javax.servlet
Interface FilterConfig

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:

Filter

Method Summary

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 String containing the value of the named initialization parameter, or null if the initialization parameter does not exist.
java.util.Enumeration<java.lang.String>	getInitParameterNames() Returns the names of the filter's initialization parameters as an Enumeration of String objects, or an empty Enumeration if the filter has no initialization parameters.
ServletContext	getServletContext() Returns a reference to the ServletContext in which the caller is executing.

Method Detail

getFilterName

java.lang.String getFilterName()

Returns the filter-name of this filter as defined in the deployment descriptor.

getServletContext

ServletContext getServletContext()

Returns a reference to the ServletContext in which the caller is executing.

Returns:

a ServletContext object, used by the caller to interact with its servlet container

See Also:

ServletContext

getInitParameter

java.lang.String getInitParameter(java.lang.String name)

Returns a String containing the value of the named initialization parameter, or null if the initialization parameter does not exist.

Parameters:

name - a String specifying the name of the initialization parameter

Returns:

a String containing the value of the initialization parameter, or null if the initialization parameter does not exist

getInitParameterNames

java.util.Enumeration<java.lang.String> getInitParameterNames()

Returns the names of the filter's initialization parameters as an Enumeration of String objects, or an empty Enumeration if the filter has no initialization parameters.

Returns:

an Enumeration of String objects containing the names of the filter's initialization parameters