How does Spring work with apparently no code? -

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i trying understand example described here.

what puzzling me there apparently no code. run spring-security-samples-insecuremvc-3.2.x within tomcat , form presented interact there no java code whatsoever far can see. can't find form. realize code must in 1 of dependencies baffled @ how works.

spring generate/provide default login form if it's configured form-based login , no custom login form configured.

sidenote: how create , configure custom login form is, example, explained here: http://docs.spring.io/spring-security/site/docs/3.2.x/guides/form.html (to long copy/pasted here).


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