I felt I didn't have a good understanding of Spring MVC until I understood the lifecycle of the controller. Not being able to find any good resources that showed the workflow step by step, I created this flowchart of the SimpleFormController.
In a single page cheat sheet format, I've found it handy to keep it on my desk. For the beginner, it should be used in conjunction with the API, and nothing beats firing up a debugger and stepping through the code yourself. Once you understand the SimpleFormController, you can easily understand the WizardFormController or create your own custom controller.
I hope someone will find this useful. Please leave comments and let me know if anything is wrong, or if there are any suggestions. Cheers!
SimpleFormController Cheat Sheet
37 comments:
Very handy, they should include this in the spring manual!
thanks
Dude, This is awesome! I just recently did this exercise myself (using a debugger). I simply noted the stack trace in a text file, but your diagram, however, is much more useful. Thanks, Guest
Anyone using Spring should have a copy of this chart readily available. Its the big picture consolidated onto one page! Very cool...
This was so helpful - thanks.
Got any others?!
Its great. Thanks for all the work put into it
Thanks for the excellent work and effort! Your diagram is very useful.
Awesome work! It really helps as a dashboard view. Flow diagram snapshot covers pages of documentation.
Respect man, respect!
Just what I was looking for.
great great help man, this certainly helped simply my model, otherwise i was using cryptic mechanisms to identify formChange :)
Thanks. Just what i needed. 5 out of 5.
Thanks a lot! You save a big amount of time for me!
The most useful Spring-related piece of info all over the web. Made me move out from quick-sands...
Great work, I would like to use this as an image for a presentation I am doing on spring to an OWASP (http://www.owasp.org) meeting in NYC. This is non-profit event.
Thanks for all the comments, nice to see that this is still useful!
I was recently lucky enough to see Rod Johnson give a presentation on Spring 2.5, in particular the Spring MVC annotation support.
By not needing to extend the standard base classes, i think it can drastically simplify the framework.
Won't need my cheat sheet anymore! =) Can't wait to try it out!
I hope this will be helpfull for me, it's just what i was seeking for.
Thanks.
Great flow diagram! I put it on the wall of whatever shop I go to. Good conversation piece. ;)
Any plans on diagramming the AbstractWizardFormController or Web Flow?
This diagram visualizes very well what is wrong with Spring MVC: Philosophy of "Overwrite what you want" makes it easily the most complex web framework ever created.
Sometimes it seems like there was somekind of competition going on, who can make the most incomprehensible Java framework.
Very helpful! I was just struggling understanding the SimpleFormController and this will expedite my learning.
Thanks!
Very useful to teach new Spring users.
This Flow is a little complicated, but with your document, is very easy !
Thanks ;)
spring such a total HACK.
I am AMAZED people gloat how great it is. But for always saying anyone who criticizes it is not EDUCATED enough it just shows the TIME WASTED to get this junk to work is HORRENDOUS.
Wow, thanks!
This is the most useful thing I've seen in a while!
Best regards,
Antti
Finland
Good job. It gave all the info i was looking for
awesum work... I was drawing this using a pen & paper but when i saw this diagram it really made me very happyyyyyyy......Thanks bro
Great work, I have a copy hanging over my computer.
One mistake in the flowchart that I bumped into:
In column B, if suppressValidation returns TRUE, the onBindAndValidate(..) is still called in BaseCommandController.bindAndValidate in Spring 2.0.x. The suppressValidation() only affects the invocation of the validators.
Please keep up the great work. If possible pls make one for spring and hibernate work flow diagram
Thanks, mate. This is incredibly useful. Our team has had a very confusing time trying to get our heads around the workflow of the myriad of controllers in Spring MVC.
Awesome flowchart . Incredibly simple and elegant way of explaining the controller life cycle. Way to go !!
Great job, very useful. Just one thing, you might want to add referenceData() to the chart.
Oops, nevermind, I missed it first time looking. Perfect!
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Oh this is perfect, Thank You!!!
I've been looking for something like this for a long time. Now I can see what method I need to override to do what I want to do.
Rebeccah
Thanks a lot. I needed a break down to do some custom routing, and this helps.
I think the core features of the Spring Framework can be used by any Java application, but there are extensions for building web applications on top of the Java EE platform.
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