/*
    * 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 org.apache.myfaces.tobago.internal.component;
  
  import org.apache.myfaces.tobago.component.SupportsMarkup;
  import org.apache.myfaces.tobago.layout.LayoutComponent;
  import org.apache.myfaces.tobago.util.MessageUtils;
  
  import javax.faces.application.FacesMessage;
  import javax.faces.component.UIInput;
  import javax.faces.context.FacesContext;
  
  public abstract class AbstractUISelectOneBase extends javax.faces.component.UISelectOne
      implements SupportsMarkup, LayoutComponent {
  
    public static final String MESSAGE_VALUE_REQUIRED = "tobago.SelectOne.MESSAGE_VALUE_REQUIRED";
  
    public void validate(FacesContext facesContext) {
      if (isRequired()  && !isReadonly()) {
        Object submittedValue = getSubmittedValue();
        if (submittedValue == null || "".equals(submittedValue)) {
          if (getRequiredMessage() != null) {
            String requiredMessage = getRequiredMessage();
            facesContext.addMessage(getClientId(facesContext), new FacesMessage(FacesMessage.SEVERITY_ERROR,
                requiredMessage, requiredMessage));
          } else {
            MessageUtils.addMessage(facesContext, this, FacesMessage.SEVERITY_ERROR,
                UIInput.REQUIRED_MESSAGE_ID, new Object[]{MessageUtils.getLabel(facesContext, this)});
          }
          setValid(false);
        }
      }
      super.validate(facesContext);
    }
  
    public abstract boolean isReadonly();
  }