biz.hammurapi.web
Class ExpandingFilter

java.lang.Object
  biz.hammurapi.web.ExpandingFilter

All Implemented Interfaces:

javax.servlet.Filter

public class ExpandingFilter

extends java.lang.Object

implements javax.servlet.Filter

Replaces response output stream and writer with "parsing" ones, which subsitute ${expression} occurences with expression evaluation results.

Version:

$Revision: 1.1 $

Author:

Pavel Vlasov

Constructor Summary

ExpandingFilter()

Method Summary

void	destroy()
void	doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain)
void	init(javax.servlet.FilterConfig filterConfig) Init method for this filter

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExpandingFilter

public ExpandingFilter()

Method Detail

init

public void init(javax.servlet.FilterConfig filterConfig)
          throws javax.servlet.ServletException

Init method for this filter

Specified by:

init in interface javax.servlet.Filter

Throws:

javax.servlet.ServletException

doFilter

public void doFilter(javax.servlet.ServletRequest request,
                     javax.servlet.ServletResponse response,
                     javax.servlet.FilterChain chain)
              throws java.io.IOException,
                     javax.servlet.ServletException

Specified by:

doFilter in interface javax.servlet.Filter

Parameters:

request - The servlet request we are processing

chain - The filter chain we are processing

Throws:

java.io.IOException - if an input/output error occurs

javax.servlet.ServletException - if a servlet error occurs

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Filter