content: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH & Co. KG (https://www.alkacon.com)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   * Lesser General Public License for more details.
   *
   * For further information about Alkacon Software, please see the
   * company website: https://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: https://www.opencms.org
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package org.opencms.pdftools;
  
  import org.opencms.cache.CmsVfsNameBasedDiskCache;
  import org.opencms.file.CmsResource;
  import org.opencms.file.wrapper.CmsWrappedResource;
  import org.opencms.main.OpenCms;
  
  /**
   * Cache class for storing generated PDFs in the RFS.<p>
   *
   * This class stores all cached files in a single folder.
   */
  public class CmsPdfCache extends CmsVfsNameBasedDiskCache {
  
      /** The folder name for the cache folder. */
      public static final String PDF_CACHE_FOLDER = "pdfcache";
  
      /**
       * Creates a new cache instance.<p>
       */
      public CmsPdfCache() {
  
          super(OpenCms.getSystemInfo().getWebInfRfsPath(), PDF_CACHE_FOLDER);
      }
  
      /**
       * @see org.opencms.cache.CmsVfsNameBasedDiskCache#getCacheName(org.opencms.file.CmsResource, java.lang.String)
       */
      @Override
      public String getCacheName(CmsResource resource, String parameters) {
  
          // we want a 'flat' folder structure, so we create a fake resource with a path in which the slashes
          // from the original path have been transformed to underscores
          CmsWrappedResource wrapper = new CmsWrappedResource(resource);
          String fakePath = "/" + resource.getRootPath().replaceAll("/", "_");
          // the extension doesn't really matter for the caching, but with an extension of PDF it's easier to look at the files in the cache folder with
          // file managers, so we replace the extension
          fakePath = fakePath.replaceFirst("\\.(?:html|xml)$", ".pdf");
          wrapper.setRootPath(fakePath);
          CmsResource fakeResource = wrapper.getResource();
          return super.getCacheName(fakeResource, parameters);
      }
  
  }
  