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 GmbH & Co. KG, 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.staticexport;
  
  import org.opencms.main.CmsLog;
  import org.opencms.main.OpenCms;
  import org.opencms.report.I_CmsReport;
  import org.opencms.util.CmsUUID;
  
  import org.apache.commons.logging.Log;
  
  /**
   * Abstract implementation for the <code>{@link I_CmsStaticExportHandler}</code> interface.<p>
   *
   * This handler is most suitable for dynamic sites that use the static export
   * as optimization for non-dynamic content.<p>
   *
   * @since 6.0.0
   *
   * @see I_CmsStaticExportHandler
   */
  public abstract class A_CmsOnDemandStaticExportHandler extends A_CmsStaticExportHandler {
  
      /** The log object for this class. */
      private static final Log LOG = CmsLog.getLog(A_CmsOnDemandStaticExportHandler.class);
  
      /**
       * @see org.opencms.staticexport.I_CmsStaticExportHandler#performEventPublishProject(org.opencms.util.CmsUUID, org.opencms.report.I_CmsReport)
       */
      @Override
      public void performEventPublishProject(CmsUUID publishHistoryId, I_CmsReport report) {
  
          int count = 0;
          // if the handler is still running, we must wait up to 30 secounds until it is finished
          while ((count < CmsStaticExportManager.HANDLER_FINISH_TIME) && isBusy()) {
              count++;
              try {
                  if (LOG.isInfoEnabled()) {
                      LOG.info(
                          Messages.get().getBundle().key(
                              Messages.LOG_WAITING_STATIC_EXPORT_3,
                              getClass().getName(),
                              Integer.valueOf(count),
                              Integer.valueOf(CmsStaticExportManager.HANDLER_FINISH_TIME)));
                  }
                  Thread.sleep(1000);
              } catch (InterruptedException e) {
                  // if interrupted we ignore the handler, this will produce some log messages but should be ok
                  count = CmsStaticExportManager.HANDLER_FINISH_TIME;
              }
          }
  
          if (isBusy()) {
              // if the handler is still busy write a warning to the log and exit
              Object[] arguments = new Object[] {
                  publishHistoryId,
                  Integer.valueOf(CmsStaticExportManager.HANDLER_FINISH_TIME)};
              LOG.error(Messages.get().getBundle().key(Messages.LOG_SCRUBBING_FOLDER_FAILED_2, arguments));
  
              return;
          }
  
          final CmsUUID id = publishHistoryId;
  
          if (OpenCms.getRunLevel() >= OpenCms.RUNLEVEL_1_CORE_OBJECT) {
              // only perform scrubbing if OpenCms is still running
              m_busy = true;
              Thread t = new Thread(new Runnable() {
  
                  public void run() {
  
                      try {
                          scrubExportFolders(id);
                      } finally {
                          m_busy = false;
                      }
                  }
              }, Messages.get().getBundle().key(Messages.GUI_THREAD_NAME_SCRUB_EXPORT_FOLDERS_1, String.valueOf(id)));
              t.start();
          }
      }
  }