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.workplace.threads;
  
  import org.opencms.file.CmsObject;
  import org.opencms.main.CmsLog;
  import org.opencms.main.OpenCms;
  import org.opencms.module.CmsModuleManager;
  import org.opencms.report.A_CmsReportThread;
  import org.opencms.report.I_CmsReport;
  import org.opencms.util.CmsUUID;
  
  import java.util.Collections;
  import java.util.Iterator;
  import java.util.List;
  
  import org.apache.commons.logging.Log;
  
  /**
   * Deletes a module.<p>
   *
   * @since 6.0.0
   */
  public class CmsModuleDeleteThread extends A_CmsReportThread {
  
      /** The log object for this class. */
      private static final Log LOG = CmsLog.getLog(CmsModuleDeleteThread.class);
  
      /** A list of module name to delete. */
      private List<String> m_moduleNames;
  
      /** mode indicating if pre-replacement or final deletion. */
      private boolean m_replaceMode;
  
      /**
       * Creates the module delete thread.<p>
       *
       * @param cms the current cms context
       * @param moduleNames the name of the module
       * @param replaceMode the replace mode
       */
      public CmsModuleDeleteThread(CmsObject cms, List<String> moduleNames, boolean replaceMode) {
  
          super(cms, Messages.get().getBundle().key(Messages.GUI_DELETE_MODULE_THREAD_NAME_1, moduleNames));
          m_moduleNames = moduleNames;
          m_replaceMode = replaceMode;
          initHtmlReport(cms.getRequestContext().getLocale());
          if (LOG.isDebugEnabled()) {
              LOG.debug(Messages.get().getBundle().key(Messages.LOG_DELETE_THREAD_CONSTRUCTED_0));
          }
      }
  
      /**
       * @see org.opencms.report.A_CmsReportThread#getReportUpdate()
       */
      @Override
      public String getReportUpdate() {
  
          return getReport().getReportUpdate();
      }
  
      /**
       * @see java.lang.Runnable#run()
       */
      @Override
      public void run() {
  
          I_CmsReport report = getReport();
          CmsUUID pauseId = OpenCms.getSearchManager().pauseOfflineIndexing();
          try {
              if (LOG.isDebugEnabled()) {
                  LOG.debug(Messages.get().getBundle().key(Messages.LOG_DELETE_THREAD_STARTED_0));
              }
              if (!m_replaceMode) {
                  OpenCms.getModuleManager().checkModuleSelectionList(m_moduleNames, null, true);
              }
              m_moduleNames = CmsModuleManager.topologicalSort(m_moduleNames, null);
              Collections.reverse(m_moduleNames);
  
              Iterator<String> j = m_moduleNames.iterator();
              while (j.hasNext()) {
                  String moduleName = j.next();
  
                  moduleName = moduleName.replace('\\', '/');
  
                  // now delete the module
                  OpenCms.getModuleManager().deleteModule(getCms(), moduleName, m_replaceMode, report);
              }
  
              if (LOG.isDebugEnabled()) {
                  LOG.debug(Messages.get().getBundle().key(Messages.LOG_DELETE_THREAD_FINISHED_0));
              }
          } catch (Throwable e) {
              report.println(e);
              LOG.error(Messages.get().getBundle().key(Messages.LOG_MODULE_DELETE_FAILED_1, m_moduleNames), e);
          } finally {
              OpenCms.getSearchManager().resumeOfflineIndexing(pauseId);
          }
      }
  }