| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 javax.faces.validator; |
| |
| import org.apache.myfaces.core.api.shared._MessageUtils; |
| import javax.faces.application.FacesMessage; |
| import javax.faces.component.UIComponent; |
| import javax.faces.component.UIInput; |
| import javax.faces.context.FacesContext; |
| |
| import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFJspProperty; |
| import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFProperty; |
| import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFValidator; |
| |
| /** |
| * Check if a value is empty, in the same way as set UIInput required |
| * property to true (including all rules related to this property). |
| * |
| * @since 2.0 |
| */ |
| @JSFValidator(name = "f:validateRequired", |
| bodyContent = "empty") |
| @JSFJspProperty(name = "binding", |
| returnType = "javax.faces.validator.RequiredValidator", |
| longDesc = "A ValueExpression that evaluates to a RequiredValidator.") |
| public class RequiredValidator implements Validator |
| { |
| |
| // FIELDS |
| public static final String VALIDATOR_ID = "javax.faces.Required"; |
| |
| // CONSTRUCTORS |
| public RequiredValidator() |
| { |
| } |
| |
| // VALIDATE |
| @Override |
| public void validate(FacesContext facesContext, UIComponent uiComponent, |
| Object value) |
| { |
| if (facesContext == null) |
| { |
| throw new NullPointerException("facesContext"); |
| } |
| if (uiComponent == null) |
| { |
| throw new NullPointerException("uiComponent"); |
| } |
| |
| //Check if the value is empty like UIInput.validateValue |
| boolean empty = value == null |
| || (value instanceof String && ((String) value).length() == 0); |
| |
| if (empty) |
| { |
| if (uiComponent instanceof UIInput) |
| { |
| UIInput uiInput = (UIInput) uiComponent; |
| if (uiInput.getRequiredMessage() != null) |
| { |
| String requiredMessage = uiInput.getRequiredMessage(); |
| throw new ValidatorException(new FacesMessage( |
| FacesMessage.SEVERITY_ERROR, requiredMessage, |
| requiredMessage)); |
| } |
| } |
| throw new ValidatorException(_MessageUtils.getMessage(facesContext, |
| facesContext.getViewRoot().getLocale(), |
| FacesMessage.SEVERITY_ERROR, UIInput.REQUIRED_MESSAGE_ID, |
| new Object[] { _MessageUtils.getLabel(facesContext, |
| uiComponent) })); |
| } |
| } |
| |
| @JSFProperty(faceletsOnly=true) |
| @SuppressWarnings("unused") |
| private Boolean isDisabled() |
| { |
| return null; |
| } |
| |
| @JSFProperty(faceletsOnly=true) |
| @SuppressWarnings("unused") |
| private String getFor() |
| { |
| return null; |
| } |
| } |