jrun.servlet
Class FilterChain

jrun.servlet.FilterChain

public class FilterChain

Represents a chain of filters per the Servlet 2.3 specification. The last filter in the chain is the servlet to be invoked.

The service method of this servlet invokes the first filter in the chain.

Author:

Karl Moss

Field Summary

protected java.util.Vector	chain
protected java.util.BitSet	longMask
protected long	shortMask

Constructor Summary

FilterChain(long shortMask, java.util.BitSet longMask)
Construct a chain with just the target servlet

Method Summary

void	addFilter(javax.servlet.Filter filter) Adds a filter to the end of the chain
void	doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response)
boolean	equals(long shortMask, java.util.BitSet longMask) Determines if this filter chain bit mask equals the one supplied
void	init(javax.servlet.Servlet target) Initialize the filter for the current thread
void	service(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response)

Field Detail

chain

protected java.util.Vector chain

shortMask

protected long shortMask

longMask

protected java.util.BitSet longMask

Constructor Detail

FilterChain

public FilterChain(long shortMask,
                   java.util.BitSet longMask)

Construct a chain with just the target servlet

Parameters:

shortMask - The short bit mask

longMask - The long bit mask

Method Detail

addFilter

public void addFilter(javax.servlet.Filter filter)

Adds a filter to the end of the chain

init

public void init(javax.servlet.Servlet target)

Initialize the filter for the current thread

doFilter

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

service

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

equals

public boolean equals(long shortMask,
                      java.util.BitSet longMask)

Determines if this filter chain bit mask equals the one supplied

Parameters:

shortMask - The short bit mask

longMask - The long bit mask

Returns:

true if the bit masks match