Package javax.servlet
Interface FilterConfig
- 
- All Known Implementing Classes:
- GenericFilter,- HttpFilter
 
 public interface FilterConfigA filter configuration object used by a servlet container to pass information to a filter during initialization.- Since:
- Servlet 2.3
- See Also:
- Filter
 
- 
- 
Method SummaryAll Methods Instance Methods Abstract Methods Modifier and Type Method Description java.lang.StringgetFilterName()Get the name of the filter.java.lang.StringgetInitParameter(java.lang.String name)Returns aStringcontaining the value of the named initialization parameter, ornullif the parameter does not exist.java.util.Enumeration<java.lang.String>getInitParameterNames()Returns the names of the filter's initialization parameters as anEnumerationofStringobjects, or an emptyEnumerationif the filter has no initialization parameters.ServletContextgetServletContext()Returns a reference to theServletContextin which the caller is executing.
 
- 
- 
- 
Method Detail- 
getFilterNamejava.lang.String getFilterName() Get the name of the filter.- Returns:
- The filter-name of this filter as defined in the deployment descriptor.
 
 - 
getServletContextServletContext getServletContext() Returns a reference to theServletContextin which the caller is executing.- Returns:
- ServletContextobject, used by the caller to interact with its servlet container
- See Also:
- ServletContext
 
 - 
getInitParameterjava.lang.String getInitParameter(java.lang.String name) Returns aStringcontaining the value of the named initialization parameter, ornullif the parameter does not exist.- Parameters:
- name-- Stringspecifying the name of the initialization parameter
- Returns:
- Stringcontaining the value of the initialization parameter
 
 - 
getInitParameterNamesjava.util.Enumeration<java.lang.String> getInitParameterNames() Returns the names of the filter's initialization parameters as anEnumerationofStringobjects, or an emptyEnumerationif the filter has no initialization parameters.- Returns:
- Enumerationof- Stringobjects containing the names of the filter's initialization parameters
 
 
- 
 
-