| Interface | Description | 
|---|---|
| OgnlGuard | Guards all expressions parsed by Struts Core. | 
| Class | Description | 
|---|---|
| ProviderAllowlist | Allows registration of classes that should be allowed to be used in OGNL expressions, using a key to identify the
 source of the allowlist. | 
| StrutsOgnlGuard | The default implementation of  OgnlGuard. | 
| ThreadAllowlist | Allows any bean to allowlist a class for use in OGNL expressions, for the current thread only. | 
Copyright © 2000–2025 Apache Software Foundation. All rights reserved.