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.mx;
  
  import org.opencms.file.CmsObject;
  import org.opencms.main.CmsLog;
  import org.opencms.main.OpenCms;
  import org.opencms.main.OpenCmsServlet;
  import org.opencms.main.OpenCmsServlet.RequestInfo;
  
  import java.lang.management.ManagementFactory;
  import java.util.ArrayList;
  import java.util.List;
  
  import javax.management.MBeanServer;
  import javax.management.ObjectName;
  
  import org.apache.commons.logging.Log;
  
  /**
   * Bean for special diagnostic information retrievable via JMX.
   */
  public class CmsDiagnosticsMXBean implements I_CmsDiagnosticsMXBean {
  
      /** The instance. */
      public static final CmsDiagnosticsMXBean INSTANCE = new CmsDiagnosticsMXBean();
      private static CmsObject adminCms;
  
      private static final Log LOG = CmsLog.getLog(CmsDiagnosticsMXBean.class);
  
      /**
       * Registers an MBean of this class.
       *
       * @throws Exception if registration fails
       */
      public static void register(CmsObject cms) throws Exception {
  
          MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
          adminCms = OpenCms.initCmsObject(cms);
          ObjectName mxbeanName = new ObjectName("org.opencms.mx:type=CmsDiagnosticsMXBean");
          mbs.registerMBean(INSTANCE, mxbeanName);
      }
  
      /**
       * @see org.opencms.mx.I_CmsDiagnosticsMXBean#listActiveRequests()
       */
      public String listActiveRequests() {
  
          List<RequestInfo> infos = new ArrayList<>(OpenCmsServlet.activeRequests.values());
          long now = System.currentTimeMillis();
          infos.sort((a, b) -> Long.compare(a.getStartTime(), b.getStartTime()));
          StringBuilder result = new StringBuilder();
          for (RequestInfo info : infos) {
              String line = "(#" + info.getThreadId() + ") " + info.getUri() + " " + (now - info.getStartTime());
              result.append(line);
              result.append("\n");
          }
          return result.toString();
      }
  
  }
  