/*
    * 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.Visual;
  import org.apache.myfaces.tobago.util.ComponentUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import javax.faces.component.UISelectItem;
  import javax.faces.component.UISelectMany;
  import javax.faces.context.FacesContext;
  import java.lang.invoke.MethodHandles;
  
  /**
   * {@link org.apache.myfaces.tobago.internal.taglib.component.SelectItemTagDeclaration}
   */
  public abstract class AbstractUISelectItem extends UISelectItem implements Visual {
  
    private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  
    private boolean itemValueLiteral;
  
    @Override
    public void setItemValue(final Object itemValue) {
      if (itemValue instanceof String) {
        itemValueLiteral = true;
      } else if (itemValue == null) {
        // ignore
      } else {
        LOG.warn("Unexpected type of literal for attribute 'itemValue': "
            + "type=" + itemValue.getClass().getName() + " value='" + itemValue + "'.");
      }
      super.setItemValue(itemValue);
    }
  
    @Override
    public Object getItemValue() {
      if (itemValueLiteral && !(getParent() instanceof UISelectMany)) {
        final Object converted = ComponentUtils.getConvertedValue(
            FacesContext.getCurrentInstance(), getParent(), (String) super.getItemValue());
        return converted;
      } else {
        return super.getItemValue();
      }
    }
  }