/*
* Copyright 2008-2010 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package es.alvsanand.webpage.web.validators;
import java.text.MessageFormat;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.component.UIInput;
import javax.faces.context.FacesContext;
import javax.faces.validator.Validator;
import javax.faces.validator.ValidatorException;
public class RequiredCheckboxValidator implements Validator {
public void validate(FacesContext context, UIComponent component, Object value)
throws ValidatorException
{
if (value.equals(Boolean.FALSE)) {
String requiredMessage = ((UIInput) component).getRequiredMessage();
if (requiredMessage == null) {
Object label = component.getAttributes().get("label");
if (label == null || (label instanceof String && ((String) label).length() == 0)) {
label = component.getValueExpression("label");
}
if (label == null) {
label = component.getClientId(context);
}
requiredMessage = MessageFormat.format(UIInput.REQUIRED_MESSAGE_ID, label);
}
throw new ValidatorException(
new FacesMessage(FacesMessage.SEVERITY_ERROR, requiredMessage, requiredMessage));
}
}
}