| Interface | Description | 
|---|---|
| BeanInfoCacheFactory<Key,Value> | A proxy interface to be used with Struts DI mechanism | 
| ExpressionCacheFactory<Key,Value> | A proxy interface to be used with Struts DI mechanism | 
| OgnlCache<Key,Value> | A basic cache interface for use with OGNL processing (such as Expression, BeanInfo). | 
| OgnlCacheFactory<Key,Value> | Used by  OgnlUtilto create appropriate OGNL
 caches based on configuration. | 
| Class | Description | 
|---|---|
| DefaultOgnlBeanInfoCacheFactory<Key,Value> | Default OGNL Cache factory implementation. | 
| DefaultOgnlCacheFactory<Key,Value> | Default OGNL Cache factory implementation. | 
| DefaultOgnlExpressionCacheFactory<Key,Value> | Default OGNL Expression Cache factory implementation. | 
| ErrorMessageBuilder | Helper class to build error messages. | 
| ObjectProxy | An Object to use within OGNL to proxy other Objects
 usually Collections that you set in a different place
 on the ValueStack but want to retain the context information
 about where they previously were. | 
| OgnlCaffeineCache<K,V> | This OGNL Cache implementation is backed by  Caffeinewhich uses the Window TinyLfu algorithm. | 
| OgnlDefaultCache<K,V> | Basic OGNL cache implementation. | 
| OgnlLRUCache<K,V> | A basic OGNL LRU cache implementation. | 
| OgnlNullHandlerWrapper | |
| OgnlReflectionContextFactory | |
| OgnlReflectionProvider | |
| OgnlTypeConverterWrapper | Wraps an XWork type conversion class for as an OGNL TypeConverter | 
| OgnlUtil | Utility class that provides common access to the Ognl APIs for
 setting and getting properties from objects (usually Actions). | 
| OgnlValueStack | Ognl implementation of a value stack that allows for dynamic Ognl expressions to be evaluated against it. | 
| OgnlValueStackFactory | Creates an Ognl value stack | 
| SecurityMemberAccess | Allows access decisions to be made on the basis of whether a member is static or not. | 
| XWorkTypeConverterWrapper | Wraps an OGNL TypeConverter as an XWork TypeConverter | 
| Enum | Description | 
|---|---|
| OgnlCacheFactory.CacheType | 
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