[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-2672) @ValidateProperty annotation for action components
@ValidateProperty annotation for action components
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Key: JBSEAM-2672
URL: http://jira.jboss.com/jira/browse/JBSEAM-2672
Project: JBoss Seam
Issue Type: Feature Request
Components: Core
Reporter: Christian Bauer
Priority: Optional
I have an entity class:
public class Document {
@Length(min/max)
String content;
}
This property is not mapped directly with a value binding to a GUI textarea, it has to be
passed through the form controller/action (where I parse the content for magic stuff):
public class DocumentHome {
String formContent;
persist() {
instance.setContent(formContent);
}
}
This effectively disables any validation of the @Length as only Hibernate Validator will
throw an InvalidStateException on persist(). To get the message into the form, I'd
have to either do manual validation calls in DocumentHome.persist() before copying the
form value onto the instance, or add another @Length annotation to the form-bound property
of the controller:
public class DocumentHome {
@Length(min/max)
String formContent;
persist() {
instance.setContent(formContent);
}
}
This means I need to duplicate the validation rules if one of my entity properties is not
directly mapped to a form but through some intermediate processing in a controller.
I'd like to connect the two, like so:
public class DocumentHome {
@ValidateProperty("some.syntax.that.declares.the.Document.content.property")
String formContent;
persist() {
instance.setContent(formContent);
}
}
I'm marking this as optional because I'm not sure this is a generic problem and
that we need a generic solution. OTOH, duplicating and manual coding of validation
doesn't seem to be the right approach either.
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