/*
    * 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.UISelectBoolean;
  import javax.faces.context.FacesContext;
  
  public abstract class AbstractUISelectBooleanCheckbox extends UISelectBoolean
      implements LayoutComponent, SupportsMarkup {
  
    public boolean isSelected() {
      Object value = getSubmittedValue();
      if (value == null) {
        value = getValue();
      }
      if (value instanceof Boolean) {
        return ((Boolean) value);
      } else {
        return value != null && Boolean.valueOf(value.toString());
      }
    }
  
    protected void validateValue(FacesContext facesContext, Object convertedValue) {
      if (isRequired()) {
        if (convertedValue instanceof Boolean && !((Boolean) convertedValue)
            // String: e. g. if there is no ValueExpression
            || convertedValue instanceof String && !Boolean.parseBoolean((String) convertedValue)) {
          MessageUtils.addMessage(
              facesContext, this, FacesMessage.SEVERITY_ERROR, REQUIRED_MESSAGE_ID, new Object[]{getId()});
          setValid(false);
          return;
        }
      }
      super.validateValue(facesContext, convertedValue);
    }
  }