/**
    * This file Copyright (c) 2014-2015 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.dam.external.app.contentview.column;
  
  import info.magnolia.cms.util.PathUtil;
  import info.magnolia.dam.api.Asset;
  import info.magnolia.dam.api.Item;
  import info.magnolia.ui.vaadin.integration.contentconnector.ContentConnector;
  import info.magnolia.ui.workbench.column.AbstractColumnFormatter;
  
  import javax.inject.Inject;
  
  import org.apache.commons.lang3.StringUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.google.common.net.MediaType;
  import com.vaadin.data.util.BeanItem;
  import com.vaadin.ui.Table;
  
  /**
   * ColumnFormatter for types of assets.
   */
  public class AssetTypeColumnFormatter extends AbstractColumnFormatter<AssetTypeColumnDefinition> {
  
      private static final Logger log = LoggerFactory.getLogger(AssetTypeColumnFormatter.class);
      private final ContentConnector contentConnector;
  
      @Inject
      public AssetTypeColumnFormatter(AssetTypeColumnDefinition definition, ContentConnector contentConnector) {
          super(definition);
          this.contentConnector = contentConnector;
      }
  
      @Override
      public Object generateCell(Table source, Object itemId, Object columnId) {
          com.vaadin.data.Item uiItem = contentConnector.getItem(itemId);
          if (uiItem instanceof BeanItem) {
              Item item = ((BeanItem<Item>) uiItem).getBean();
              if (item != null && item.isAsset()) {
                  String value = "?";
                  try {
                      MediaType mediaType = MediaType.parse(((Asset) item).getMimeType());
                      value = mediaType.type();
                  } catch (Exception e) {
                      log.warn("Not able to define a Mediatype based on the following mimeType '{}'", ((Asset) item).getMimeType());
                  }
                  if (definition.addFileExtension()) {
                      value = value + " - " + PathUtil.getExtension(((Asset) item).getFileName());
                  }
                  return value;
              }
          }
          return StringUtils.EMPTY;
      }
  }