Struts

Introduction:

The ActionSupport class implements the Validatable and ValidationAware interface and some other interface then inherit the functionality of these interface.

Class/Library File Descriptions:

The application developer extends ActionSupport class then inherits the all functionality of Validatable ,ValidationAware ,Action and TextProvider interface.

TextProvider:

The TextProvider interface provides methods for obtaining values of properties file as well as methods of loading locale specific properties file.It is used in I18N

Action:

The Action interface doesn’t contain any method. It defines only some static final String constants name as

• =>SUCCESS
• =>FAILURE
• =>INPUT
• =>ERROR

Which can be used in action for standard coding.