FilterConfig (Java 2 Platform Ent. Ed. v1.4) - Java Platform, Enterprise Edition v1.4 API Specifications

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Java^TM 2 Platform
Ent. Ed. v1.4

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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

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 parameter does not exist.

Enumeration 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

public 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 String getInitParameter(String name)

Returns a String containing the value of the named initialization parameter, or null if the 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

getInitParameterNames

public Enumeration 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