Hello,
can anybody give me some hints on the configuration of validators to avoid
redundant configuration.
Lets say, you have 3 actions, all off them have a username field. To validate
the username three build-in validators are used (with annotation or via xml).
If the validation rule changes, all three actions (annotations or xml) must be
changed.
My target is to define a custom validator. Then i can use the custom validator
within the three ActionClasses.
Inside the custom validator i want to invoke the build-in validators.
The best thing would be, if the custom validator can be defined via xml.
Example:
<groupvalidators>
<groupvalidator group="username">
<validator name="required"/>
<validator name="regex">
<param name=expression>...</param>
</validator>
<validator name="stringlength">
<param name=maxlen>12</param>
</validator>
</groupvalidator>
<groupvalidator group="password">
<validator name="required"/>
<validator name="regex">
<param name=expression>...</param>
</validator>
<validator name="stringlength">
<param name=minlen>5</param>
</validator>
</groupvalidator>
</groupvalidators>
The action uses the groupvalidator with parameter username or password.
Has anybody done something like this before and can give me some hints.
Especially on calling validators inside a custom validator. Or are there any
other solutions to define a set of validators, which can be used for different
action classes.
Thanks
Andi
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