Using the Validator Framework with Struts (O'Reilly) [LWN.net]

Chuck Cavaness illustrates the use of the Validator Framework on O'Reilly. "Every application has a responsibility to ensure that only valid data is inserted into its repository. After all, what value would an application offer if the data that it relied upon were corrupted? For applications that use a formal database, like a RDBMS, for example, there are rules or constraints that can be placed upon the fields, which help to guarantee that the data stored within it meets a certain level of quality. Any and all applications that utilize the data within the repository have a responsibility to protect the integrity of the data that they submit."

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