com.sun.net.httpserver
Class Filter.Chain

java.lang.Object
  com.sun.net.httpserver.Filter.Chain

Enclosing class:

Filter

public static class Filter.Chain
extends java.lang.Object

a chain of filters associated with a HttpServer. Each filter in the chain is given one of these so it can invoke the next filter in the chain

Constructor Summary

Filter.Chain(java.util.List<Filter> filters, HttpHandler handler)

Method Summary

void	doFilter(HttpExchange exchange) calls the next filter in the chain, or else the users exchange handler, if this is the final filter in the chain.

Methods inherited from class java.lang.Object

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

Constructor Detail

Filter.Chain

public Filter.Chain(java.util.List<Filter> filters,
                    HttpHandler handler)

Method Detail

doFilter

public void doFilter(HttpExchange exchange)
              throws java.io.IOException

calls the next filter in the chain, or else the users exchange handler, if this is the final filter in the chain. The Filter may decide to terminate the chain, by not calling this method. In this case, the filter must send the response to the request, because the application's exchange handler will not be invoked.

Parameters:

exchange - the HttpExchange

Throws:

java.io.IOException - let exceptions pass up the stack

java.lang.NullPointerException - if exchange is null