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| AdviceFilter (Apache Shiro :: Web 1.2.3 API) |
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| <H2> |
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| org.apache.shiro.web.servlet</FONT> |
| <BR> |
| Class AdviceFilter</H2> |
| <PRE> |
| <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A> |
| <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../org/apache/shiro/web/servlet/ServletContextSupport.html" title="class in org.apache.shiro.web.servlet">org.apache.shiro.web.servlet.ServletContextSupport</A> |
| <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../org/apache/shiro/web/servlet/AbstractFilter.html" title="class in org.apache.shiro.web.servlet">org.apache.shiro.web.servlet.AbstractFilter</A> |
| <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../org/apache/shiro/web/servlet/NameableFilter.html" title="class in org.apache.shiro.web.servlet">org.apache.shiro.web.servlet.NameableFilter</A> |
| <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html" title="class in org.apache.shiro.web.servlet">org.apache.shiro.web.servlet.OncePerRequestFilter</A> |
| <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.shiro.web.servlet.AdviceFilter</B> |
| </PRE> |
| <DL> |
| <DT><B>All Implemented Interfaces:</B> <DD>javax.servlet.Filter, org.apache.shiro.util.Nameable</DD> |
| </DL> |
| <DL> |
| <DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../../org/apache/shiro/web/filter/authc/LogoutFilter.html" title="class in org.apache.shiro.web.filter.authc">LogoutFilter</A>, <A HREF="../../../../../org/apache/shiro/web/filter/PathMatchingFilter.html" title="class in org.apache.shiro.web.filter">PathMatchingFilter</A></DD> |
| </DL> |
| <HR> |
| <DL> |
| <DT><PRE>public abstract class <B>AdviceFilter</B><DT>extends <A HREF="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html" title="class in org.apache.shiro.web.servlet">OncePerRequestFilter</A></DL> |
| </PRE> |
| |
| <P> |
| A Servlet Filter that enables AOP-style "around" advice for a ServletRequest via |
| <A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#preHandle(javax.servlet.ServletRequest, javax.servlet.ServletResponse)"><CODE>preHandle</CODE></A>, |
| <A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#postHandle(javax.servlet.ServletRequest, javax.servlet.ServletResponse)"><CODE>postHandle</CODE></A>, |
| and <A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#afterCompletion(javax.servlet.ServletRequest, javax.servlet.ServletResponse, java.lang.Exception)"><CODE>afterCompletion</CODE></A> |
| hooks. |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>Since:</B></DT> |
| <DD>0.9</DD> |
| </DL> |
| <HR> |
| |
| <P> |
| <!-- =========== FIELD SUMMARY =========== --> |
| |
| <A NAME="field_summary"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Field Summary</B></FONT></TH> |
| </TR> |
| </TABLE> |
| <A NAME="fields_inherited_from_class_org.apache.shiro.web.servlet.OncePerRequestFilter"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TH ALIGN="left"><B>Fields inherited from class org.apache.shiro.web.servlet.<A HREF="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html" title="class in org.apache.shiro.web.servlet">OncePerRequestFilter</A></B></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><A HREF="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#ALREADY_FILTERED_SUFFIX">ALREADY_FILTERED_SUFFIX</A></CODE></TD> |
| </TR> |
| </TABLE> |
| <A NAME="fields_inherited_from_class_org.apache.shiro.web.servlet.AbstractFilter"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TH ALIGN="left"><B>Fields inherited from class org.apache.shiro.web.servlet.<A HREF="../../../../../org/apache/shiro/web/servlet/AbstractFilter.html" title="class in org.apache.shiro.web.servlet">AbstractFilter</A></B></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><A HREF="../../../../../org/apache/shiro/web/servlet/AbstractFilter.html#filterConfig">filterConfig</A></CODE></TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| |
| <A NAME="constructor_summary"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Constructor Summary</B></FONT></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#AdviceFilter()">AdviceFilter</A></B>()</CODE> |
| |
| <BR> |
| </TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ========== METHOD SUMMARY =========== --> |
| |
| <A NAME="method_summary"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Method Summary</B></FONT></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#afterCompletion(javax.servlet.ServletRequest, javax.servlet.ServletResponse, java.lang.Exception)">afterCompletion</A></B>(javax.servlet.ServletRequest request, |
| javax.servlet.ServletResponse response, |
| <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A> exception)</CODE> |
| |
| <BR> |
| Called in all cases in a <code>finally</code> block even if <A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#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.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#cleanup(javax.servlet.ServletRequest, javax.servlet.ServletResponse, java.lang.Exception)">cleanup</A></B>(javax.servlet.ServletRequest request, |
| javax.servlet.ServletResponse response, |
| <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A> existing)</CODE> |
| |
| <BR> |
| Executes cleanup logic in the <code>finally</code> code block in the |
| <A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#doFilterInternal(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)"><CODE>doFilterInternal</CODE></A> |
| implementation.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#doFilterInternal(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)">doFilterInternal</A></B>(javax.servlet.ServletRequest request, |
| javax.servlet.ServletResponse response, |
| javax.servlet.FilterChain chain)</CODE> |
| |
| <BR> |
| Actually implements the chain execution logic, utilizing |
| <A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#preHandle(javax.servlet.ServletRequest, javax.servlet.ServletResponse)"><CODE>pre</CODE></A>, |
| <A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#postHandle(javax.servlet.ServletRequest, javax.servlet.ServletResponse)"><CODE>post</CODE></A>, and |
| <A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#afterCompletion(javax.servlet.ServletRequest, javax.servlet.ServletResponse, java.lang.Exception)"><CODE>after</CODE></A> |
| advice hooks.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#executeChain(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)">executeChain</A></B>(javax.servlet.ServletRequest request, |
| javax.servlet.ServletResponse response, |
| javax.servlet.FilterChain chain)</CODE> |
| |
| <BR> |
| Actually executes the specified filter chain by calling <code>chain.doFilter(request,response);</code>.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#postHandle(javax.servlet.ServletRequest, javax.servlet.ServletResponse)">postHandle</A></B>(javax.servlet.ServletRequest request, |
| javax.servlet.ServletResponse response)</CODE> |
| |
| <BR> |
| Allows 'post' advice logic to be called, but only if no exception occurs during filter chain execution.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected boolean</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#preHandle(javax.servlet.ServletRequest, javax.servlet.ServletResponse)">preHandle</A></B>(javax.servlet.ServletRequest request, |
| javax.servlet.ServletResponse response)</CODE> |
| |
| <BR> |
| Returns <code>true</code> if the filter chain should be allowed to continue, <code>false</code> otherwise.</TD> |
| </TR> |
| </TABLE> |
| <A NAME="methods_inherited_from_class_org.apache.shiro.web.servlet.OncePerRequestFilter"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TH ALIGN="left"><B>Methods inherited from class org.apache.shiro.web.servlet.<A HREF="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html" title="class in org.apache.shiro.web.servlet">OncePerRequestFilter</A></B></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><A HREF="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)">doFilter</A>, <A HREF="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#getAlreadyFilteredAttributeName()">getAlreadyFilteredAttributeName</A>, <A HREF="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#isEnabled()">isEnabled</A>, <A HREF="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#isEnabled(javax.servlet.ServletRequest, javax.servlet.ServletResponse)">isEnabled</A>, <A HREF="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#setEnabled(boolean)">setEnabled</A>, <A HREF="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#shouldNotFilter(javax.servlet.ServletRequest)">shouldNotFilter</A></CODE></TD> |
| </TR> |
| </TABLE> |
| <A NAME="methods_inherited_from_class_org.apache.shiro.web.servlet.NameableFilter"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TH ALIGN="left"><B>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></B></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><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></TD> |
| </TR> |
| </TABLE> |
| <A NAME="methods_inherited_from_class_org.apache.shiro.web.servlet.AbstractFilter"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TH ALIGN="left"><B>Methods inherited from class org.apache.shiro.web.servlet.<A HREF="../../../../../org/apache/shiro/web/servlet/AbstractFilter.html" title="class in org.apache.shiro.web.servlet">AbstractFilter</A></B></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><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></TD> |
| </TR> |
| </TABLE> |
| <A NAME="methods_inherited_from_class_org.apache.shiro.web.servlet.ServletContextSupport"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TH ALIGN="left"><B>Methods inherited from class org.apache.shiro.web.servlet.<A HREF="../../../../../org/apache/shiro/web/servlet/ServletContextSupport.html" title="class in org.apache.shiro.web.servlet">ServletContextSupport</A></B></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><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></TD> |
| </TR> |
| </TABLE> |
| <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> |
| </TR> |
| </TABLE> |
| |
| <P> |
| |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| |
| <A NAME="constructor_detail"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
| <B>Constructor Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="AdviceFilter()"><!-- --></A><H3> |
| AdviceFilter</H3> |
| <PRE> |
| public <B>AdviceFilter</B>()</PRE> |
| <DL> |
| </DL> |
| |
| <!-- ============ METHOD DETAIL ========== --> |
| |
| <A NAME="method_detail"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
| <B>Method Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="preHandle(javax.servlet.ServletRequest, javax.servlet.ServletResponse)"><!-- --></A><H3> |
| preHandle</H3> |
| <PRE> |
| protected boolean <B>preHandle</B>(javax.servlet.ServletRequest request, |
| javax.servlet.ServletResponse response) |
| throws <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A></PRE> |
| <DL> |
| <DD>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. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>request</CODE> - the incoming ServletRequest<DD><CODE>response</CODE> - the outgoing ServletResponse |
| <DT><B>Returns:</B><DD><code>true</code> if the filter chain should be allowed to continue, <code>false</code> otherwise. |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A></CODE> - if there is any error.</DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="postHandle(javax.servlet.ServletRequest, javax.servlet.ServletResponse)"><!-- --></A><H3> |
| postHandle</H3> |
| <PRE> |
| protected void <B>postHandle</B>(javax.servlet.ServletRequest request, |
| javax.servlet.ServletResponse response) |
| throws <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A></PRE> |
| <DL> |
| <DD>Allows 'post' advice logic to be called, but only if no exception occurs during filter chain execution. That |
| is, if <A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#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="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#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. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>request</CODE> - the incoming ServletRequest<DD><CODE>response</CODE> - the outgoing ServletResponse |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A></CODE> - if an error occurs.</DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="afterCompletion(javax.servlet.ServletRequest, javax.servlet.ServletResponse, java.lang.Exception)"><!-- --></A><H3> |
| afterCompletion</H3> |
| <PRE> |
| public void <B>afterCompletion</B>(javax.servlet.ServletRequest request, |
| javax.servlet.ServletResponse response, |
| <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A> exception) |
| throws <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A></PRE> |
| <DL> |
| <DD>Called in all cases in a <code>finally</code> block even if <A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#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. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>request</CODE> - the incoming ServletRequest<DD><CODE>response</CODE> - the outgoing ServletResponse<DD><CODE>exception</CODE> - any exception thrown during <A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#preHandle(javax.servlet.ServletRequest, javax.servlet.ServletResponse)"><CODE>preHandle</CODE></A>, <A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#executeChain(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)"><CODE>executeChain</CODE></A>, |
| or <A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#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). |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A></CODE> - if an error occurs.</DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="executeChain(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)"><!-- --></A><H3> |
| executeChain</H3> |
| <PRE> |
| protected void <B>executeChain</B>(javax.servlet.ServletRequest request, |
| javax.servlet.ServletResponse response, |
| javax.servlet.FilterChain chain) |
| throws <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A></PRE> |
| <DL> |
| <DD>Actually executes the specified filter chain by calling <code>chain.doFilter(request,response);</code>. |
| <p/> |
| Can be overridden by subclasses for custom logic. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>request</CODE> - the incoming ServletRequest<DD><CODE>response</CODE> - the outgoing ServletResponse<DD><CODE>chain</CODE> - the filter chain to execute |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A></CODE> - if there is any error executing the chain.</DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="doFilterInternal(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)"><!-- --></A><H3> |
| doFilterInternal</H3> |
| <PRE> |
| public void <B>doFilterInternal</B>(javax.servlet.ServletRequest request, |
| javax.servlet.ServletResponse response, |
| javax.servlet.FilterChain chain) |
| throws javax.servlet.ServletException, |
| <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
| <DL> |
| <DD>Actually implements the chain execution logic, utilizing |
| <A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#preHandle(javax.servlet.ServletRequest, javax.servlet.ServletResponse)"><CODE>pre</CODE></A>, |
| <A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#postHandle(javax.servlet.ServletRequest, javax.servlet.ServletResponse)"><CODE>post</CODE></A>, and |
| <A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#afterCompletion(javax.servlet.ServletRequest, javax.servlet.ServletResponse, java.lang.Exception)"><CODE>after</CODE></A> |
| advice hooks. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html#doFilterInternal(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)">doFilterInternal</A></CODE> in class <CODE><A HREF="../../../../../org/apache/shiro/web/servlet/OncePerRequestFilter.html" title="class in org.apache.shiro.web.servlet">OncePerRequestFilter</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>request</CODE> - the incoming ServletRequest<DD><CODE>response</CODE> - the outgoing ServletResponse<DD><CODE>chain</CODE> - the filter chain to execute |
| <DT><B>Throws:</B> |
| <DD><CODE>javax.servlet.ServletException</CODE> - if a servlet-related error occurs |
| <DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an IO error occurs</DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="cleanup(javax.servlet.ServletRequest, javax.servlet.ServletResponse, java.lang.Exception)"><!-- --></A><H3> |
| cleanup</H3> |
| <PRE> |
| protected void <B>cleanup</B>(javax.servlet.ServletRequest request, |
| javax.servlet.ServletResponse response, |
| <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A> existing) |
| throws javax.servlet.ServletException, |
| <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE> |
| <DL> |
| <DD>Executes cleanup logic in the <code>finally</code> code block in the |
| <A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#doFilterInternal(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)"><CODE>doFilterInternal</CODE></A> |
| implementation. |
| <p/> |
| This implementation specifically calls |
| <A HREF="../../../../../org/apache/shiro/web/servlet/AdviceFilter.html#afterCompletion(javax.servlet.ServletRequest, javax.servlet.ServletResponse, java.lang.Exception)"><CODE>afterCompletion</CODE></A> |
| as well as handles any exceptions properly. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>request</CODE> - the incoming <code>ServletRequest</code><DD><CODE>response</CODE> - the outgoing <code>ServletResponse</code><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>. |
| <DT><B>Throws:</B> |
| <DD><CODE>javax.servlet.ServletException</CODE> - if any exception other than an <code>IOException</code> is thrown. |
| <DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if the pre/chain/post execution throw an <code>IOException</code></DL> |
| </DD> |
| </DL> |
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