/*
    * 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.renderkit.html;
  
  import java.io.IOException;
  import java.util.logging.Logger;
  
  import javax.faces.component.UIComponent;
  import javax.faces.context.FacesContext;
  
  import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFRenderer;
  import org.apache.myfaces.shared.renderkit.html.HtmlRenderer;
  
  /**
   * 
   * @author Leonardo Uribe (latest modification by $Author: struberg $)
   * @version $Revision: 1188235 $ $Date: 2011-10-24 12:09:33 -0500 (Mon, 24 Oct 2011) $
   */
  @JSFRenderer(renderKitId = "HTML_BASIC", family = "javax.faces.Output", type = "javax.faces.CompositeFacet")
  public class HtmlCompositeFacetRenderer extends HtmlRenderer
  {
      //private static final Log log = LogFactory.getLog(HtmlCompositeFacetRenderer.class);
      private static final Logger log = Logger.getLogger(HtmlCompositeFacetRenderer.class.getName());
      
      public boolean getRendersChildren()
      {
          return true;
      }
  
      public void encodeBegin(FacesContext context, UIComponent component)
              throws IOException
      {
      }
  
      public void encodeChildren(FacesContext context, UIComponent component)
              throws IOException
      {
          if (context == null)
          {
              throw new NullPointerException("context");
          }
          if (component == null)
          {
              throw new NullPointerException("component");
          }
          
          String facetName = (String) component.getAttributes().get(UIComponent.FACETS_KEY);
          
          if (facetName == null)
          {
              throw new IOException("Composite facet name under key UIComponent.FACETS_KEY not found "+
                      component.getClientId(context));
          }
          
          UIComponent compositeComponent = UIComponent.getCurrentCompositeComponent(context);
          
          if (compositeComponent == null)
          {
              throw new IOException("parent Composite Component not found when rendering composite component facet "+
                      component.getClientId(context));
          }
          
          UIComponent compositeFacet = (UIComponent) compositeComponent.getFacet(facetName);
          
          if (compositeFacet != null)
          {
              compositeFacet.encodeAll(context);
          }
      }
  
      public void encodeEnd(FacesContext context, UIComponent component)
              throws IOException
      {
      }
  }