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javax.servlet Interface FilterConfig
- public abstract interface FilterConfig
A filter configuration object used by a servlet container used 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 parameter does not exist. |
java.util.Enumeration |
getInitParameterNames()
Returns the names of the servlet's initialization parameters as an Enumeration of String objects,
or an empty Enumeration if the servlet has
no initialization parameters. |
ServletContext |
getServletContext()
Returns a reference to the ServletContext in which the caller
is executing. |
Method Detail |
getFilterName
public java.lang.String getFilterName()
- Returns the filter-name of this filter as defined in the deployment descriptor.
getServletContext
public 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
public java.lang.String getInitParameter(java.lang.String name)
- Returns a
String
containing the value of the named initialization parameter, ornull
if the parameter does not exist. - Parameters:
name
- aString
specifying the name of the initialization parameter- Returns:
- a
String
containing the value of the initialization parameter
getInitParameterNames
public java.util.Enumeration getInitParameterNames()
- Returns the names of the servlet's initialization parameters
as an
Enumeration
ofString
objects, or an emptyEnumeration
if the servlet has no initialization parameters. - Returns:
- an
Enumeration
ofString
objects containing the names of the servlet's initialization parameters
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