package org.crank.web.validation.jsf.support;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.validator.Validator;
import org.crank.annotations.design.DependsOnJSF;
import org.crank.core.CrankContext;
import org.crank.core.ObjectNotFound;
import org.crank.core.ObjectRegistry;
import org.crank.validation.FieldValidator;
/**
*
* <p>
* Bridges from the Crank validator world to the JSF world.
* This allows us to easily associated validators with JSF component ids.
* </p>
* @author Rick Hightower
*/
@DependsOnJSF
public class JSFBridgeComponentNameDrivenValidator extends AbstractJSFBridgeValidator implements Validator {
/** Looks up the validator based on the id of the component.
* It first tries to find the validator using the component id if it
* does not find it with that
* it uses the clientId.
*/
protected FieldValidator findValidatorAndFieldName(
FacesContext facesContext, UIComponent component,
String [] fieldName) {
/* Try to read the validator out of the Spring context.
* First lookup with id, if you don't find it with component id, use the client id.
*/
ObjectRegistry applicationContext = CrankContext.getObjectRegistry();
String componentId = component.getId();
FieldValidator validator;
try {
/* Look up the more specific validator, e.g., EmployeeForm.age. */
String clientId = component.getClientId(facesContext);
validator = (FieldValidator) applicationContext.getObject(clientId);
} catch (ObjectNotFound oe) {
/* Look up the less specific validator, e.g., age. */
validator = (FieldValidator) applicationContext.getObject(componentId);
}
return validator;
}
@Override
protected void cleanup() {
// TODO Auto-generated method stub
}
}