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MethodInterceptor (Apache Shiro 1.2.3 API)
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org.apache.shiro.aop</FONT>
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Interface MethodInterceptor</H2>
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<DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../org/apache/shiro/aop/AnnotationMethodInterceptor.html" title="class in org.apache.shiro.aop">AnnotationMethodInterceptor</A>, <A HREF="../../../../org/apache/shiro/authz/aop/AnnotationsAuthorizingMethodInterceptor.html" title="class in org.apache.shiro.authz.aop">AnnotationsAuthorizingMethodInterceptor</A>, <A HREF="../../../../org/apache/shiro/spring/security/interceptor/AopAllianceAnnotationsAuthorizingMethodInterceptor.html" title="class in org.apache.shiro.spring.security.interceptor">AopAllianceAnnotationsAuthorizingMethodInterceptor</A>, <A HREF="../../../../org/apache/shiro/aspectj/AspectjAnnotationsAuthorizingMethodInterceptor.html" title="class in org.apache.shiro.aspectj">AspectjAnnotationsAuthorizingMethodInterceptor</A>, <A HREF="../../../../org/apache/shiro/authz/aop/AuthenticatedAnnotationMethodInterceptor.html" title="class in org.apache.shiro.authz.aop">AuthenticatedAnnotationMethodInterceptor</A>, <A HREF="../../../../org/apache/shiro/authz/aop/AuthorizingAnnotationMethodInterceptor.html" title="class in org.apache.shiro.authz.aop">AuthorizingAnnotationMethodInterceptor</A>, <A HREF="../../../../org/apache/shiro/authz/aop/AuthorizingMethodInterceptor.html" title="class in org.apache.shiro.authz.aop">AuthorizingMethodInterceptor</A>, <A HREF="../../../../org/apache/shiro/authz/aop/GuestAnnotationMethodInterceptor.html" title="class in org.apache.shiro.authz.aop">GuestAnnotationMethodInterceptor</A>, <A HREF="../../../../org/apache/shiro/aop/MethodInterceptorSupport.html" title="class in org.apache.shiro.aop">MethodInterceptorSupport</A>, <A HREF="../../../../org/apache/shiro/authz/aop/PermissionAnnotationMethodInterceptor.html" title="class in org.apache.shiro.authz.aop">PermissionAnnotationMethodInterceptor</A>, <A HREF="../../../../org/apache/shiro/authz/aop/RoleAnnotationMethodInterceptor.html" title="class in org.apache.shiro.authz.aop">RoleAnnotationMethodInterceptor</A>, <A HREF="../../../../org/apache/shiro/authz/aop/UserAnnotationMethodInterceptor.html" title="class in org.apache.shiro.authz.aop">UserAnnotationMethodInterceptor</A></DD>
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<DT><PRE>public interface <A HREF="../../../../src-html/org/apache/shiro/aop/MethodInterceptor.html#line.29"><B>MethodInterceptor</B></A></DL>
</PRE>
<P>
A <tt>MethodInterceptor</tt> intercepts a <tt>MethodInvocation</tt> to perform before or after logic (aka 'advice').
<p>Shiro's implementations of this interface mostly have to deal with ensuring a current Subject has the
ability to execute the method before allowing it to continue.
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<P>
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<DT><B>Since:</B></DT>
<DD>0.2</DD>
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<B>Method Summary</B></FONT></TH>
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<CODE>&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/shiro/aop/MethodInterceptor.html#invoke(org.apache.shiro.aop.MethodInvocation)">invoke</A></B>(<A HREF="../../../../org/apache/shiro/aop/MethodInvocation.html" title="interface in org.apache.shiro.aop">MethodInvocation</A>&nbsp;methodInvocation)</CODE>
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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Invokes the specified <code>MethodInvocation</code>, allowing implementations to perform pre/post/finally
surrounding the actual invocation.</TD>
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<A NAME="invoke(org.apache.shiro.aop.MethodInvocation)"><!-- --></A><H3>
invoke</H3>
<PRE>
<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> <A HREF="../../../../src-html/org/apache/shiro/aop/MethodInterceptor.html#line.39"><B>invoke</B></A>(<A HREF="../../../../org/apache/shiro/aop/MethodInvocation.html" title="interface in org.apache.shiro.aop">MethodInvocation</A>&nbsp;methodInvocation)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</A></PRE>
<DL>
<DD>Invokes the specified <code>MethodInvocation</code>, allowing implementations to perform pre/post/finally
surrounding the actual invocation.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>methodInvocation</CODE> - the <code>MethodInvocation</code> to execute.
<DT><B>Returns:</B><DD>the result of the invocation
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</A></CODE> - if the method invocation throws a Throwable or if an error occurs in pre/post/finally advice.</DL>
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