java.lang.Object
com.sun.net.httpserver.Filter.Chain
- Enclosing class:
- Filter
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
ConstructorsConstructorDescriptionChain(List<Filter> filters, HttpHandler handler) Creates aChaininstance with given filters and handler. -
Method Summary
Modifier and TypeMethodDescriptionvoiddoFilter(HttpExchange exchange) Calls the next filter in the chain, or else the users exchange handler, if this is the final filter in the chain.
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Constructor Details
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Chain
Creates aChaininstance with given filters and handler.- Parameters:
filters- the filters that make up theChainhandler- theHttpHandlerthat will be invoked after the finalFilterhas finished
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Method Details
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doFilter
Calls the next filter in the chain, or else the users exchange handler, if this is the final filter in the chain. TheFiltermay 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- theHttpExchange- Throws:
IOException- if an I/O error occursNullPointerException- if exchange isnull
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