```
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

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`String`	`getFilterName()` Returns the filter-name of this filter as defined in the deployment descriptor.
`String`	`getInitParameter(String name)` Returns a `String` containing the value of the named initialization parameter, or `null` if the initialization parameter does not exist.
`Enumeration<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.

FilterConfig (Java(TM) EE 7 Specification APIs) Home of API Java Contents Haut

- Method Detail
  - getFilterName
```
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
```
String getInitParameter(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
```
Enumeration<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

Document created the 11/06/2005, last modified the 18/08/2025
Source of the printed document:https://www.gaudry.be/en/java-api-javaee-rf-javax/servlet/FilterConfig.html

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References

Manuel PHP : https://docs.oracle.com, FilterConfig (Java(TM) EE 7 Specification APIs)

These references and links indicate documents consulted during the writing of this page, or which may provide additional information, but the authors of these sources can not be held responsible for the content of this page.
The author of this site is solely responsible for the way in which the various concepts, and the freedoms that are taken with the reference works, are presented here. Remember that you must cross multiple source information to reduce the risk of errors.

Interface FilterConfig

Method Summary

Method Detail

getFilterName

getServletContext

getInitParameter

getInitParameterNames

References