public interface FilterConfig
Filter| Modifier and Type | Method and Description | 
|---|---|
| java.lang.String | getFilterName()Returns the filter-name of this filter as defined in the deployment descriptor. | 
| java.lang.String | getInitParameter(java.lang.String name)Returns a  Stringcontaining the value of the named initialization parameter, ornullif the
 initialization parameter does not exist. | 
| java.util.Enumeration<java.lang.String> | getInitParameterNames()Returns the names of the filter's initialization parameters as an  EnumerationofStringobjects, or an emptyEnumerationif the filter has no initialization parameters. | 
| ServletContext | getServletContext()Returns a reference to the  ServletContextin which the caller is executing. | 
java.lang.String getFilterName()
ServletContext getServletContext()
ServletContext in which the caller is executing.ServletContext object, used by the caller to interact with its servlet containerServletContextjava.lang.String getInitParameter(java.lang.String name)
String containing the value of the named initialization parameter, or null if the
 initialization parameter does not exist.name - a String specifying the name of the initialization parameterString containing the value of the initialization parameter, or null if the
 initialization parameter does not existjava.util.Enumeration<java.lang.String> getInitParameterNames()
Enumeration of String
 objects, or an empty Enumeration if the filter has no initialization parameters.Enumeration of String objects containing the names of the filter's
 initialization parameters