/**
    * This file Copyright (c) 2013 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.templating.renderers;
  
  import info.magnolia.jcr.util.ContentMap;
  import info.magnolia.objectfactory.Components;
  import info.magnolia.rendering.context.RenderingContext;
  import info.magnolia.rendering.engine.RenderException;
  import info.magnolia.rendering.renderer.AbstractRenderer;
  import info.magnolia.rendering.template.RenderableDefinition;
  import info.magnolia.templating.elements.AreaElement;
  import info.magnolia.templating.elements.ComponentElement;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import javax.jcr.Node;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  
  /**
   * The renderer for definitions without template script.
   * Renders ContentMaps from "components" or "component" attribute from contextObjects.
   */
  public class NoScriptRenderer extends AbstractRenderer {
  
      public static final String NO_SCRIPT_RENDERER = "noscript";
      private final Logger log = LoggerFactory.getLogger(getClass());
  
      @Override
      public void render(RenderingContext renderingCtx, Map<String, Object> contextObjects) throws RenderException {
          onRender(null, null, renderingCtx, contextObjects, null);
      }
  
      @Override
      protected void onRender(Node content, RenderableDefinition definition, RenderingContext renderingCtx, Map<String, Object> ctx, String templateScript) throws RenderException {
  
          List<ContentMap> components = null;
          if (ctx.get(AreaElement.ATTRIBUTE_COMPONENT) instanceof ContentMap) {
              components = new ArrayList<ContentMap>();
              components.add((ContentMap) ctx.get(AreaElement.ATTRIBUTE_COMPONENT));
          } else if (ctx.get(AreaElement.ATTRIBUTE_COMPONENTS) instanceof List) {
              components = (List<ContentMap>) ctx.get(AreaElement.ATTRIBUTE_COMPONENTS);
          } else {
              return; // nothing to render
          }
  
          try {
              Appendable out = renderingCtx.getOutputProvider().getAppendable();
  
              for (ContentMap component : components) {
                  ComponentElement componentElement = Components.newInstance(ComponentElement.class);
                  componentElement.setContent(component.getJCRNode());
                  componentElement.begin(out);
                  componentElement.end(out);
  
              }
          } catch (Exception e) {
              throw new RenderException(e);
          }
      }
  
      @Override
      protected Map<String, Object> newContext() {
         return new HashMap<String, Object>();
     }
 
 }