📄 filterconfig.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Mon Sep 29 15:11:53 PDT 2003 --><TITLE>: Interface FilterConfig</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../overview-summary.html"><FONT ID="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT ID="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT ID="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../deprecated-list.html"><FONT ID="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../index-all.html"><FONT ID="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../help-doc.html"><FONT ID="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../javax/servlet/FilterChain.html"><B>PREV CLASS</B></A> <A HREF="../../javax/servlet/RequestDispatcher.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="FilterConfig.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javax.servlet</FONT><BR>Interface FilterConfig</H2><HR><DL><DT>public interface <B>FilterConfig</B></DL><P>A filter configuration object used by a servlet container to pass information to a filter during initialization.<P><DL><DT><B>Since: </B><DD>Servlet 2.3</DD><DT><B>See Also: </B><DD><A HREF="../../javax/servlet/Filter.html"><CODE>Filter</CODE></A></DL><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/servlet/FilterConfig.html#getFilterName()">getFilterName</A></B>()</CODE><BR> Returns the filter-name of this filter as defined in the deployment descriptor.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/servlet/FilterConfig.html#getInitParameter(java.lang.String)">getInitParameter</A></B>(java.lang.String name)</CODE><BR> Returns a <code>String</code> containing the value of the named initialization parameter, or <code>null</code> if the parameter does not exist.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.util.Enumeration</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/servlet/FilterConfig.html#getInitParameterNames()">getInitParameterNames</A></B>()</CODE><BR> Returns the names of the filter's initialization parameters as an <code>Enumeration</code> of <code>String</code> objects, or an empty <code>Enumeration</code> if the filter has no initialization parameters.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javax/servlet/ServletContext.html">ServletContext</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/servlet/FilterConfig.html#getServletContext()">getServletContext</A></B>()</CODE><BR> Returns a reference to the <A HREF="../../javax/servlet/ServletContext.html"><CODE>ServletContext</CODE></A> in which the caller is executing.</TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Method Detail</B></FONT></TD></TR></TABLE><A NAME="getFilterName()"><!-- --></A><H3>getFilterName</H3><PRE>public java.lang.String <B>getFilterName</B>()</PRE><DL><DD>Returns the filter-name of this filter as defined in the deployment descriptor.</DL><HR><A NAME="getServletContext()"><!-- --></A><H3>getServletContext</H3><PRE>public <A HREF="../../javax/servlet/ServletContext.html">ServletContext</A> <B>getServletContext</B>()</PRE><DL><DD>Returns a reference to the <A HREF="../../javax/servlet/ServletContext.html"><CODE>ServletContext</CODE></A> in which the caller is executing.<DD><DL><DT><B>Returns:</B><DD>a <A HREF="../../javax/servlet/ServletContext.html"><CODE>ServletContext</CODE></A> object, used by the caller to interact with its servlet container<DT><B>See Also: </B><DD><A HREF="../../javax/servlet/ServletContext.html"><CODE>ServletContext</CODE></A></DL></DD></DL><HR><A NAME="getInitParameter(java.lang.String)"><!-- --></A><H3>getInitParameter</H3><PRE>public java.lang.String <B>getInitParameter</B>(java.lang.String name)</PRE><DL><DD>Returns a <code>String</code> containing the value of the named initialization parameter, or <code>null</code> if the parameter does not exist.<DD><DL><DT><B>Parameters:</B><DD><CODE>name</CODE> - a <code>String</code> specifying the name of the initialization parameter<DT><B>Returns:</B><DD>a <code>String</code> containing the value of the initialization parameter</DL></DD></DL><HR><A NAME="getInitParameterNames()"><!-- --></A><H3>getInitParameterNames</H3><PRE>public java.util.Enumeration <B>getInitParameterNames</B>()</PRE><DL><DD>Returns the names of the filter's initialization parameters as an <code>Enumeration</code> of <code>String</code> objects, or an empty <code>Enumeration</code> if the filter has no initialization parameters.<DD><DL><DT><B>Returns:</B><DD>an <code>Enumeration</code> of <code>String</code> objects containing the names of the filter's initialization parameters</DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_bottom"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../overview-summary.html"><FONT ID="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT ID="NavBarFont1"><B>Package</B></FONT></A> </TD> 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