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Demonstrate include-code usage

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Closes gh-17161
This commit is contained in:
Rob Winch
2025-05-22 14:57:13 -05:00
parent 0fecaf4924
commit 6eee256e12
3 changed files with 80 additions and 24 deletions
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docs/modules/ROOT/pages/servlet/architecture.adoc
+1 -24
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@@ -29,30 +29,7 @@ In this case, the `Filter` typically writes the `HttpServletResponse`.
The power of the `Filter` comes from the `FilterChain` that is passed into it.
.`FilterChain` Usage Example
[tabs]
======
Java::
+
[source,java,role="primary"]
----
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) {
// do something before the rest of the application
chain.doFilter(request, response); // invoke the rest of the application
// do something after the rest of the application
}
----
Kotlin::
+
[source,kotlin,role="secondary"]
----
fun doFilter(request: ServletRequest, response: ServletResponse, chain: FilterChain) {
// do something before the rest of the application
chain.doFilter(request, response) // invoke the rest of the application
// do something after the rest of the application
}
----
======
include-code::./FilterChainUsage[tag=dofilter,indent=0]
Since a `Filter` impacts only downstream `Filter` instances and the `Servlet`, the order in which each `Filter` is invoked is extremely important.