accesscontrolfilter.html
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AccessControlFilter
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SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD>
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com.ora.jsp.servlets</FONT>
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Class AccessControlFilter</H2>
<PRE>
java.lang.Object
|
+--<B>com.ora.jsp.servlets.AccessControlFilter</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD>javax.servlet.Filter</DD>
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<DL>
<DT>public class <B>AccessControlFilter</B><DT>extends java.lang.Object<DT>implements javax.servlet.Filter</DL>
<P>
This class provides access control for all requests in the Project
Billboard application, by looking for the authentication token in
the session and forwarding to the login page if not found.
<P>
<P>
<DL>
<DT><B>Version:</B></DT>
<DD>1.0</DD>
<DT><B>Author:</B></DT>
<DD>Hans Bergsten, Gefion software <hans@gefionsoftware.com></DD>
</DL>
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<CODE>private javax.servlet.FilterConfig</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/ora/jsp/servlets/AccessControlFilter.html#config">config</A></B></CODE>
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<CODE>private java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/ora/jsp/servlets/AccessControlFilter.html#loginPage">loginPage</A></B></CODE>
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<TD><CODE><B><A HREF="../../../../com/ora/jsp/servlets/AccessControlFilter.html#AccessControlFilter()">AccessControlFilter</A></B>()</CODE>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/ora/jsp/servlets/AccessControlFilter.html#destroy()">destroy</A></B>()</CODE>
<BR>
Resets the instance variable.</TD>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/ora/jsp/servlets/AccessControlFilter.html#doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)">doFilter</A></B>(javax.servlet.ServletRequest request,
javax.servlet.ServletResponse response,
javax.servlet.FilterChain chain)</CODE>
<BR>
Looks for the authentication token in the session and forwards
to the login page if not found.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/ora/jsp/servlets/AccessControlFilter.html#getContextRelativeURI(javax.servlet.http.HttpServletRequest)">getContextRelativeURI</A></B>(javax.servlet.http.HttpServletRequest request)</CODE>
<BR>
Returns a context-relative path for the request, including
the query string, if any.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/ora/jsp/servlets/AccessControlFilter.html#getForwardURI(javax.servlet.http.HttpServletRequest)">getForwardURI</A></B>(javax.servlet.http.HttpServletRequest request)</CODE>
<BR>
Returns the context-relative path to the login page, with the
parameters used by the login page.</TD>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/ora/jsp/servlets/AccessControlFilter.html#init(javax.servlet.FilterConfig)">init</A></B>(javax.servlet.FilterConfig config)</CODE>
<BR>
Reads the "loginPage" filter init parameter and saves the
value in an instance variable.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<CODE>private boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/ora/jsp/servlets/AccessControlFilter.html#isAuthenticated(javax.servlet.http.HttpServletRequest)">isAuthenticated</A></B>(javax.servlet.http.HttpServletRequest request)</CODE>
<BR>
Returns true if the session contains the authentication token.</TD>
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<TD><B>Methods inherited from class java.lang.Object</B></TD>
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<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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