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| <div class="subTitle">org.apache.shiro.web.servlet</div> |
| <h2 title="Class OncePerRequestFilter" class="title">Class OncePerRequestFilter</h2> |
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| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
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| <li><a href="../../../../../org/apache/shiro/web/servlet/ServletContextSupport.html" title="class in org.apache.shiro.web.servlet">org.apache.shiro.web.servlet.ServletContextSupport</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../org/apache/shiro/web/servlet/AbstractFilter.html" title="class in org.apache.shiro.web.servlet">org.apache.shiro.web.servlet.AbstractFilter</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../org/apache/shiro/web/servlet/NameableFilter.html" title="class in org.apache.shiro.web.servlet">org.apache.shiro.web.servlet.NameableFilter</a></li> |
| <li> |
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| <li>org.apache.shiro.web.servlet.OncePerRequestFilter</li> |
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| <dd><a href="https://docs.oracle.com/javaee/5/api/javax/servlet/Filter.html?is-external=true" title="class or interface in javax.servlet">Filter</a>, org.apache.shiro.util.Nameable</dd> |
| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../org/apache/shiro/web/servlet/AbstractShiroFilter.html" title="class in org.apache.shiro.web.servlet">AbstractShiroFilter</a>, <a href="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html" title="class in org.apache.shiro.web.servlet">AdviceFilter</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public abstract class <a href="../../../../../src-html/org/apache/shiro/web/servlet/OncePerRequestFilter.html#line.47">OncePerRequestFilter</a> |
| extends <a href="../../../../../org/apache/shiro/web/servlet/NameableFilter.html" title="class in org.apache.shiro.web.servlet">NameableFilter</a></pre> |
| <div class="block">Filter base class that guarantees to be just executed once per request, |
| on any servlet container. It provides a <a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#doFilterInternal-javax.servlet.ServletRequest-javax.servlet.ServletResponse-javax.servlet.FilterChain-"><code>doFilterInternal(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)</code></a> |
| method with HttpServletRequest and HttpServletResponse arguments. |
| <p/> |
| The <a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#getAlreadyFilteredAttributeName--"><code>getAlreadyFilteredAttributeName()</code></a> method determines how |
| to identify that a request is already filtered. The default implementation |
| is based on the configured name of the concrete filter instance. |
| <h3>Controlling filter execution</h3> |
| 1.2 introduced the <a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#isEnabled-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>isEnabled(javax.servlet.ServletRequest, javax.servlet.ServletResponse)</code></a> method and |
| <a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#isEnabled--"><code>isEnabled()</code></a> property to allow explicit controll over whether the filter executes (or allows passthrough) |
| for any given request. |
| <p/> |
| <b>NOTE</b> This class was initially borrowed from the Spring framework but has continued modifications.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>0.1</dd> |
| </dl> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#ALREADY_FILTERED_SUFFIX">ALREADY_FILTERED_SUFFIX</a></span></code> |
| <div class="block">Suffix that gets appended to the filter name for the "already filtered" request attribute.</div> |
| </td> |
| </tr> |
| </table> |
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| <code><a href="../../../../../org/apache/shiro/web/servlet/AbstractFilter.html#filterConfig">filterConfig</a></code></li> |
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| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#OncePerRequestFilter--">OncePerRequestFilter</a></span>()</code> </td> |
| </tr> |
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| <!-- ========== METHOD SUMMARY =========== --> |
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| <h3>Method Summary</h3> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#doFilter-javax.servlet.ServletRequest-javax.servlet.ServletResponse-javax.servlet.FilterChain-">doFilter</a></span>(<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletRequest.html?is-external=true" title="class or interface in javax.servlet">ServletRequest</a> request, |
| <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletResponse.html?is-external=true" title="class or interface in javax.servlet">ServletResponse</a> response, |
| <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/FilterChain.html?is-external=true" title="class or interface in javax.servlet">FilterChain</a> filterChain)</code> |
| <div class="block">This <code>doFilter</code> implementation stores a request attribute for |
| "already filtered", proceeding without filtering again if the |
| attribute is already there.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>protected abstract void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#doFilterInternal-javax.servlet.ServletRequest-javax.servlet.ServletResponse-javax.servlet.FilterChain-">doFilterInternal</a></span>(<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletRequest.html?is-external=true" title="class or interface in javax.servlet">ServletRequest</a> request, |
| <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletResponse.html?is-external=true" title="class or interface in javax.servlet">ServletResponse</a> response, |
| <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/FilterChain.html?is-external=true" title="class or interface in javax.servlet">FilterChain</a> chain)</code> |
| <div class="block">Same contract as for |
| <a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#doFilter-javax.servlet.ServletRequest-javax.servlet.ServletResponse-javax.servlet.FilterChain-"><code>doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)</code></a>, |
| but guaranteed to be invoked only once per request.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#getAlreadyFilteredAttributeName--">getAlreadyFilteredAttributeName</a></span>()</code> |
| <div class="block">Return name of the request attribute that identifies that a request has already been filtered.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#isEnabled--">isEnabled</a></span>()</code> |
| <div class="block">Returns <code>true</code> if this filter should <em>generally</em><b>*</b> execute for any request, |
| <code>false</code> if it should let the request/response pass through immediately to the next |
| element in the <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/FilterChain.html?is-external=true" title="class or interface in javax.servlet"><code>FilterChain</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#isEnabled-javax.servlet.ServletRequest-javax.servlet.ServletResponse-">isEnabled</a></span>(<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletRequest.html?is-external=true" title="class or interface in javax.servlet">ServletRequest</a> request, |
| <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletResponse.html?is-external=true" title="class or interface in javax.servlet">ServletResponse</a> response)</code> |
| <div class="block">Returns <code>true</code> if this filter should filter the specified request, <code>false</code> if it should let the |
| request/response pass through immediately to the next element in the <code>FilterChain</code>.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#setEnabled-boolean-">setEnabled</a></span>(boolean enabled)</code> |
| <div class="block">Sets whether or not this filter <em>generally</em> executes for any request.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#shouldNotFilter-javax.servlet.ServletRequest-">shouldNotFilter</a></span>(<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletRequest.html?is-external=true" title="class or interface in javax.servlet">ServletRequest</a> request)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">in favor of overriding <a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#isEnabled-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>isEnabled(javax.servlet.ServletRequest, javax.servlet.ServletResponse)</code></a> |
| for custom behavior. This method will be removed in Shiro 2.0.</span></div> |
| </div> |
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| </a> |
| <h3>Methods inherited from class org.apache.shiro.web.servlet.<a href="../../../../../org/apache/shiro/web/servlet/NameableFilter.html" title="class in org.apache.shiro.web.servlet">NameableFilter</a></h3> |
| <code><a href="../../../../../org/apache/shiro/web/servlet/NameableFilter.html#getName--">getName</a>, <a href="../../../../../org/apache/shiro/web/servlet/NameableFilter.html#setName-java.lang.String-">setName</a>, <a href="../../../../../org/apache/shiro/web/servlet/NameableFilter.html#toStringBuilder--">toStringBuilder</a></code></li> |
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| <code><a href="../../../../../org/apache/shiro/web/servlet/AbstractFilter.html#destroy--">destroy</a>, <a href="../../../../../org/apache/shiro/web/servlet/AbstractFilter.html#getFilterConfig--">getFilterConfig</a>, <a href="../../../../../org/apache/shiro/web/servlet/AbstractFilter.html#getInitParam-java.lang.String-">getInitParam</a>, <a href="../../../../../org/apache/shiro/web/servlet/AbstractFilter.html#init-javax.servlet.FilterConfig-">init</a>, <a href="../../../../../org/apache/shiro/web/servlet/AbstractFilter.html#onFilterConfigSet--">onFilterConfigSet</a>, <a href="../../../../../org/apache/shiro/web/servlet/AbstractFilter.html#setFilterConfig-javax.servlet.FilterConfig-">setFilterConfig</a></code></li> |
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| <code><a href="../../../../../org/apache/shiro/web/servlet/ServletContextSupport.html#getContextAttribute-java.lang.String-">getContextAttribute</a>, <a href="../../../../../org/apache/shiro/web/servlet/ServletContextSupport.html#getContextInitParam-java.lang.String-">getContextInitParam</a>, <a href="../../../../../org/apache/shiro/web/servlet/ServletContextSupport.html#getServletContext--">getServletContext</a>, <a href="../../../../../org/apache/shiro/web/servlet/ServletContextSupport.html#removeContextAttribute-java.lang.String-">removeContextAttribute</a>, <a href="../../../../../org/apache/shiro/web/servlet/ServletContextSupport.html#setContextAttribute-java.lang.String-java.lang.Object-">setContextAttribute</a>, <a href="../../../../../org/apache/shiro/web/servlet/ServletContextSupport.html#setServletContext-javax.servlet.ServletContext-">setServletContext</a>, <a href="../../../../../org/apache/shiro/web/servlet/ServletContextSupport.html#toString--">toString</a></code></li> |
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| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <code><a href="https://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
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| <h4>ALREADY_FILTERED_SUFFIX</h4> |
| <pre>public static final <a href="https://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/shiro/web/servlet/OncePerRequestFilter.html#line.59">ALREADY_FILTERED_SUFFIX</a></pre> |
| <div class="block">Suffix that gets appended to the filter name for the "already filtered" request attribute.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#getAlreadyFilteredAttributeName--"><code>getAlreadyFilteredAttributeName()</code></a>, |
| <a href="../../../../../constant-values.html#org.apache.shiro.web.servlet.OncePerRequestFilter.ALREADY_FILTERED_SUFFIX">Constant Field Values</a></dd> |
| </dl> |
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| <h4>OncePerRequestFilter</h4> |
| <pre>public <a href="../../../../../src-html/org/apache/shiro/web/servlet/OncePerRequestFilter.html#line.47">OncePerRequestFilter</a>()</pre> |
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| <h4>isEnabled</h4> |
| <pre>public boolean <a href="../../../../../src-html/org/apache/shiro/web/servlet/OncePerRequestFilter.html#line.83">isEnabled</a>()</pre> |
| <div class="block">Returns <code>true</code> if this filter should <em>generally</em><b>*</b> execute for any request, |
| <code>false</code> if it should let the request/response pass through immediately to the next |
| element in the <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/FilterChain.html?is-external=true" title="class or interface in javax.servlet"><code>FilterChain</code></a>. The default value is <code>true</code>, as most filters would inherently need |
| to execute when configured. |
| <p/> |
| <b>*</b> This configuration property is for general configuration for any request that comes through |
| the filter. The |
| <a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#isEnabled-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>isEnabled(request,response)</code></a> |
| method actually determines whether or not if the filter is enabled based on the current request.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd><code>true</code> if this filter should <em>generally</em> execute, <code>false</code> if it should let the |
| request/response pass through immediately to the next element in the <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/FilterChain.html?is-external=true" title="class or interface in javax.servlet"><code>FilterChain</code></a>.</dd> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>1.2</dd> |
| </dl> |
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| <h4>setEnabled</h4> |
| <pre>public void <a href="../../../../../src-html/org/apache/shiro/web/servlet/OncePerRequestFilter.html#line.94">setEnabled</a>(boolean enabled)</pre> |
| <div class="block">Sets whether or not this filter <em>generally</em> executes for any request. See the |
| <a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#isEnabled--"><code>isEnabled()</code></a> JavaDoc as to what <em>general</em> execution means.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>enabled</code> - whether or not this filter <em>generally</em> executes.</dd> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>1.2</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>doFilter</h4> |
| <pre>public final void <a href="../../../../../src-html/org/apache/shiro/web/servlet/OncePerRequestFilter.html#line.107">doFilter</a>(<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletRequest.html?is-external=true" title="class or interface in javax.servlet">ServletRequest</a> request, |
| <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletResponse.html?is-external=true" title="class or interface in javax.servlet">ServletResponse</a> response, |
| <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/FilterChain.html?is-external=true" title="class or interface in javax.servlet">FilterChain</a> filterChain) |
| throws <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletException.html?is-external=true" title="class or interface in javax.servlet">ServletException</a>, |
| <a href="https://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">This <code>doFilter</code> implementation stores a request attribute for |
| "already filtered", proceeding without filtering again if the |
| attribute is already there.</div> |
| <dl> |
| <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">ServletException</a></code></dd> |
| <dd><code><a href="https://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#getAlreadyFilteredAttributeName--"><code>getAlreadyFilteredAttributeName()</code></a>, |
| <a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#shouldNotFilter-javax.servlet.ServletRequest-"><code>shouldNotFilter(javax.servlet.ServletRequest)</code></a>, |
| <a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#doFilterInternal-javax.servlet.ServletRequest-javax.servlet.ServletResponse-javax.servlet.FilterChain-"><code>doFilterInternal(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isEnabled-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"> |
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| <h4>isEnabled</h4> |
| <pre>protected boolean <a href="../../../../../src-html/org/apache/shiro/web/servlet/OncePerRequestFilter.html#line.159">isEnabled</a>(<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletRequest.html?is-external=true" title="class or interface in javax.servlet">ServletRequest</a> request, |
| <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletResponse.html?is-external=true" title="class or interface in javax.servlet">ServletResponse</a> response) |
| throws <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletException.html?is-external=true" title="class or interface in javax.servlet">ServletException</a>, |
| <a href="https://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Returns <code>true</code> if this filter should filter the specified request, <code>false</code> if it should let the |
| request/response pass through immediately to the next element in the <code>FilterChain</code>. |
| <p/> |
| This default implementation merely returns the value of <a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#isEnabled--"><code>isEnabled()</code></a>, which is |
| <code>true</code> by default (to ensure the filter always executes by default), but it can be overridden by |
| subclasses for request-specific behavior if necessary. For example, a filter could be enabled or disabled |
| based on the request path being accessed. |
| <p/> |
| <b>Helpful Hint:</b> if your subclass extends <a href="../../../../../org/apache/shiro/web/filter/PathMatchingFilter.html" title="class in org.apache.shiro.web.filter"><code>PathMatchingFilter</code></a>, |
| you may wish to instead override the |
| <a href="../../../../../org/apache/shiro/web/filter/PathMatchingFilter.html#isEnabled-javax.servlet.ServletRequest-javax.servlet.ServletResponse-java.lang.String-java.lang.Object-"><code>PathMatchingFilter.isEnabled(request,response,path,pathSpecificConfig)</code></a> |
| method if you want to make your enable/disable decision based on any path-specific configuration.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>request</code> - the incoming servlet request</dd> |
| <dd><code>response</code> - the outbound servlet response</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd><code>true</code> if this filter should filter the specified request, <code>false</code> if it should let the |
| request/response pass through immediately to the next element in the <code>FilterChain</code>.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - in the case of any IO error</dd> |
| <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">ServletException</a></code> - in the case of any error</dd> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>1.2</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/shiro/web/filter/PathMatchingFilter.html#isEnabled-javax.servlet.ServletRequest-javax.servlet.ServletResponse-java.lang.String-java.lang.Object-"><code>PathMatchingFilter.isEnabled(javax.servlet.ServletRequest, javax.servlet.ServletResponse, String, Object)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>getAlreadyFilteredAttributeName</h4> |
| <pre>protected <a href="https://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/shiro/web/servlet/OncePerRequestFilter.html#line.173">getAlreadyFilteredAttributeName</a>()</pre> |
| <div class="block">Return name of the request attribute that identifies that a request has already been filtered. |
| <p/> |
| The default implementation takes the configured <a href="../../../../../org/apache/shiro/web/servlet/NameableFilter.html#getName--"><code>name</code></a> and appends "<code>.FILTERED</code>". |
| If the filter is not fully initialized, it falls back to the implementation's class name.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the name of the request attribute that identifies that a request has already been filtered.</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/shiro/web/servlet/NameableFilter.html#getName--"><code>NameableFilter.getName()</code></a>, |
| <a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#ALREADY_FILTERED_SUFFIX"><code>ALREADY_FILTERED_SUFFIX</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
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| </a> |
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| <h4>shouldNotFilter</h4> |
| <pre><a href="https://docs.oracle.com/javase/6/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| protected boolean <a href="../../../../../src-html/org/apache/shiro/web/servlet/OncePerRequestFilter.html#line.194">shouldNotFilter</a>(<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletRequest.html?is-external=true" title="class or interface in javax.servlet">ServletRequest</a> request) |
| throws <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletException.html?is-external=true" title="class or interface in javax.servlet">ServletException</a></pre> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> <span class="deprecationComment">in favor of overriding <a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#isEnabled-javax.servlet.ServletRequest-javax.servlet.ServletResponse-"><code>isEnabled(javax.servlet.ServletRequest, javax.servlet.ServletResponse)</code></a> |
| for custom behavior. This method will be removed in Shiro 2.0.</span></div> |
| <div class="block">Can be overridden in subclasses for custom filtering control, |
| returning <code>true</code> to avoid filtering of the given request. |
| <p>The default implementation always returns <code>false</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>request</code> - current HTTP request</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>whether the given request should <i>not</i> be filtered</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">ServletException</a></code> - in case of errors</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>doFilterInternal</h4> |
| <pre>protected abstract void <a href="../../../../../src-html/org/apache/shiro/web/servlet/OncePerRequestFilter.html#line.210">doFilterInternal</a>(<a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletRequest.html?is-external=true" title="class or interface in javax.servlet">ServletRequest</a> request, |
| <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/ServletResponse.html?is-external=true" title="class or interface in javax.servlet">ServletResponse</a> response, |
| <a href="https://docs.oracle.com/javaee/5/api/javax/servlet/FilterChain.html?is-external=true" title="class or interface in javax.servlet">FilterChain</a> 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">ServletException</a>, |
| <a href="https://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Same contract as for |
| <a href="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#doFilter-javax.servlet.ServletRequest-javax.servlet.ServletResponse-javax.servlet.FilterChain-"><code>doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)</code></a>, |
| but guaranteed to be invoked only once per request.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>request</code> - incoming <code>ServletRequest</code></dd> |
| <dd><code>response</code> - outgoing <code>ServletResponse</code></dd> |
| <dd><code>chain</code> - the <code>FilterChain</code> 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">ServletException</a></code> - if there is a problem processing the request</dd> |
| <dd><code><a href="https://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if there is an I/O problem processing the request</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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