Martens Blog

A while ago we started to use Spring Web Flow. We needed to convert our old WizardForms and Multi SimpleFormController screens to the Spring Web Flow ones. After converting about three jsp’s I got fed up with the hidden fields, the submit buttons with the specified name. Generating urls with a flowExecutionKey and eventId was even worse. Also after making al those typos in flowExecutionKey I decided to create a taglibrary which can write different HTML tags needed in Spring Web Flow.
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On a job I did recently we did a lot of refactoring the old (web) application, they used an abundance of (Web) Frameworks, we reduced it to 1 (well actually 2 if you count Spring Web Flow ).

They already had a lot of Controllers and Validators build and also somewhere some custom validation logic in the desired classes. One thing I noticed is that they had a few command objects which had en emailaddress or telephone number. For each of those objects they also wrote a suitable Validator. Copying and pasting all the logic concering emailaddress validation each time, or even worse reinvented the logic.
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