com.sun.webui.jsf.validator.FileChooserLookInValidator Maven / Gradle / Ivy
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/*
* $Id: FileChooserLookInValidator.java,v 1.1.20.1 2009-12-29 05:00:38 jyeary Exp $
*/
package com.sun.webui.jsf.validator;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.validator.Validator;
import javax.faces.validator.ValidatorException;
import com.sun.webui.jsf.component.FileChooser;
// This is difficult to get right. We assume the
// Object is a String. But it is the converted value of
// a possible developer defined facet. If we require the object
// to be a native type of the FileChooserModel we should be ok.
//
/**
* There has to be validator on the LookIn component because it
* may be a developer defined facet. This is the only place where
* the FileChooser policy can be enforced in order to not
* have the local value set to an invalid value.
*
* Since all validators are given a chance to validate even if
* one fails, other validators should not attempt to validate
* if the component is invalid at the time a validator is called.
*
* This validator, if it determines the value invalid, will clear
* the submitted value in order to ensure the last known
* valid value is rendered.
*/
// Note that typing this by referencing FileChooser
// prevents using this in a general Chooser paradigm.
//
public class FileChooserLookInValidator implements Validator {
public void validate(FacesContext context, UIComponent component,
Object value) throws ValidatorException {
FileChooser chooser = (FileChooser) component.getParent();
chooser.validateLookInComponent(context, component, value);
}
}