Package javax.servlet

Interface FilterConfig


  • public 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

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      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

        java.lang.String getFilterName()
        Returns the filter-name of this filter as defined in the deployment descriptor.
      • getInitParameter

        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.
        Parameters:
        name - a String specifying the name of the initialization parameter
        Returns:
        a String containing the value of the initialization parameter
      • getInitParameterNames

        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.
        Returns:
        an Enumeration of String objects containing the names of the servlet's initialization parameters