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| <a name="1" href="#1">1</a> <em class="jxr_comment">/*</em> |
| <a name="2" href="#2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em> |
| <a name="3" href="#3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em> |
| <a name="4" href="#4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em> |
| <a name="5" href="#5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em> |
| <a name="6" href="#6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em> |
| <a name="7" href="#7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em> |
| <a name="8" href="#8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em> |
| <a name="9" href="#9">9</a> <em class="jxr_comment"> *</em> |
| <a name="10" href="#10">10</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em> |
| <a name="11" href="#11">11</a> <em class="jxr_comment"> *</em> |
| <a name="12" href="#12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em> |
| <a name="13" href="#13">13</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em> |
| <a name="14" href="#14">14</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em> |
| <a name="15" href="#15">15</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em> |
| <a name="16" href="#16">16</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em> |
| <a name="17" href="#17">17</a> <em class="jxr_comment"> * under the License.</em> |
| <a name="18" href="#18">18</a> <em class="jxr_comment"> */</em> |
| <a name="19" href="#19">19</a> <strong class="jxr_keyword">package</strong> org.apache.shiro.web.servlet; |
| <a name="20" href="#20">20</a> |
| <a name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> org.slf4j.Logger; |
| <a name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.slf4j.LoggerFactory; |
| <a name="23" href="#23">23</a> |
| <a name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> javax.servlet.FilterChain; |
| <a name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> javax.servlet.ServletException; |
| <a name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> javax.servlet.ServletRequest; |
| <a name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> javax.servlet.ServletResponse; |
| <a name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> java.io.IOException; |
| <a name="29" href="#29">29</a> |
| <a name="30" href="#30">30</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="31" href="#31">31</a> <em class="jxr_javadoccomment"> * Filter base class that guarantees to be just executed once per request,</em> |
| <a name="32" href="#32">32</a> <em class="jxr_javadoccomment"> * on any servlet container. It provides a {@link #doFilterInternal}</em> |
| <a name="33" href="#33">33</a> <em class="jxr_javadoccomment"> * method with HttpServletRequest and HttpServletResponse arguments.</em> |
| <a name="34" href="#34">34</a> <em class="jxr_javadoccomment"> * <p/></em> |
| <a name="35" href="#35">35</a> <em class="jxr_javadoccomment"> * The {@link #getAlreadyFilteredAttributeName} method determines how</em> |
| <a name="36" href="#36">36</a> <em class="jxr_javadoccomment"> * to identify that a request is already filtered. The default implementation</em> |
| <a name="37" href="#37">37</a> <em class="jxr_javadoccomment"> * is based on the configured name of the concrete filter instance.</em> |
| <a name="38" href="#38">38</a> <em class="jxr_javadoccomment"> * <h3>Controlling filter execution</h3></em> |
| <a name="39" href="#39">39</a> <em class="jxr_javadoccomment"> * 1.2 introduced the {@link #isEnabled(javax.servlet.ServletRequest, javax.servlet.ServletResponse)} method and</em> |
| <a name="40" href="#40">40</a> <em class="jxr_javadoccomment"> * {@link #isEnabled()} property to allow explicit controll over whether the filter executes (or allows passthrough)</em> |
| <a name="41" href="#41">41</a> <em class="jxr_javadoccomment"> * for any given request.</em> |
| <a name="42" href="#42">42</a> <em class="jxr_javadoccomment"> * <p/></em> |
| <a name="43" href="#43">43</a> <em class="jxr_javadoccomment"> * <b>NOTE</b> This class was initially borrowed from the Spring framework but has continued modifications.</em> |
| <a name="44" href="#44">44</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="45" href="#45">45</a> <em class="jxr_javadoccomment"> * @since 0.1</em> |
| <a name="46" href="#46">46</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="47" href="#47">47</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html">OncePerRequestFilter</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/shiro/web/servlet/NameableFilter.html">NameableFilter</a> { |
| <a name="48" href="#48">48</a> |
| <a name="49" href="#49">49</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="50" href="#50">50</a> <em class="jxr_javadoccomment"> * Private internal log instance.</em> |
| <a name="51" href="#51">51</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="52" href="#52">52</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Logger log = LoggerFactory.getLogger(OncePerRequestFilter.<strong class="jxr_keyword">class</strong>); |
| <a name="53" href="#53">53</a> |
| <a name="54" href="#54">54</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="55" href="#55">55</a> <em class="jxr_javadoccomment"> * Suffix that gets appended to the filter name for the "already filtered" request attribute.</em> |
| <a name="56" href="#56">56</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="57" href="#57">57</a> <em class="jxr_javadoccomment"> * @see #getAlreadyFilteredAttributeName</em> |
| <a name="58" href="#58">58</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="59" href="#59">59</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String ALREADY_FILTERED_SUFFIX = <span class="jxr_string">".FILTERED"</span>; |
| <a name="60" href="#60">60</a> |
| <a name="61" href="#61">61</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="62" href="#62">62</a> <em class="jxr_javadoccomment"> * Determines generally if this filter should execute or let requests fall through to the next chain element.</em> |
| <a name="63" href="#63">63</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="64" href="#64">64</a> <em class="jxr_javadoccomment"> * @see #isEnabled()</em> |
| <a name="65" href="#65">65</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="66" href="#66">66</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> enabled = <strong class="jxr_keyword">true</strong>; <em class="jxr_comment">//most filters wish to execute when configured, so default to true</em> |
| <a name="67" href="#67">67</a> |
| <a name="68" href="#68">68</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="69" href="#69">69</a> <em class="jxr_javadoccomment"> * Returns {@code true} if this filter should <em>generally</em><b>*</b> execute for any request,</em> |
| <a name="70" href="#70">70</a> <em class="jxr_javadoccomment"> * {@code false} if it should let the request/response pass through immediately to the next</em> |
| <a name="71" href="#71">71</a> <em class="jxr_javadoccomment"> * element in the {@link FilterChain}. The default value is {@code true}, as most filters would inherently need</em> |
| <a name="72" href="#72">72</a> <em class="jxr_javadoccomment"> * to execute when configured.</em> |
| <a name="73" href="#73">73</a> <em class="jxr_javadoccomment"> * <p/></em> |
| <a name="74" href="#74">74</a> <em class="jxr_javadoccomment"> * <b>*</b> This configuration property is for general configuration for any request that comes through</em> |
| <a name="75" href="#75">75</a> <em class="jxr_javadoccomment"> * the filter. The</em> |
| <a name="76" href="#76">76</a> <em class="jxr_javadoccomment"> * {@link #isEnabled(javax.servlet.ServletRequest, javax.servlet.ServletResponse) isEnabled(request,response)}</em> |
| <a name="77" href="#77">77</a> <em class="jxr_javadoccomment"> * method actually determines whether or not if the filter is enabled based on the current request.</em> |
| <a name="78" href="#78">78</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="79" href="#79">79</a> <em class="jxr_javadoccomment"> * @return {@code true} if this filter should <em>generally</em> execute, {@code false} if it should let the</em> |
| <a name="80" href="#80">80</a> <em class="jxr_javadoccomment"> * request/response pass through immediately to the next element in the {@link FilterChain}.</em> |
| <a name="81" href="#81">81</a> <em class="jxr_javadoccomment"> * @since 1.2</em> |
| <a name="82" href="#82">82</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="83" href="#83">83</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isEnabled() { |
| <a name="84" href="#84">84</a> <strong class="jxr_keyword">return</strong> enabled; |
| <a name="85" href="#85">85</a> } |
| <a name="86" href="#86">86</a> |
| <a name="87" href="#87">87</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="88" href="#88">88</a> <em class="jxr_javadoccomment"> * Sets whether or not this filter <em>generally</em> executes for any request. See the</em> |
| <a name="89" href="#89">89</a> <em class="jxr_javadoccomment"> * {@link #isEnabled() isEnabled()} JavaDoc as to what <em>general</em> execution means.</em> |
| <a name="90" href="#90">90</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="91" href="#91">91</a> <em class="jxr_javadoccomment"> * @param enabled whether or not this filter <em>generally</em> executes.</em> |
| <a name="92" href="#92">92</a> <em class="jxr_javadoccomment"> * @since 1.2</em> |
| <a name="93" href="#93">93</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="94" href="#94">94</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setEnabled(<strong class="jxr_keyword">boolean</strong> enabled) { |
| <a name="95" href="#95">95</a> <strong class="jxr_keyword">this</strong>.enabled = enabled; |
| <a name="96" href="#96">96</a> } |
| <a name="97" href="#97">97</a> |
| <a name="98" href="#98">98</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="99" href="#99">99</a> <em class="jxr_javadoccomment"> * This {@code doFilter} implementation stores a request attribute for</em> |
| <a name="100" href="#100">100</a> <em class="jxr_javadoccomment"> * "already filtered", proceeding without filtering again if the</em> |
| <a name="101" href="#101">101</a> <em class="jxr_javadoccomment"> * attribute is already there.</em> |
| <a name="102" href="#102">102</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="103" href="#103">103</a> <em class="jxr_javadoccomment"> * @see #getAlreadyFilteredAttributeName</em> |
| <a name="104" href="#104">104</a> <em class="jxr_javadoccomment"> * @see #shouldNotFilter</em> |
| <a name="105" href="#105">105</a> <em class="jxr_javadoccomment"> * @see #doFilterInternal</em> |
| <a name="106" href="#106">106</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="107" href="#107">107</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain) |
| <a name="108" href="#108">108</a> <strong class="jxr_keyword">throws</strong> ServletException, IOException { |
| <a name="109" href="#109">109</a> String alreadyFilteredAttributeName = getAlreadyFilteredAttributeName(); |
| <a name="110" href="#110">110</a> <strong class="jxr_keyword">if</strong> ( request.getAttribute(alreadyFilteredAttributeName) != <strong class="jxr_keyword">null</strong> ) { |
| <a name="111" href="#111">111</a> log.trace(<span class="jxr_string">"Filter '{}' already executed. Proceeding without invoking this filter."</span>, getName()); |
| <a name="112" href="#112">112</a> filterChain.doFilter(request, response); |
| <a name="113" href="#113">113</a> } <strong class="jxr_keyword">else</strong> <em class="jxr_comment">//noinspection deprecation</em> |
| <a name="114" href="#114">114</a> <strong class="jxr_keyword">if</strong> (<em class="jxr_comment">/*<em class="jxr_comment"> added in 1.2: */</em> !isEnabled(request, response) ||</em> |
| <a name="115" href="#115">115</a> <em class="jxr_comment">/*<em class="jxr_comment"> retain backwards compatibility: */</em> shouldNotFilter(request) ) {</em> |
| <a name="116" href="#116">116</a> log.debug(<span class="jxr_string">"Filter '{}' is not enabled for the current request. Proceeding without invoking this filter."</span>, |
| <a name="117" href="#117">117</a> getName()); |
| <a name="118" href="#118">118</a> filterChain.doFilter(request, response); |
| <a name="119" href="#119">119</a> } <strong class="jxr_keyword">else</strong> { |
| <a name="120" href="#120">120</a> <em class="jxr_comment">// Do invoke this filter...</em> |
| <a name="121" href="#121">121</a> log.trace(<span class="jxr_string">"Filter '{}' not yet executed. Executing now."</span>, getName()); |
| <a name="122" href="#122">122</a> request.setAttribute(alreadyFilteredAttributeName, Boolean.TRUE); |
| <a name="123" href="#123">123</a> |
| <a name="124" href="#124">124</a> <strong class="jxr_keyword">try</strong> { |
| <a name="125" href="#125">125</a> doFilterInternal(request, response, filterChain); |
| <a name="126" href="#126">126</a> } <strong class="jxr_keyword">finally</strong> { |
| <a name="127" href="#127">127</a> <em class="jxr_comment">// Once the request has finished, we're done and we don't</em> |
| <a name="128" href="#128">128</a> <em class="jxr_comment">// need to mark as 'already filtered' any more.</em> |
| <a name="129" href="#129">129</a> request.removeAttribute(alreadyFilteredAttributeName); |
| <a name="130" href="#130">130</a> } |
| <a name="131" href="#131">131</a> } |
| <a name="132" href="#132">132</a> } |
| <a name="133" href="#133">133</a> |
| <a name="134" href="#134">134</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="135" href="#135">135</a> <em class="jxr_javadoccomment"> * Returns {@code true} if this filter should filter the specified request, {@code false} if it should let the</em> |
| <a name="136" href="#136">136</a> <em class="jxr_javadoccomment"> * request/response pass through immediately to the next element in the {@code FilterChain}.</em> |
| <a name="137" href="#137">137</a> <em class="jxr_javadoccomment"> * <p/></em> |
| <a name="138" href="#138">138</a> <em class="jxr_javadoccomment"> * This default implementation merely returns the value of {@link #isEnabled() isEnabled()}, which is</em> |
| <a name="139" href="#139">139</a> <em class="jxr_javadoccomment"> * {@code true} by default (to ensure the filter always executes by default), but it can be overridden by</em> |
| <a name="140" href="#140">140</a> <em class="jxr_javadoccomment"> * subclasses for request-specific behavior if necessary. For example, a filter could be enabled or disabled</em> |
| <a name="141" href="#141">141</a> <em class="jxr_javadoccomment"> * based on the request path being accessed.</em> |
| <a name="142" href="#142">142</a> <em class="jxr_javadoccomment"> * <p/></em> |
| <a name="143" href="#143">143</a> <em class="jxr_javadoccomment"> * <b>Helpful Hint:</b> if your subclass extends {@link org.apache.shiro.web.filter.PathMatchingFilter PathMatchingFilter},</em> |
| <a name="144" href="#144">144</a> <em class="jxr_javadoccomment"> * you may wish to instead override the</em> |
| <a name="145" href="#145">145</a> <em class="jxr_javadoccomment"> * {@link org.apache.shiro.web.filter.PathMatchingFilter#isEnabled(javax.servlet.ServletRequest, javax.servlet.ServletResponse, String, Object)</em> |
| <a name="146" href="#146">146</a> <em class="jxr_javadoccomment"> * PathMatchingFilter.isEnabled(request,response,path,pathSpecificConfig)}</em> |
| <a name="147" href="#147">147</a> <em class="jxr_javadoccomment"> * method if you want to make your enable/disable decision based on any path-specific configuration.</em> |
| <a name="148" href="#148">148</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="149" href="#149">149</a> <em class="jxr_javadoccomment"> * @param request the incoming servlet request</em> |
| <a name="150" href="#150">150</a> <em class="jxr_javadoccomment"> * @param response the outbound servlet response</em> |
| <a name="151" href="#151">151</a> <em class="jxr_javadoccomment"> * @return {@code true} if this filter should filter the specified request, {@code false} if it should let the</em> |
| <a name="152" href="#152">152</a> <em class="jxr_javadoccomment"> * request/response pass through immediately to the next element in the {@code FilterChain}.</em> |
| <a name="153" href="#153">153</a> <em class="jxr_javadoccomment"> * @throws IOException in the case of any IO error</em> |
| <a name="154" href="#154">154</a> <em class="jxr_javadoccomment"> * @throws ServletException in the case of any error</em> |
| <a name="155" href="#155">155</a> <em class="jxr_javadoccomment"> * @see org.apache.shiro.web.filter.PathMatchingFilter#isEnabled(javax.servlet.ServletRequest, javax.servlet.ServletResponse, String, Object)</em> |
| <a name="156" href="#156">156</a> <em class="jxr_javadoccomment"> * @since 1.2</em> |
| <a name="157" href="#157">157</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="158" href="#158">158</a> @SuppressWarnings({<span class="jxr_string">"UnusedParameters"</span>}) |
| <a name="159" href="#159">159</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">boolean</strong> isEnabled(ServletRequest request, ServletResponse response) <strong class="jxr_keyword">throws</strong> ServletException, IOException { |
| <a name="160" href="#160">160</a> <strong class="jxr_keyword">return</strong> isEnabled(); |
| <a name="161" href="#161">161</a> } |
| <a name="162" href="#162">162</a> |
| <a name="163" href="#163">163</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="164" href="#164">164</a> <em class="jxr_javadoccomment"> * Return name of the request attribute that identifies that a request has already been filtered.</em> |
| <a name="165" href="#165">165</a> <em class="jxr_javadoccomment"> * <p/></em> |
| <a name="166" href="#166">166</a> <em class="jxr_javadoccomment"> * The default implementation takes the configured {@link #getName() name} and appends &quot;{@code .FILTERED}&quot;.</em> |
| <a name="167" href="#167">167</a> <em class="jxr_javadoccomment"> * If the filter is not fully initialized, it falls back to the implementation's class name.</em> |
| <a name="168" href="#168">168</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="169" href="#169">169</a> <em class="jxr_javadoccomment"> * @return the name of the request attribute that identifies that a request has already been filtered.</em> |
| <a name="170" href="#170">170</a> <em class="jxr_javadoccomment"> * @see #getName</em> |
| <a name="171" href="#171">171</a> <em class="jxr_javadoccomment"> * @see #ALREADY_FILTERED_SUFFIX</em> |
| <a name="172" href="#172">172</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="173" href="#173">173</a> <strong class="jxr_keyword">protected</strong> String getAlreadyFilteredAttributeName() { |
| <a name="174" href="#174">174</a> String name = getName(); |
| <a name="175" href="#175">175</a> <strong class="jxr_keyword">if</strong> (name == <strong class="jxr_keyword">null</strong>) { |
| <a name="176" href="#176">176</a> name = getClass().getName(); |
| <a name="177" href="#177">177</a> } |
| <a name="178" href="#178">178</a> <strong class="jxr_keyword">return</strong> name + ALREADY_FILTERED_SUFFIX; |
| <a name="179" href="#179">179</a> } |
| <a name="180" href="#180">180</a> |
| <a name="181" href="#181">181</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="182" href="#182">182</a> <em class="jxr_javadoccomment"> * Can be overridden in subclasses for custom filtering control,</em> |
| <a name="183" href="#183">183</a> <em class="jxr_javadoccomment"> * returning <code>true</code> to avoid filtering of the given request.</em> |
| <a name="184" href="#184">184</a> <em class="jxr_javadoccomment"> * <p>The default implementation always returns <code>false</code>.</em> |
| <a name="185" href="#185">185</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="186" href="#186">186</a> <em class="jxr_javadoccomment"> * @param request current HTTP request</em> |
| <a name="187" href="#187">187</a> <em class="jxr_javadoccomment"> * @return whether the given request should <i>not</i> be filtered</em> |
| <a name="188" href="#188">188</a> <em class="jxr_javadoccomment"> * @throws ServletException in case of errors</em> |
| <a name="189" href="#189">189</a> <em class="jxr_javadoccomment"> * @deprecated in favor of overriding {@link #isEnabled(javax.servlet.ServletRequest, javax.servlet.ServletResponse)}</em> |
| <a name="190" href="#190">190</a> <em class="jxr_javadoccomment"> * for custom behavior. This method will be removed in Shiro 2.0.</em> |
| <a name="191" href="#191">191</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="192" href="#192">192</a> @Deprecated |
| <a name="193" href="#193">193</a> @SuppressWarnings({<span class="jxr_string">"UnusedDeclaration"</span>}) |
| <a name="194" href="#194">194</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">boolean</strong> shouldNotFilter(ServletRequest request) <strong class="jxr_keyword">throws</strong> ServletException { |
| <a name="195" href="#195">195</a> <strong class="jxr_keyword">return</strong> false; |
| <a name="196" href="#196">196</a> } |
| <a name="197" href="#197">197</a> |
| <a name="198" href="#198">198</a> |
| <a name="199" href="#199">199</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="200" href="#200">200</a> <em class="jxr_javadoccomment"> * Same contract as for</em> |
| <a name="201" href="#201">201</a> <em class="jxr_javadoccomment"> * {@link #doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)},</em> |
| <a name="202" href="#202">202</a> <em class="jxr_javadoccomment"> * but guaranteed to be invoked only once per request.</em> |
| <a name="203" href="#203">203</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="204" href="#204">204</a> <em class="jxr_javadoccomment"> * @param request incoming {@code ServletRequest}</em> |
| <a name="205" href="#205">205</a> <em class="jxr_javadoccomment"> * @param response outgoing {@code ServletResponse}</em> |
| <a name="206" href="#206">206</a> <em class="jxr_javadoccomment"> * @param chain the {@code FilterChain} to execute</em> |
| <a name="207" href="#207">207</a> <em class="jxr_javadoccomment"> * @throws ServletException if there is a problem processing the request</em> |
| <a name="208" href="#208">208</a> <em class="jxr_javadoccomment"> * @throws IOException if there is an I/O problem processing the request</em> |
| <a name="209" href="#209">209</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="210" href="#210">210</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> doFilterInternal(ServletRequest request, ServletResponse response, FilterChain chain) |
| <a name="211" href="#211">211</a> <strong class="jxr_keyword">throws</strong> ServletException, IOException; |
| <a name="212" href="#212">212</a> } |
| </pre> |
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