Package jakarta.servlet
Interface FilterConfig
- All Known Implementing Classes:
- GenericFilter,- HttpFilter
public interface FilterConfig
A filter configuration object used by a servlet container to pass information to a filter during initialization.
- Since:
- Servlet 2.3
- See Also:
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Method SummaryModifier and TypeMethodDescriptionGet the name of the filter.getInitParameter(String name) Returns aStringcontaining the value of the named initialization parameter, ornullif the parameter does not exist.Returns the names of the filter's initialization parameters as anEnumerationofStringobjects, or an emptyEnumerationif the filter has no initialization parameters.Returns a reference to theServletContextin which the caller is executing.
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Method Details- 
getFilterNameString getFilterName()Get the name of the filter.- Returns:
- The filter-name of this filter as defined in the deployment descriptor.
 
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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:
 
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getInitParameterReturns 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
 
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getInitParameterNamesEnumeration<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
 
 
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