return excludedPackageExemptClasses.contains(clazz);
     }
 
     protected boolean isAcceptableProperty(String name) {

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