📄 javax.servlet.filterconfig.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"><!--NewPage--><html><head><!-- Generated by javadoc on Fri Apr 04 16:55:35 PST 2003 --><title> Interface javax.servlet.FilterConfig</title></head><body><a name="_top_"></a><pre><a href="packages.html">All Packages</a> <a href="tree.html">Class Hierarchy</a> <a href="Package-javax.servlet.html">This Package</a> <a href="javax.servlet.FilterChain.html#_top_">Previous</a> <a href="javax.servlet.RequestDispatcher.html#_top_">Next</a> <a href="AllNames.html">Index</a></pre><hr><h1> Interface javax.servlet.FilterConfig</h1><dl> <dt> public interface <b>FilterConfig</b></dl>A filter configuration object used by a servlet container used to pass information to a filter during initialization.<p><dl> <dt> <b>See Also:</b> <dd> <a href="javax.servlet.Filter.html#_top_">Filter</a></dl><hr><a name="index"></a><h2> <img src="images/method-index.gif" width=207 height=38 alt="Method Index"></h2><dl> <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o "> <a href="#getFilterName()"><b>getFilterName</b></a>() <dd> Returns the filter-name of this filter as defined in the deployment descriptor. <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o "> <a href="#getInitParameter(javax.servlet.String)"><b>getInitParameter</b></a>(String) <dd> Returns a <code>String</code> containing the value of the named initialization parameter, or <code>null</code> if the parameter does not exist. <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o "> <a href="#getInitParameterNames()"><b>getInitParameterNames</b></a>() <dd> Returns the names of the servlet's initialization parameters as an <code>Enumeration</code> of <code>String</code> objects, or an empty <code>Enumeration</code> if the servlet has no initialization parameters. <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o "> <a href="#getServletContext()"><b>getServletContext</b></a>() <dd> Returns a reference to the {</dl><a name="methods"></a><h2> <img src="images/methods.gif" width=151 height=38 alt="Methods"></h2><a name="getFilterName()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a><a name="getFilterName"><b>getFilterName</b></a><pre> public abstract String getFilterName()</pre><dl> <dd> Returns the filter-name of this filter as defined in the deployment descriptor.<p></dl><a name="getServletContext()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a><a name="getServletContext"><b>getServletContext</b></a><pre> public abstract <a href="javax.servlet.ServletContext.html#_top_">ServletContext</a> getServletContext()</pre><dl> <dd> Returns a reference to the {@link ServletContext} in which the caller is executing.<p> <dd><dl> <dt> <b>Returns:</b> <dd> a {@link ServletContext} object, used by the caller to interact with its servlet container <dt> <b>See Also:</b> <dd> <a href="javax.servlet.ServletContext.html#_top_">ServletContext</a> </dl></dd></dl><a name="getInitParameter(javax.servlet.String)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a><a name="getInitParameter"><b>getInitParameter</b></a><pre> public abstract String getInitParameter(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.<p> <dd><dl> <dt> <b>Parameters:</b> <dd> name - 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><a name="getInitParameterNames()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a><a name="getInitParameterNames"><b>getInitParameterNames</b></a><pre> public abstract Enumeration getInitParameterNames()</pre><dl> <dd> Returns the names of the servlet's initialization parameters as an <code>Enumeration</code> of <code>String</code> objects, or an empty <code>Enumeration</code> if the servlet has no initialization parameters.<p> <dd><dl> <dt> <b>Returns:</b> <dd> an <code>Enumeration</code> of <code>String</code> objects containing the names of the servlet's initialization parameters </dl></dd></dl><hr><pre><a href="packages.html">All Packages</a> <a href="tree.html">Class Hierarchy</a> <a href="Package-javax.servlet.html">This Package</a> <a href="javax.servlet.FilterChain.html#_top_">Previous</a> <a href="javax.servlet.RequestDispatcher.html#_top_">Next</a> <a href="AllNames.html">Index</a></pre></body></html>⌨️ 快捷键说明
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