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.tools.searchindex;
  
  import org.opencms.configuration.CmsSearchConfiguration;
  import org.opencms.i18n.CmsMessageContainer;
  import org.opencms.jsp.CmsJspActionElement;
  import org.opencms.main.CmsLog;
  import org.opencms.main.OpenCms;
  import org.opencms.search.CmsSearchDocumentType;
  import org.opencms.search.CmsSearchIndexSource;
  import org.opencms.search.CmsSearchManager;
  import org.opencms.workplace.list.A_CmsListDialog;
  import org.opencms.workplace.list.CmsListColumnAlignEnum;
  import org.opencms.workplace.list.CmsListColumnDefinition;
  import org.opencms.workplace.list.CmsListDefaultAction;
  import org.opencms.workplace.list.CmsListDirectAction;
  import org.opencms.workplace.list.CmsListItem;
  import org.opencms.workplace.list.CmsListItemDetails;
  import org.opencms.workplace.list.CmsListItemDetailsFormatter;
  import org.opencms.workplace.list.CmsListMetadata;
  import org.opencms.workplace.list.CmsListMultiAction;
  import org.opencms.workplace.list.CmsListOrderEnum;
  import org.opencms.workplace.tools.CmsToolDialog;
  
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.Iterator;
  import java.util.LinkedList;
  import java.util.List;
  import java.util.Map;
  
  import javax.servlet.ServletException;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import javax.servlet.jsp.PageContext;
  
  import org.apache.commons.logging.Log;
  
  /**
   * A list that displays information about the <code>{@link org.opencms.search.CmsSearchIndexSource}</code>
   * that are members of the <code>{@link org.opencms.search.CmsSearchIndex}</code>
   * in the current request scope (param "searchindex").<p>
   *
   * Unlike <code>{@link org.opencms.workplace.tools.searchindex.CmsSearchIndexSourceList}</code>
   * this list is stand-alone displayable (not to embed in another dialog) and
   * offers single actions within the rows related to the current selected indexsource
   * which has to be found by the <b>request parameter <code></code></b>.
   *
   * @since 6.0.0
   */
  public class CmsSearchIndexSourceControlList extends A_CmsListDialog {
  
      /** list action dummy id constant. */
      public static final String LIST_ACTION_DELETE = "ade";
  
      /** list action dummy id constant. */
      public static final String LIST_ACTION_DOCUMENTS = "ado";
  
      /** list action dummy id constant. */
      public static final String LIST_ACTION_EDIT = "ae";
  
      /** list action dummy id constant. */
      public static final String LIST_ACTION_OVERVIEW_INDEXSOURCE = "aois";
  
      /**
       * List action dummy id constant. <p>
       *
       * This is meant to be used for the same action as
       * <code>{@link #LIST_ACTION_OVERVIEW_INDEXSOURCE}</code> but has to be used if
       * within one list two columns shall trigger the same action...<p>
       **/
      public static final String LIST_ACTION_OVERVIEW_INDEXSOURCE2 = "aois2";
  
      /** list action dummy id constant. */
      public static final String LIST_ACTION_RESOURCES = "ar";
  
      /** list column id constant. */
      public static final String LIST_COLUMN_DELETE = "cde";
  
      /** list item detail id constant. */
      public static final String LIST_COLUMN_DOCUMENTS = "cdo";
  
      /** list column id constant. */
      public static final String LIST_COLUMN_EDIT = "ce";
  
      /** list column id constant. */
      public static final String LIST_COLUMN_INDEXER = "ca";
  
      /** list column id constant. */
      public static final String LIST_COLUMN_NAME = "cn";
  
      /** list column id constant. */
      public static final String LIST_COLUMN_RESOURCES = "cr";
  
      /** list item detail id constant. */
      public static final String LIST_DETAIL_DOCTYPES = "dd";
  
      /** list item detail id constant. */
      public static final String LIST_DETAIL_RESOURCES = "dr";
  
      /** list id constant. */
      public static final String LIST_ID = "lssisc";
  
      /** list action id constant. */
      public static final String LIST_MACTION_DELETESOURCE = "mad";
  
      /** The list icon for a folder resource of a indexsource-documenttype. **/
      protected static final String ICON_FOLDER = "tools/searchindex/icons/small/indexsource-resources.png";
  
      /** The log object for this class. */
      private static final Log LOG = CmsLog.getLog(CmsSearchIndexSourceControlList.class);
  
      /**
       * Public constructor.<p>
       *
       * @param jsp an initialized JSP action element
       */
      public CmsSearchIndexSourceControlList(CmsJspActionElement jsp) {
  
          this(jsp, LIST_ID, Messages.get().container(Messages.GUI_LIST_INDEXSOURCES_NAME_0));
      }
  
      /**
       * Public constructor.<p>
       *
       * @param jsp an initialized JSP action element
       * @param listId the id of the list
       * @param listName the list name
       */
      public CmsSearchIndexSourceControlList(CmsJspActionElement jsp, String listId, CmsMessageContainer listName) {
  
          this(jsp, listId, listName, LIST_COLUMN_NAME, CmsListOrderEnum.ORDER_ASCENDING, null);
      }
  
      /**
       * Public constructor.<p>
       *
       * @param jsp an initialized JSP action element
       * @param listId the id of the displayed list
       * @param listName the name of the list
       * @param sortedColId the a priory sorted column
       * @param sortOrder the order of the sorted column
       * @param searchableColId the column to search into
       */
      public CmsSearchIndexSourceControlList(
          CmsJspActionElement jsp,
          String listId,
          CmsMessageContainer listName,
          String sortedColId,
          CmsListOrderEnum sortOrder,
          String searchableColId) {
  
          super(jsp, listId, listName, sortedColId, sortOrder, searchableColId);
  
      }
  
      /**
       * Public constructor.<p>
       *
       * Public constructor with JSP variables.<p>
       *
       * @param context the JSP page context
       * @param req the JSP request
       * @param res the JSP response
       */
      public CmsSearchIndexSourceControlList(PageContext context, HttpServletRequest req, HttpServletResponse res) {
  
          this(new CmsJspActionElement(context, req, res));
      }
  
      /**
       * @see org.opencms.workplace.list.A_CmsListDialog#executeListMultiActions()
       */
      @Override
      public void executeListMultiActions() {
  
          CmsSearchManager searchManager = OpenCms.getSearchManager();
          if (getParamListAction().equals(LIST_MACTION_DELETESOURCE)) {
              // execute the delete multiaction
              Iterator<CmsListItem> itItems = getSelectedItems().iterator();
              CmsListItem listItem;
              CmsSearchIndexSource idxsource;
              while (itItems.hasNext()) {
                  listItem = itItems.next();
                  idxsource = searchManager.getIndexSource((String)listItem.get(LIST_COLUMN_NAME));
                  searchManager.removeSearchIndexSource(idxsource);
              }
              refreshList();
              writeConfiguration(false);
          }
          listSave();
      }
  
      /**
       * @see org.opencms.workplace.list.A_CmsListDialog#executeListSingleActions()
       */
      @Override
      public void executeListSingleActions() throws IOException, ServletException {
  
          String indexSource = getSelectedItem().getId();
  
          Map<String, String[]> params = new HashMap<String, String[]>();
          params.put(A_CmsEditIndexSourceDialog.PARAM_INDEXSOURCE, new String[] {indexSource});
          params.put(PARAM_STYLE, new String[] {CmsToolDialog.STYLE_NEW});
          params.put(PARAM_ACTION, new String[] {DIALOG_INITIAL});
  
          String action = getParamListAction();
          if (action.equals(LIST_ACTION_EDIT)) {
              // forward to the edit indexsource screen
              getToolManager().jspForwardTool(this, "/searchindex/indexsources/indexsource/edit", params);
          } else if (action.equals(LIST_ACTION_DELETE)) {
              // forward to the delete indexsource screen
              getToolManager().jspForwardTool(this, "/searchindex/indexsources/indexsource/delete", params);
          } else if (action.equals(LIST_ACTION_RESOURCES)) {
              // forward to the assign resources to indexsource screen
              getToolManager().jspForwardTool(this, "/searchindex/indexsources/indexsource/resources", params);
          } else if (action.equals(LIST_ACTION_DOCUMENTS)) {
              // forward to the assign document types to indexsource screen
              getToolManager().jspForwardTool(this, "/searchindex/indexsources/indexsource/doctypes", params);
          } else if (action.equals(LIST_ACTION_OVERVIEW_INDEXSOURCE)) {
              // forward to the index overview screen
              getToolManager().jspForwardTool(this, "/searchindex/indexsources/indexsource", params);
          }
          listSave();
      }
  
      /**
       * @see org.opencms.workplace.list.A_CmsListDialog#fillDetails(java.lang.String)
       */
      @Override
      protected void fillDetails(String detailId) {
  
          // get content
          List<CmsListItem> items = getList().getAllContent();
          Iterator<CmsListItem> itItems = items.iterator();
          CmsListItem item;
          if (detailId.equals(LIST_DETAIL_DOCTYPES)) {
              while (itItems.hasNext()) {
                  item = itItems.next();
                  fillDetailDocTypes(item, detailId);
              }
          }
          if (detailId.equals(LIST_DETAIL_RESOURCES)) {
              while (itItems.hasNext()) {
                  item = itItems.next();
                  fillDetailResources(item, detailId);
              }
          }
      }
  
      /**
       * @see org.opencms.workplace.list.A_CmsListDialog#getListItems()
       */
      @Override
      protected List<CmsListItem> getListItems() {
  
          List<CmsListItem> result = new ArrayList<CmsListItem>();
          // get content
          List<CmsSearchIndexSource> sources = searchIndexSources();
          Iterator<CmsSearchIndexSource> itSources = sources.iterator();
          CmsSearchIndexSource source;
          String value;
          while (itSources.hasNext()) {
              try {
                  source = itSources.next();
                  // use "null" String and avoid list exception in gui.
                  CmsListItem item = getList().newItem(source.getName());
                  item.set(LIST_COLUMN_NAME, source.getName());
                  try {
                      value = source.getIndexer().getClass().getName();
                  } catch (Throwable f) {
                      value = "null";
                  }
                  item.set(LIST_COLUMN_INDEXER, value);
                  result.add(item);
              } catch (Throwable g) {
                  CmsMessageContainer msg = Messages.get().container(
                      Messages.LOG_ERR_LIST_ITEM_SKIPPED_2,
                      getList().getName().key(getLocale()),
                      "Name");
                  if (LOG.isWarnEnabled()) {
                      LOG.warn(msg.key(getLocale()));
                  }
              }
          }
          return result;
      }
  
      /**
       * @see org.opencms.workplace.CmsWorkplace#initMessages()
       */
      @Override
      protected void initMessages() {
  
          // add specific dialog resource bundle
          addMessages(Messages.get().getBundleName());
          // add default resource bundles
          super.initMessages();
      }
  
      /**
       * @see org.opencms.workplace.list.A_CmsListDialog#setColumns(org.opencms.workplace.list.CmsListMetadata)
       */
      @Override
      protected void setColumns(CmsListMetadata metadata) {
  
          // create column for edit
          CmsListColumnDefinition editCol = new CmsListColumnDefinition(LIST_COLUMN_EDIT);
          editCol.setName(Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_COL_EDIT_NAME_0));
          editCol.setHelpText(Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_COL_EDIT_NAME_HELP_0));
          editCol.setWidth("5");
          editCol.setAlign(CmsListColumnAlignEnum.ALIGN_LEFT);
          editCol.setSorteable(false);
          // add dummy icon
          CmsListDirectAction editAction = new CmsListDirectAction(LIST_ACTION_EDIT);
          editAction.setName(Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_ACTION_EDIT_NAME_0));
          editAction.setHelpText(Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_COL_EDIT_NAME_HELP_0));
          editAction.setIconPath(CmsSearchIndexList.LIST_ICON_INDEXSOURCE);
          editCol.addDirectAction(editAction);
          // add it to the list definition
          metadata.addColumn(editCol);
  
          // create column for resource assignment
          CmsListColumnDefinition resCol = new CmsListColumnDefinition(LIST_COLUMN_RESOURCES);
          resCol.setName(Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_COL_RESOURCES_NAME_0));
          resCol.setHelpText(Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_COL_RESOURCES_NAME_HELP_0));
          resCol.setWidth("5");
          resCol.setAlign(CmsListColumnAlignEnum.ALIGN_LEFT);
          resCol.setSorteable(false);
          // add resource icon
          CmsListDirectAction resAction = new CmsListDirectAction(LIST_ACTION_RESOURCES);
          resAction.setName(Messages.get().container(Messages.GUI_LIST_SEARCHINDEX_ACTION_RESOURCES_NAME_0));
          resAction.setHelpText(Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_COL_RESOURCES_NAME_HELP_0));
          resAction.setIconPath(ICON_FOLDER);
          resCol.addDirectAction(resAction);
          // add it to the list definition
          metadata.addColumn(resCol);
  
          // create column for document type assignment
          CmsListColumnDefinition docCol = new CmsListColumnDefinition(LIST_COLUMN_DOCUMENTS);
          docCol.setName(Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_COL_DOCUMENTS_NAME_0));
          docCol.setHelpText(Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_COL_DOCUMENTS_NAME_HELP_0));
          docCol.setWidth("5");
          docCol.setAlign(CmsListColumnAlignEnum.ALIGN_LEFT);
          docCol.setSorteable(false);
          // add document type icon
          CmsListDirectAction docAction = new CmsListDirectAction(LIST_ACTION_DOCUMENTS);
          docAction.setName(Messages.get().container(Messages.GUI_LIST_SEARCHINDEX_ACTION_DOCUMENTS_NAME_0));
          docAction.setHelpText(Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_COL_DOCUMENTS_NAME_HELP_0));
          docAction.setIconPath(CmsDocumentTypeList.ICON_DOCTYPE);
          docCol.addDirectAction(docAction);
          // add it to the list definition
          metadata.addColumn(docCol);
  
          // create column for deletion
          CmsListColumnDefinition deleteCol = new CmsListColumnDefinition(LIST_COLUMN_DELETE);
          deleteCol.setName(Messages.get().container(Messages.GUI_LIST_SEARCHINDEX_COL_DELETE_NAME_0));
          deleteCol.setHelpText(Messages.get().container(Messages.GUI_LIST_SEARCHINDEX_COL_DELETE_HELP_0));
          deleteCol.setWidth("10");
          deleteCol.setAlign(CmsListColumnAlignEnum.ALIGN_LEFT);
          deleteCol.setSorteable(false);
          // add delete action
          CmsListDirectAction deleteAction = new CmsListDirectAction(LIST_ACTION_DELETE);
          deleteAction.setName(Messages.get().container(Messages.GUI_LIST_SEARCHINDEX_ACTION_DELETE_NAME_0));
          deleteAction.setHelpText(Messages.get().container(Messages.GUI_LIST_SEARCHINDEX_ACTION_DELETE_HELP_0));
          // skipped as the following page will have to ask for confirmation again (and additionally check a constraint)
          //        deleteAction.setConfirmationMessage(Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_ACTION_DELETE_CONF_0));
          deleteAction.setIconPath(ICON_DELETE);
          deleteCol.addDirectAction(deleteAction);
          // add it to the list definition
          metadata.addColumn(deleteCol);
  
          // add column for name
          CmsListColumnDefinition nameCol = new CmsListColumnDefinition(LIST_COLUMN_NAME);
          nameCol.setAlign(CmsListColumnAlignEnum.ALIGN_LEFT);
          nameCol.setName(Messages.get().container(Messages.GUI_LIST_SEARCHINDEX_COL_NAME_0));
          nameCol.setWidth("50%");
          // add overview action
          CmsListDefaultAction defEditAction = new CmsListDefaultAction(LIST_ACTION_OVERVIEW_INDEXSOURCE);
          defEditAction.setName(Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_COL_OVERVIEW_NAME_0));
          defEditAction.setHelpText(Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_COL_OVERVIEW_NAME_HELP_0));
          nameCol.addDefaultAction(defEditAction);
          metadata.addColumn(nameCol);
  
          // add column for analyzer
          CmsListColumnDefinition analyzerCol = new CmsListColumnDefinition(LIST_COLUMN_INDEXER);
          analyzerCol.setAlign(CmsListColumnAlignEnum.ALIGN_LEFT);
          analyzerCol.setName(Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_COL_INDEXER_0));
          analyzerCol.setWidth("45%");
          metadata.addColumn(analyzerCol);
  
      }
  
      /**
       * @see org.opencms.workplace.list.A_CmsListDialog#setIndependentActions(org.opencms.workplace.list.CmsListMetadata)
       */
      @Override
      protected void setIndependentActions(CmsListMetadata metadata) {
  
          // add document types of index source detail help
          CmsListItemDetails doctypeDetails = new CmsListItemDetails(LIST_DETAIL_DOCTYPES);
          doctypeDetails.setAtColumn(LIST_COLUMN_NAME);
          doctypeDetails.setVisible(false);
          doctypeDetails.setShowActionName(Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_DETAIL_DOCTYPE_SHOW_0));
          doctypeDetails.setShowActionHelpText(
              Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_DETAIL_DOCTYPE_SHOW_HELP_0));
          doctypeDetails.setHideActionName(Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_DETAIL_DOCTYPE_HIDE_0));
          doctypeDetails.setHideActionHelpText(
              Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_DETAIL_DOCTYPE_HIDE_HELP_0));
          doctypeDetails.setName(Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_DETAIL_DOCTYPE_NAME_0));
          doctypeDetails.setFormatter(
              new CmsListItemDetailsFormatter(
                  Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_DETAIL_DOCTYPE_NAME_0)));
          metadata.addItemDetails(doctypeDetails);
  
          // add resources of index source detail help
          CmsListItemDetails resourceDetails = new CmsListItemDetails(LIST_DETAIL_RESOURCES);
          resourceDetails.setAtColumn(LIST_COLUMN_NAME);
          resourceDetails.setVisible(false);
          resourceDetails.setShowActionName(
              Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_DETAIL_RESOURCE_SHOW_0));
          resourceDetails.setShowActionHelpText(
              Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_DETAIL_RESOURCE_SHOW_HELP_0));
          resourceDetails.setHideActionName(
              Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_DETAIL_RESOURCE_HIDE_0));
          resourceDetails.setHideActionHelpText(
              Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_DETAIL_RESOURCE_HIDE_HELP_0));
          resourceDetails.setName(Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_DETAIL_RESOURCE_NAME_0));
          resourceDetails.setFormatter(
              new CmsListItemDetailsFormatter(
                  Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_DETAIL_RESOURCE_NAME_0)));
          metadata.addItemDetails(resourceDetails);
  
      }
  
      /**
       * @see org.opencms.workplace.list.A_CmsListDialog#setMultiActions(org.opencms.workplace.list.CmsListMetadata)
       */
      @Override
      protected void setMultiActions(CmsListMetadata metadata) {
  
          // add add multi action
          CmsListMultiAction deleteMultiAction = new CmsListMultiAction(LIST_MACTION_DELETESOURCE);
          deleteMultiAction.setName(Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_MACTION_DELETESOURCE_NAME_0));
          deleteMultiAction.setHelpText(
              Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_MACTION_DELETESOURCE_NAME_HELP_0));
          deleteMultiAction.setConfirmationMessage(
              Messages.get().container(Messages.GUI_LIST_INDEXSOURCE_MACTION_DELETESOURCE_CONF_0));
          deleteMultiAction.setIconPath(ICON_MULTI_MINUS);
          metadata.addMultiAction(deleteMultiAction);
  
      }
  
      /**
       * Writes the updated search configuration back to the XML
       * configuration file and refreshes the complete list.<p>
       *
       * @param refresh if true, the list items are refreshed
       */
      protected void writeConfiguration(boolean refresh) {
  
          // update the XML configuration
          OpenCms.writeConfiguration(CmsSearchConfiguration.class);
          if (refresh) {
              refreshList();
          }
      }
  
      /**
       * Fills details about document types of the index source into the given item. <p>
       *
       * @param item the list item to fill
       * @param detailId the id for the detail to fill
       *
       */
      private void fillDetailDocTypes(CmsListItem item, String detailId) {
  
          CmsSearchManager searchManager = OpenCms.getSearchManager();
          StringBuffer html = new StringBuffer();
  
          // search for the corresponding CmsSearchIndexSource:
          String idxSourceName = (String)item.get(LIST_COLUMN_NAME);
          CmsSearchIndexSource idxSource = searchManager.getIndexSource(idxSourceName);
  
          // get the index sources doc types
          List<String> docTypes = idxSource.getDocumentTypes();
          // output of found index sources
          Iterator<String> itDocTypes = docTypes.iterator();
          CmsSearchDocumentType docType;
          html.append("<ul>\n");
          while (itDocTypes.hasNext()) {
              // get the instance (instead of plain name) for more detail in future...
              docType = searchManager.getDocumentTypeConfig(itDocTypes.next());
              // harden against unconfigured doctypes that are refferred to by indexsource nodes
              if (docType != null) {
  
                  html.append("  <li>\n").append("  ").append(docType.getName()).append("\n");
                  html.append("  </li>");
              }
          }
  
          html.append("</ul>\n");
          item.set(detailId, html.toString());
      }
  
      /**
       * Fills details about resource paths of the index source into the given item. <p>
       *
       * @param item the list item to fill
       * @param detailId the id for the detail to fill
       *
       */
      private void fillDetailResources(CmsListItem item, String detailId) {
  
          CmsSearchManager searchManager = OpenCms.getSearchManager();
          StringBuffer html = new StringBuffer();
  
          // search for the corresponding CmsSearchIndexSource:
          String idxSourceName = (String)item.get(LIST_COLUMN_NAME);
          CmsSearchIndexSource idxSource = searchManager.getIndexSource(idxSourceName);
  
          // get the index sources resource strings
          List<String> resources = idxSource.getResourcesNames();
          // output of found index sources
          Iterator<String> itResources = resources.iterator();
          html.append("<ul>\n");
          while (itResources.hasNext()) {
  
              html.append("  <li>\n").append("  ").append(itResources.next()).append("\n");
              html.append("  </li>");
          }
  
          html.append("</ul>\n");
  
          item.set(detailId, html.toString());
      }
  
      /**
       * Returns the available search indexes of this installation.
       *
       * @return the available search indexes of this installation
       */
      private List<CmsSearchIndexSource> searchIndexSources() {
  
          CmsSearchManager manager = OpenCms.getSearchManager();
          return new LinkedList<CmsSearchIndexSource>(manager.getSearchIndexSources().values());
  
      }
  }
  