gt:                 if (getItem() != null) {
context: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH (http://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, please see the
   * company website: http://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: http://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.tools.accounts;
  
  import org.opencms.file.CmsGroup;
  import org.opencms.file.CmsUser;
  import org.opencms.i18n.CmsMessageContainer;
  import org.opencms.jsp.CmsJspActionElement;
  import org.opencms.main.CmsException;
  import org.opencms.main.CmsRuntimeException;
  import org.opencms.main.OpenCms;
  import org.opencms.security.CmsRole;
  import org.opencms.util.CmsUUID;
  import org.opencms.workplace.list.CmsListColumnAlignEnum;
  import org.opencms.workplace.list.CmsListColumnDefinition;
  import org.opencms.workplace.list.CmsListDirectAction;
  import org.opencms.workplace.list.CmsListItem;
  import org.opencms.workplace.list.CmsListItemActionIconComparator;
  import org.opencms.workplace.list.CmsListItemDetails;
  import org.opencms.workplace.list.CmsListMetadata;
  import org.opencms.workplace.list.CmsListMultiAction;
  import org.opencms.workplace.list.I_CmsListFormatter;
  
  import java.util.Iterator;
  import java.util.List;
  import java.util.Locale;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import javax.servlet.jsp.PageContext;
  
  /**
   * User roles overview view.<p>
   *
   * @since 6.5.6
   */
  public class CmsRoleEditList extends A_CmsRolesList {
  
      /** list action id constant. */
      public static final String LIST_ACTION_ACTIVATE = "aa";
  
      /** list action id constant. */
      public static final String LIST_ACTION_DEACTIVATE = "ac";
  
      /** list column id constant. */
      public static final String LIST_COLUMN_ACTIVATE = "ca";
  
      /** list id constant. */
      public static final String LIST_ID = "lsre";
  
      /** list action id constant. */
      public static final String LIST_MACTION_ACTIVATE = "ma";
  
      /** list action id constant. */
      public static final String LIST_MACTION_DEACTIVATE = "mc";
  
      /** Stores the value of the request parameter for the user id. */
      private String m_paramUserid;
  
      /**
       * Public constructor.<p>
       *
       * @param jsp an initialized JSP action element
       */
      public CmsRoleEditList(CmsJspActionElement jsp) {
  
          this(jsp, LIST_ID);
      }
  
      /**
       * Public constructor.<p>
       *
       * @param jsp an initialized JSP action element
       * @param listId the id of the list
       */
      public CmsRoleEditList(CmsJspActionElement jsp, String listId) {
  
          this(jsp, listId, Messages.get().container(Messages.GUI_ROLEEDIT_LIST_NAME_0));
      }
  
      /**
       * Public constructor.<p>
       *
       * @param jsp an initialized JSP action element
       * @param listId the id of the list
       * @param listName the name of the list
       */
      public CmsRoleEditList(CmsJspActionElement jsp, String listId, CmsMessageContainer listName) {
  
          super(jsp, listId, listName);
      }
  
      /**
       * Public constructor with JSP variables.<p>
       *
       * @param context the JSP page context
       * @param req the JSP request
       * @param res the JSP response
       */
      public CmsRoleEditList(PageContext context, HttpServletRequest req, HttpServletResponse res) {
  
          this(new CmsJspActionElement(context, req, res));
      }
  
      /**
       * @see org.opencms.workplace.list.A_CmsListDialog#executeListMultiActions()
       */
      @Override
      public void executeListMultiActions() throws CmsRuntimeException {
  
          if (getParamListAction().equals(LIST_MACTION_ACTIVATE)) {
              // execute the activate multiaction
              try {
                  CmsUser user = getCms().readUser(new CmsUUID(getParamUserid()));
                  Iterator<CmsListItem> itItems = getSelectedItems().iterator();
                  while (itItems.hasNext()) {
                      CmsListItem listItem = itItems.next();
                      CmsGroup group = getCms().readGroup((String)listItem.get(LIST_COLUMN_GROUP_NAME));
                      CmsRole role = CmsRole.valueOf(group);
                      if (!OpenCms.getRoleManager().hasRole(getCms(), user.getName(), role)) {
                          OpenCms.getRoleManager().addUserToRole(getCms(), role, user.getName());
                          getCms().writeUser(user);
                      }
                  }
              } catch (CmsException e) {
                  throw new CmsRuntimeException(Messages.get().container(Messages.ERR_ACTIVATE_SELECTED_USERS_0), e);
              }
              // refreshing no needed becaus the activate action does not add/remove rows to the list
          } else if (getParamListAction().equals(LIST_MACTION_DEACTIVATE)) {
              // execute the activate multiaction
              try {
                  CmsUser user = getCms().readUser(new CmsUUID(getParamUserid()));
                  Iterator<CmsListItem> itItems = getSelectedItems().iterator();
                  while (itItems.hasNext()) {
                      CmsListItem listItem = itItems.next();
                      CmsGroup group = getCms().readGroup((String)listItem.get(LIST_COLUMN_GROUP_NAME));
                      CmsRole role = CmsRole.valueOf(group);
                      if (OpenCms.getRoleManager().hasRole(getCms(), user.getName(), role)) {
                          OpenCms.getRoleManager().removeUserFromRole(getCms(), role, user.getName());
                          getCms().writeUser(user);
                      }
                  }
              } catch (CmsException e) {
                  throw new CmsRuntimeException(Messages.get().container(Messages.ERR_DEACTIVATE_SELECTED_USERS_0), e);
              }
              // refreshing no needed becaus the activate action does not add/remove rows to the list
          } else {
              throwListUnsupportedActionException();
          }
          listSave();
      }
  
      /**
       * @see org.opencms.workplace.list.A_CmsListDialog#executeListSingleActions()
       */
      @Override
      public void executeListSingleActions() throws CmsRuntimeException {
  
          String roleName = getSelectedItem().getId();
          try {
              CmsRole role = CmsRole.valueOf(getCms().readGroup(roleName));
              CmsUser user = getCms().readUser(new CmsUUID(getParamUserid()));
  
              if (getParamListAction().equals(LIST_ACTION_ACTIVATE)) {
                  // execute the activate action
                  try {
                      OpenCms.getRoleManager().addUserToRole(getCms(), role, user.getName());
                      getCms().writeUser(user);
                  } catch (CmsException e) {
                      throw new CmsRuntimeException(
                          Messages.get().container(Messages.ERR_ACTIVATE_ROLE_2, roleName, user.getName()),
                          e);
                  }
              } else if (getParamListAction().equals(LIST_ACTION_DEACTIVATE)) {
                  // execute the activate action
                  if (!OpenCms.getRoleManager().getRolesOfUser(getCms(), user.getName(), "", true, true, true).contains(
                      role)) {
                      throw new CmsRuntimeException(
                          Messages.get().container(Messages.ERR_DEACTIVATE_INDIRECT_ROLE_2, roleName, user.getName()));
                  }
                  try {
                      OpenCms.getRoleManager().removeUserFromRole(getCms(), role, user.getName());
                      getCms().writeUser(user);
                  } catch (CmsException e) {
                      throw new CmsRuntimeException(
                          Messages.get().container(Messages.ERR_DEACTIVATE_ROLE_2, roleName, user.getName()),
                          e);
                  }
              } else {
                  throwListUnsupportedActionException();
              }
              listSave();
          } catch (CmsException e) {
              // should never happen
          }
      }
  
      /**
       * @see org.opencms.workplace.tools.accounts.A_CmsRolesList#getIconPath(CmsListItem)
       */
      @Override
      public String getIconPath(CmsListItem item) {
  
          try {
              CmsRole role = CmsRole.valueOf(getCms().readGroup((String)item.get(LIST_COLUMN_GROUP_NAME)));
              if (OpenCms.getRoleManager().hasRole(
                  getCms(),
                  getCms().readUser(new CmsUUID(getParamUserid())).getName(),
                  role)) {
                  return PATH_BUTTONS + "role.png";
              }
          } catch (Exception e) {
              // ignore
          }
          return PATH_BUTTONS + "role_inactive.png";
      }
  
      /**
       * Returns the User id parameter value.<p>
       *
       * @return the User id parameter value
       */
      public String getParamUserid() {
  
          return m_paramUserid;
      }
  
      /**
       * Sets the User id parameter value.<p>
       *
       * @param userid the userid to set
       */
      public void setParamUserid(String userid) {
  
          m_paramUserid = userid;
      }
  
      /**
       * @see org.opencms.workplace.list.A_CmsListDialog#defaultActionHtmlStart()
       */
      @Override
      protected String defaultActionHtmlStart() {
  
          return getList().listJs() + dialogContentStart(getParamTitle());
      }
  
      /**
       * @see org.opencms.workplace.tools.accounts.A_CmsRolesList#getRoles()
       */
      @Override
      protected List<CmsRole> getRoles() throws CmsException {
  
          return OpenCms.getRoleManager().getRolesOfUser(
              getCms(),
              getCms().getRequestContext().getCurrentUser().getName(),
              getParamOufqn(),
              false,
              false,
              true);
      }
  
      /**
       * @see org.opencms.workplace.list.A_CmsListDialog#setColumns(org.opencms.workplace.list.CmsListMetadata)
       */
      @Override
      protected void setColumns(CmsListMetadata metadata) {
  
          super.setColumns(metadata);
  
          // create column for activation/deactivation
          CmsListColumnDefinition actCol = new CmsListColumnDefinition(LIST_COLUMN_ACTIVATE);
          actCol.setName(Messages.get().container(Messages.GUI_ROLEEDIT_LIST_COLS_ACTIVATE_0));
          actCol.setHelpText(Messages.get().container(Messages.GUI_ROLEEDIT_LIST_COLS_ACTIVATE_HELP_0));
          actCol.setWidth("20");
          actCol.setAlign(CmsListColumnAlignEnum.ALIGN_CENTER);
          actCol.setListItemComparator(new CmsListItemActionIconComparator());
  
          // activate action
          CmsListDirectAction actAction = new CmsListDirectAction(LIST_ACTION_ACTIVATE) {
  
              /**
               * @see org.opencms.workplace.tools.A_CmsHtmlIconButton#isVisible()
               */
              @Override
              public boolean isVisible() {
  
  