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FilterChain (Java Portlet Specification V2.0 1.0 API)
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javax.portlet.filter</FONT>
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Interface FilterChain</H2>
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<DL>
<DT><PRE>public interface <B>FilterChain</B></DL>
</PRE>
<P>
A <code>FilterChain</code> is an object provided by the portlet container
to the developer giving a view into the invocation chain of a
filtered request for a portlet. Filters use the <code>FilterChain</code>
to invoke the next filter in the chain, or if the calling filter is the
last filter in the chain, to invoke the portlet at the end of the chain.
<P>
<P>
<DL>
<DT><B>Since:</B></DT>
<DD>2.0</DD>
</DL>
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<P>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/portlet/filter/FilterChain.html#doFilter(javax.portlet.ActionRequest, javax.portlet.ActionResponse)">doFilter</A></B>(<A HREF="../../../javax/portlet/ActionRequest.html" title="interface in javax.portlet">ActionRequest</A> request,
<A HREF="../../../javax/portlet/ActionResponse.html" title="interface in javax.portlet">ActionResponse</A> response)</CODE>
<BR>
Causes the next filter in the chain to be invoked,
or if the calling filter is the last filter in the chain,
causes the portlet at the end of the chain to be invoked.</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="../../../javax/portlet/filter/FilterChain.html#doFilter(javax.portlet.EventRequest, javax.portlet.EventResponse)">doFilter</A></B>(<A HREF="../../../javax/portlet/EventRequest.html" title="interface in javax.portlet">EventRequest</A> request,
<A HREF="../../../javax/portlet/EventResponse.html" title="interface in javax.portlet">EventResponse</A> response)</CODE>
<BR>
Causes the next filter in the chain to be invoked,
or if the calling filter is the last filter in the chain,
causes the portlet at the end of the chain to be invoked.</TD>
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<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="../../../javax/portlet/filter/FilterChain.html#doFilter(javax.portlet.RenderRequest, javax.portlet.RenderResponse)">doFilter</A></B>(<A HREF="../../../javax/portlet/RenderRequest.html" title="interface in javax.portlet">RenderRequest</A> request,
<A HREF="../../../javax/portlet/RenderResponse.html" title="interface in javax.portlet">RenderResponse</A> response)</CODE>
<BR>
Causes the next filter in the chain to be invoked,
or if the calling filter is the last filter in the chain,
causes the portlet at the end of the chain to be invoked.</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="../../../javax/portlet/filter/FilterChain.html#doFilter(javax.portlet.ResourceRequest, javax.portlet.ResourceResponse)">doFilter</A></B>(<A HREF="../../../javax/portlet/ResourceRequest.html" title="interface in javax.portlet">ResourceRequest</A> request,
<A HREF="../../../javax/portlet/ResourceResponse.html" title="interface in javax.portlet">ResourceResponse</A> response)</CODE>
<BR>
Causes the next filter in the chain to be invoked,
or if the calling filter is the last filter in the chain,
causes the portlet at the end of the chain to be invoked.</TD>
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<A NAME="doFilter(javax.portlet.ActionRequest, javax.portlet.ActionResponse)"><!-- --></A><H3>
doFilter</H3>
<PRE>
void <B>doFilter</B>(<A HREF="../../../javax/portlet/ActionRequest.html" title="interface in javax.portlet">ActionRequest</A> request,
<A HREF="../../../javax/portlet/ActionResponse.html" title="interface in javax.portlet">ActionResponse</A> response)
throws java.io.IOException,
<A HREF="../../../javax/portlet/PortletException.html" title="class in javax.portlet">PortletException</A></PRE>
<DL>
<DD>Causes the next filter in the chain to be invoked,
or if the calling filter is the last filter in the chain,
causes the portlet at the end of the chain to be invoked.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>request</CODE> - the current action request.<DD><CODE>response</CODE> - the current action response
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - if an IO error occurred in the filter processing
<DD><CODE><A HREF="../../../javax/portlet/PortletException.html" title="class in javax.portlet">PortletException</A></CODE> - if a portlet exception occurred in the filter processing</DL>
</DD>
</DL>
<HR>
<A NAME="doFilter(javax.portlet.EventRequest, javax.portlet.EventResponse)"><!-- --></A><H3>
doFilter</H3>
<PRE>
void <B>doFilter</B>(<A HREF="../../../javax/portlet/EventRequest.html" title="interface in javax.portlet">EventRequest</A> request,
<A HREF="../../../javax/portlet/EventResponse.html" title="interface in javax.portlet">EventResponse</A> response)
throws java.io.IOException,
<A HREF="../../../javax/portlet/PortletException.html" title="class in javax.portlet">PortletException</A></PRE>
<DL>
<DD>Causes the next filter in the chain to be invoked,
or if the calling filter is the last filter in the chain,
causes the portlet at the end of the chain to be invoked.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>request</CODE> - the current event request.<DD><CODE>response</CODE> - the current event response.
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - if an IO error occured in the filter processing
<DD><CODE><A HREF="../../../javax/portlet/PortletException.html" title="class in javax.portlet">PortletException</A></CODE> - if a portlet exception occured in the filter processing</DL>
</DD>
</DL>
<HR>
<A NAME="doFilter(javax.portlet.RenderRequest, javax.portlet.RenderResponse)"><!-- --></A><H3>
doFilter</H3>
<PRE>
void <B>doFilter</B>(<A HREF="../../../javax/portlet/RenderRequest.html" title="interface in javax.portlet">RenderRequest</A> request,
<A HREF="../../../javax/portlet/RenderResponse.html" title="interface in javax.portlet">RenderResponse</A> response)
throws java.io.IOException,
<A HREF="../../../javax/portlet/PortletException.html" title="class in javax.portlet">PortletException</A></PRE>
<DL>
<DD>Causes the next filter in the chain to be invoked,
or if the calling filter is the last filter in the chain,
causes the portlet at the end of the chain to be invoked.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>request</CODE> - the current render request.<DD><CODE>response</CODE> - the current render response.
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - if an IO error occurred in the filter processing
<DD><CODE><A HREF="../../../javax/portlet/PortletException.html" title="class in javax.portlet">PortletException</A></CODE> - if a portlet exception occurred in the filter processing</DL>
</DD>
</DL>
<HR>
<A NAME="doFilter(javax.portlet.ResourceRequest, javax.portlet.ResourceResponse)"><!-- --></A><H3>
doFilter</H3>
<PRE>
void <B>doFilter</B>(<A HREF="../../../javax/portlet/ResourceRequest.html" title="interface in javax.portlet">ResourceRequest</A> request,
<A HREF="../../../javax/portlet/ResourceResponse.html" title="interface in javax.portlet">ResourceResponse</A> response)
throws java.io.IOException,
<A HREF="../../../javax/portlet/PortletException.html" title="class in javax.portlet">PortletException</A></PRE>
<DL>
<DD>Causes the next filter in the chain to be invoked,
or if the calling filter is the last filter in the chain,
causes the portlet at the end of the chain to be invoked.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>request</CODE> - the current resource request.<DD><CODE>response</CODE> - the current resource response.
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - if an IO error occurred in the filter processing
<DD><CODE><A HREF="../../../javax/portlet/PortletException.html" title="class in javax.portlet">PortletException</A></CODE> - if a portlet exception occurred in the filter processing</DL>
</DD>
</DL>
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