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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.shiro.web.servlet</a></div>
<h2 title="Class AdviceFilter" class="title">Class AdviceFilter</h2>
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<li><a href="OncePerRequestFilter.html" title="class in org.apache.shiro.web.servlet">org.apache.shiro.web.servlet.OncePerRequestFilter</a></li>
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<li>org.apache.shiro.web.servlet.AdviceFilter</li>
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<dt>All Implemented Interfaces:</dt>
<dd><code><a href="https://docs.oracle.com/javaee/5/api/javax/servlet/Filter.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">Filter</a></code>, <code><a href="../../util/Nameable.html" title="interface in org.apache.shiro.util">Nameable</a></code></dd>
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<dt>Direct Known Subclasses:</dt>
<dd><code><a href="../filter/authc/LogoutFilter.html" title="class in org.apache.shiro.web.filter.authc">LogoutFilter</a></code>, <code><a href="../filter/PathMatchingFilter.html" title="class in org.apache.shiro.web.filter">PathMatchingFilter</a></code></dd>
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<pre>public abstract class <a href="../../../../../src-html/org/apache/shiro/web/servlet/AdviceFilter.html#line.39">AdviceFilter</a>
extends <a href="OncePerRequestFilter.html" title="class in org.apache.shiro.web.servlet">OncePerRequestFilter</a></pre>
<div class="block">A Servlet Filter that enables AOP-style &quot;around&quot; advice for a ServletRequest via
<a href="#preHandle(javax.servlet.ServletRequest,javax.servlet.ServletResponse)"><code>preHandle</code></a>,
<a href="#postHandle(javax.servlet.ServletRequest,javax.servlet.ServletResponse)"><code>postHandle</code></a>,
and <a href="#afterCompletion(javax.servlet.ServletRequest,javax.servlet.ServletResponse,java.lang.Exception)"><code>afterCompletion</code></a>
hooks.</div>
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<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>0.9</dd>
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<h3>Fields inherited from class&nbsp;org.apache.shiro.web.servlet.<a href="OncePerRequestFilter.html" title="class in org.apache.shiro.web.servlet">OncePerRequestFilter</a></h3>
<code><a href="OncePerRequestFilter.html#ALREADY_FILTERED_SUFFIX">ALREADY_FILTERED_SUFFIX</a></code></li>
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<code><a href="AbstractFilter.html#filterConfig">filterConfig</a></code></li>
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<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">AdviceFilter</a></span>()</code></th>
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<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#afterCompletion(javax.servlet.ServletRequest,javax.servlet.ServletResponse,java.lang.Exception)">afterCompletion</a></span>&#8203;(<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletRequest.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletRequest</a>&nbsp;request,
<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletResponse.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletResponse</a>&nbsp;response,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang" class="externalLink">Exception</a>&nbsp;exception)</code></th>
<td class="colLast">
<div class="block">Called in all cases in a <code>finally</code> block even if <a href="#preHandle(javax.servlet.ServletRequest,javax.servlet.ServletResponse)"><code>preHandle</code></a> returns
<code>false</code> or if an exception is thrown during filter chain processing.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#cleanup(javax.servlet.ServletRequest,javax.servlet.ServletResponse,java.lang.Exception)">cleanup</a></span>&#8203;(<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletRequest.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletRequest</a>&nbsp;request,
<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletResponse.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletResponse</a>&nbsp;response,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang" class="externalLink">Exception</a>&nbsp;existing)</code></th>
<td class="colLast">
<div class="block">Executes cleanup logic in the <code>finally</code> code block in the
<a href="#doFilterInternal(javax.servlet.ServletRequest,javax.servlet.ServletResponse,javax.servlet.FilterChain)"><code>doFilterInternal</code></a>
implementation.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#doFilterInternal(javax.servlet.ServletRequest,javax.servlet.ServletResponse,javax.servlet.FilterChain)">doFilterInternal</a></span>&#8203;(<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletRequest.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletRequest</a>&nbsp;request,
<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletResponse.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletResponse</a>&nbsp;response,
<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/FilterChain.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">FilterChain</a>&nbsp;chain)</code></th>
<td class="colLast">
<div class="block">Actually implements the chain execution logic, utilizing
<a href="#preHandle(javax.servlet.ServletRequest,javax.servlet.ServletResponse)"><code>pre</code></a>,
<a href="#postHandle(javax.servlet.ServletRequest,javax.servlet.ServletResponse)"><code>post</code></a>, and
<a href="#afterCompletion(javax.servlet.ServletRequest,javax.servlet.ServletResponse,java.lang.Exception)"><code>after</code></a>
advice hooks.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#executeChain(javax.servlet.ServletRequest,javax.servlet.ServletResponse,javax.servlet.FilterChain)">executeChain</a></span>&#8203;(<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletRequest.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletRequest</a>&nbsp;request,
<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletResponse.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletResponse</a>&nbsp;response,
<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/FilterChain.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">FilterChain</a>&nbsp;chain)</code></th>
<td class="colLast">
<div class="block">Actually executes the specified filter chain by calling <code>chain.doFilter(request,response);</code>.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#postHandle(javax.servlet.ServletRequest,javax.servlet.ServletResponse)">postHandle</a></span>&#8203;(<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletRequest.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletRequest</a>&nbsp;request,
<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletResponse.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletResponse</a>&nbsp;response)</code></th>
<td class="colLast">
<div class="block">Allows 'post' advice logic to be called, but only if no exception occurs during filter chain execution.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#preHandle(javax.servlet.ServletRequest,javax.servlet.ServletResponse)">preHandle</a></span>&#8203;(<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletRequest.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletRequest</a>&nbsp;request,
<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletResponse.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletResponse</a>&nbsp;response)</code></th>
<td class="colLast">
<div class="block">Returns <code>true</code> if the filter chain should be allowed to continue, <code>false</code> otherwise.</div>
</td>
</tr>
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<h3>Methods inherited from class&nbsp;org.apache.shiro.web.servlet.<a href="OncePerRequestFilter.html" title="class in org.apache.shiro.web.servlet">OncePerRequestFilter</a></h3>
<code><a href="OncePerRequestFilter.html#doFilter(javax.servlet.ServletRequest,javax.servlet.ServletResponse,javax.servlet.FilterChain)">doFilter</a>, <a href="OncePerRequestFilter.html#getAlreadyFilteredAttributeName()">getAlreadyFilteredAttributeName</a>, <a href="OncePerRequestFilter.html#isEnabled()">isEnabled</a>, <a href="OncePerRequestFilter.html#isEnabled(javax.servlet.ServletRequest,javax.servlet.ServletResponse)">isEnabled</a>, <a href="OncePerRequestFilter.html#setEnabled(boolean)">setEnabled</a>, <a href="OncePerRequestFilter.html#shouldNotFilter(javax.servlet.ServletRequest)">shouldNotFilter</a></code></li>
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<h3>Methods inherited from class&nbsp;org.apache.shiro.web.servlet.<a href="NameableFilter.html" title="class in org.apache.shiro.web.servlet">NameableFilter</a></h3>
<code><a href="NameableFilter.html#getName()">getName</a>, <a href="NameableFilter.html#setName(java.lang.String)">setName</a>, <a href="NameableFilter.html#toStringBuilder()">toStringBuilder</a></code></li>
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<h3>Methods inherited from class&nbsp;org.apache.shiro.web.servlet.<a href="AbstractFilter.html" title="class in org.apache.shiro.web.servlet">AbstractFilter</a></h3>
<code><a href="AbstractFilter.html#destroy()">destroy</a>, <a href="AbstractFilter.html#getFilterConfig()">getFilterConfig</a>, <a href="AbstractFilter.html#getInitParam(java.lang.String)">getInitParam</a>, <a href="AbstractFilter.html#init(javax.servlet.FilterConfig)">init</a>, <a href="AbstractFilter.html#onFilterConfigSet()">onFilterConfigSet</a>, <a href="AbstractFilter.html#setFilterConfig(javax.servlet.FilterConfig)">setFilterConfig</a></code></li>
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<h3>Methods inherited from class&nbsp;org.apache.shiro.web.servlet.<a href="ServletContextSupport.html" title="class in org.apache.shiro.web.servlet">ServletContextSupport</a></h3>
<code><a href="ServletContextSupport.html#getContextAttribute(java.lang.String)">getContextAttribute</a>, <a href="ServletContextSupport.html#getContextInitParam(java.lang.String)">getContextInitParam</a>, <a href="ServletContextSupport.html#getServletContext()">getServletContext</a>, <a href="ServletContextSupport.html#removeContextAttribute(java.lang.String)">removeContextAttribute</a>, <a href="ServletContextSupport.html#setContextAttribute(java.lang.String,java.lang.Object)">setContextAttribute</a>, <a href="ServletContextSupport.html#setServletContext(javax.servlet.ServletContext)">setServletContext</a>, <a href="ServletContextSupport.html#toString()">toString</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></li>
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<h4>AdviceFilter</h4>
<pre>public&nbsp;<a href="../../../../../src-html/org/apache/shiro/web/servlet/AdviceFilter.html#line.39">AdviceFilter</a>()</pre>
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<h4>preHandle</h4>
<pre class="methodSignature">protected&nbsp;boolean&nbsp;<a href="../../../../../src-html/org/apache/shiro/web/servlet/AdviceFilter.html#line.57">preHandle</a>&#8203;(<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletRequest.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletRequest</a>&nbsp;request,
<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletResponse.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletResponse</a>&nbsp;response)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang" class="externalLink">Exception</a></pre>
<div class="block">Returns <code>true</code> if the filter chain should be allowed to continue, <code>false</code> otherwise.
It is called before the chain is actually consulted/executed.
<p/>
The default implementation returns <code>true</code> always and exists as a template method for subclasses.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>request</code> - the incoming ServletRequest</dd>
<dd><code>response</code> - the outgoing ServletResponse</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>true</code> if the filter chain should be allowed to continue, <code>false</code> otherwise.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang" class="externalLink">Exception</a></code> - if there is any error.</dd>
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<h4>postHandle</h4>
<pre class="methodSignature">protected&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/shiro/web/servlet/AdviceFilter.html#line.75">postHandle</a>&#8203;(<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletRequest.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletRequest</a>&nbsp;request,
<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletResponse.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletResponse</a>&nbsp;response)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang" class="externalLink">Exception</a></pre>
<div class="block">Allows 'post' advice logic to be called, but only if no exception occurs during filter chain execution. That
is, if <a href="#executeChain(javax.servlet.ServletRequest,javax.servlet.ServletResponse,javax.servlet.FilterChain)"><code>executeChain</code></a> throws an exception, this method will never be called. Be aware of
this when implementing logic. Most resource 'cleanup' behavior is often done in the
<a href="#afterCompletion(javax.servlet.ServletRequest,javax.servlet.ServletResponse,java.lang.Exception)"><code>afterCompletion(request,response,exception)</code></a>
implementation, which is guaranteed to be called for every request, even when the chain processing throws
an Exception.
<p/>
The default implementation does nothing (no-op) and exists as a template method for subclasses.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>request</code> - the incoming ServletRequest</dd>
<dd><code>response</code> - the outgoing ServletResponse</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang" class="externalLink">Exception</a></code> - if an error occurs.</dd>
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<h4>afterCompletion</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/shiro/web/servlet/AdviceFilter.html#line.93">afterCompletion</a>&#8203;(<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletRequest.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletRequest</a>&nbsp;request,
<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletResponse.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletResponse</a>&nbsp;response,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang" class="externalLink">Exception</a>&nbsp;exception)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang" class="externalLink">Exception</a></pre>
<div class="block">Called in all cases in a <code>finally</code> block even if <a href="#preHandle(javax.servlet.ServletRequest,javax.servlet.ServletResponse)"><code>preHandle</code></a> returns
<code>false</code> or if an exception is thrown during filter chain processing. Can be used for resource
cleanup if so desired.
<p/>
The default implementation does nothing (no-op) and exists as a template method for subclasses.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>request</code> - the incoming ServletRequest</dd>
<dd><code>response</code> - the outgoing ServletResponse</dd>
<dd><code>exception</code> - any exception thrown during <a href="#preHandle(javax.servlet.ServletRequest,javax.servlet.ServletResponse)"><code>preHandle</code></a>, <a href="#executeChain(javax.servlet.ServletRequest,javax.servlet.ServletResponse,javax.servlet.FilterChain)"><code>executeChain</code></a>,
or <a href="#postHandle(javax.servlet.ServletRequest,javax.servlet.ServletResponse)"><code>postHandle</code></a> execution, or <code>null</code> if no exception was thrown
(i.e. the chain processed successfully).</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang" class="externalLink">Exception</a></code> - if an error occurs.</dd>
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<h4>executeChain</h4>
<pre class="methodSignature">protected&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/shiro/web/servlet/AdviceFilter.html#line.107">executeChain</a>&#8203;(<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletRequest.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletRequest</a>&nbsp;request,
<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletResponse.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletResponse</a>&nbsp;response,
<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/FilterChain.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">FilterChain</a>&nbsp;chain)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang" class="externalLink">Exception</a></pre>
<div class="block">Actually executes the specified filter chain by calling <code>chain.doFilter(request,response);</code>.
<p/>
Can be overridden by subclasses for custom logic.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>request</code> - the incoming ServletRequest</dd>
<dd><code>response</code> - the outgoing ServletResponse</dd>
<dd><code>chain</code> - the filter chain to execute</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang" class="externalLink">Exception</a></code> - if there is any error executing the chain.</dd>
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<h4>doFilterInternal</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/shiro/web/servlet/AdviceFilter.html#line.124">doFilterInternal</a>&#8203;(<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletRequest.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletRequest</a>&nbsp;request,
<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletResponse.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletResponse</a>&nbsp;response,
<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/FilterChain.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">FilterChain</a>&nbsp;chain)
throws <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletException.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletException</a>,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink">IOException</a></pre>
<div class="block">Actually implements the chain execution logic, utilizing
<a href="#preHandle(javax.servlet.ServletRequest,javax.servlet.ServletResponse)"><code>pre</code></a>,
<a href="#postHandle(javax.servlet.ServletRequest,javax.servlet.ServletResponse)"><code>post</code></a>, and
<a href="#afterCompletion(javax.servlet.ServletRequest,javax.servlet.ServletResponse,java.lang.Exception)"><code>after</code></a>
advice hooks.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="OncePerRequestFilter.html#doFilterInternal(javax.servlet.ServletRequest,javax.servlet.ServletResponse,javax.servlet.FilterChain)">doFilterInternal</a></code>&nbsp;in class&nbsp;<code><a href="OncePerRequestFilter.html" title="class in org.apache.shiro.web.servlet">OncePerRequestFilter</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>request</code> - the incoming ServletRequest</dd>
<dd><code>response</code> - the outgoing ServletResponse</dd>
<dd><code>chain</code> - the filter chain to execute</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletException.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletException</a></code> - if a servlet-related error occurs</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink">IOException</a></code> - if an IO error occurs</dd>
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<h4>cleanup</h4>
<pre class="methodSignature">protected&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/shiro/web/servlet/AdviceFilter.html#line.168">cleanup</a>&#8203;(<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletRequest.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletRequest</a>&nbsp;request,
<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletResponse.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletResponse</a>&nbsp;response,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang" class="externalLink">Exception</a>&nbsp;existing)
throws <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletException.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletException</a>,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink">IOException</a></pre>
<div class="block">Executes cleanup logic in the <code>finally</code> code block in the
<a href="#doFilterInternal(javax.servlet.ServletRequest,javax.servlet.ServletResponse,javax.servlet.FilterChain)"><code>doFilterInternal</code></a>
implementation.
<p/>
This implementation specifically calls
<a href="#afterCompletion(javax.servlet.ServletRequest,javax.servlet.ServletResponse,java.lang.Exception)"><code>afterCompletion</code></a>
as well as handles any exceptions properly.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>request</code> - the incoming <code>ServletRequest</code></dd>
<dd><code>response</code> - the outgoing <code>ServletResponse</code></dd>
<dd><code>existing</code> - any exception that might have occurred while executing the <code>FilterChain</code> or
pre or post advice, or <code>null</code> if the pre/chain/post execution did not throw an <code>Exception</code>.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletException.html?is-external=true" title="class or interface in javax.servlet" class="externalLink">ServletException</a></code> - if any exception other than an <code>IOException</code> is thrown.</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink">IOException</a></code> - if the pre/chain/post execution throw an <code>IOException</code></dd>
</dl>
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