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org.apache.webapp.balancer
Class BalancerFilter  

java.lang.Object
  org.apache.webapp.balancer.BalancerFilter

All Implemented Interfaces:

javax.servlet.Filter

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public class BalancerFilter

extends java.lang.Object

implements javax.servlet.Filter

The balancer filter redirects incoming requests based on what rules they match. The rules are configurable via an XML document whose URL is specified as an init-param to this filter.

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Field Summary
private  javax.servlet.ServletContext	context           The servlet context.
private  RuleChain	ruleChain           The rules this filter consults.

 

Constructor Summary

BalancerFilter()

 

Method Summary
void	destroy()           Destroy this filter.
void	doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain)           Filter the incoming request.
protected  RuleChain	getRuleChain()           Returns the rule chain.
void	init(javax.servlet.FilterConfig filterConfig)           Initialize this filter.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

ruleChain

private RuleChain ruleChain

The rules this filter consults.

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context

private javax.servlet.ServletContext context

The servlet context.

Constructor Detail

BalancerFilter

public BalancerFilter()

Method Detail

getRuleChain

protected RuleChain getRuleChain()

Returns the rule chain.

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init

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

Initialize this filter.

Specified by:

init in interface javax.servlet.Filter

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doFilter

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

Filter the incoming request. Consults the rule chain to see if any rules match this request, and if so redirects. Otherwise simply let request through.

Specified by:

doFilter in interface javax.servlet.Filter

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destroy

public void destroy()

Destroy this filter.

Specified by:

destroy in interface javax.servlet.Filter

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