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package com.sun.faces.cdi;
import javax.faces.component.StateHolder;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.validator.Validator;
import javax.faces.validator.ValidatorException;
/**
* A delegate to the CDI managed validator.
*/
public class CdiValidator implements Validator, StateHolder {
/**
* Stores the validator-id.
*/
private String validatorId;
/**
* Stores a transient reference to the CDI managed converter.
*/
private transient Validator delegate;
/**
* Constructor.
*/
public CdiValidator() {
}
/**
* Constructor.
*
* @param validatorId the validator id.
* @param delegate the delegate.
*/
public CdiValidator(String validatorId, Validator delegate) {
this.validatorId = validatorId;
this.delegate = delegate;
}
/**
* Save the state.
*
* @param facesContext the Faces context.
* @return the saved object.
*/
@Override
public Object saveState(FacesContext facesContext) {
return new Object[]{
validatorId
};
}
/**
* Restore the state.
*
* @param facesContext the Faces context.
* @param state the state.
*/
@Override
public void restoreState(FacesContext facesContext, Object state) {
Object[] stateArray = (Object[]) state;
validatorId = (String) stateArray[0];
}
/**
* Is the validator transient.
*
* @return false
*/
@Override
public boolean isTransient() {
return false;
}
/**
* Set the validator to transient.
*
* <p>
* We ignore the call as our proxy is always non-transient.
* </p>
*
* @param transientValue the transient value.
*/
@Override
public void setTransient(boolean transientValue) {
}
/**
* Get the delegate.
*
* @param facesContext the Faces context.
* @return the delegate.
*/
private Validator getDelegate(FacesContext facesContext) {
if (delegate == null) {
delegate = facesContext.getApplication().createValidator(validatorId);
}
return delegate;
}
/**
* Validate.
*
* @param facesContext the Faces context.
* @param component the UI component.
* @param value the value.
* @throws ValidatorException when a validation error occurs.
*/
@Override
public void validate(FacesContext facesContext, UIComponent component, Object value) throws ValidatorException {
getDelegate(facesContext).validate(facesContext, component, value);
}
}