| Package | Description | 
|---|---|
| com.opensymphony.xwork2 | Main XWork interfaces and classes. | 
| com.opensymphony.xwork2.validator | XWork validation subsystem. | 
| com.opensymphony.xwork2.validator.validators | XWork default validator classes. | 
| org.apache.struts2.components | |
| org.apache.struts2.interceptor.validation | 
| Class and Description | 
|---|
| Validator | 
| Class and Description | 
|---|
| ActionValidatorManager ActionValidatorManager is the main interface for validation managers (regular and annotation based). | 
| DefaultActionValidatorManager 
 This is the entry point into XWork's rule-based validation framework. | 
| ValidationException ValidationException. | 
| Validator | 
| ValidatorConfig Holds the necessary information for configuring an instance of a Validator. | 
| ValidatorConfig.Builder Builds a ValidatorConfig | 
| ValidatorContext The context for validation. | 
| ValidatorFactory ValidatorFactory | 
| ValidatorFileParser This class serves 2 purpose :
 
 
 Parse the validation config file. | 
| Class and Description | 
|---|
| ActionValidatorManager ActionValidatorManager is the main interface for validation managers (regular and annotation based). | 
| DelegatingValidatorContext A default implementation of the  ValidatorContextinterface. | 
| FieldValidator The FieldValidator interface defines the methods to be implemented by FieldValidators. | 
| ShortCircuitableValidator This interface should be implemented by validators that can short-circuit the validator queue
 that it is in. | 
| ValidationException ValidationException. | 
| Validator | 
| ValidatorContext The context for validation. | 
| Class and Description | 
|---|
| ActionValidatorManager ActionValidatorManager is the main interface for validation managers (regular and annotation based). | 
| FieldValidator The FieldValidator interface defines the methods to be implemented by FieldValidators. | 
| ValidationException ValidationException. | 
| Validator | 
| ValidatorContext The context for validation. | 
| Class and Description | 
|---|
| ValidationInterceptor | 
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