```
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

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Interface FilterConfig

Method Summary

Method Detail

getFilterName

getServletContext

getInitParameter

getInitParameterNames

References