javax.servlet
インタフェース FilterConfig


public interface FilterConfig

A filter configuration object used by a servlet container used to pass information to a filter during initialization.

導入されたバージョン:
Servlet 2.3
関連項目:
Filter

メソッドの概要
 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.
 

メソッドの詳細

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.

戻り値:
a ServletContext object, used by the caller to interact with its servlet container
関連項目:
ServletContext

getInitParameter

public 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.

パラメータ:
name - a String specifying the name of the initialization parameter
戻り値:
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 of String objects, or an empty Enumeration if the servlet has no initialization parameters.

戻り値:
an Enumeration of String objects containing the names of the servlet's initialization parameters


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