Metacat

import java.util.List;

import org.dataone.service.types.v1.Identifier;

     * Rebuild the index for one or more documents. If the "pid" parameter is

     * provided, rebuild for just that one document (or list of documents). If

     * not, then rebuild the index for all documents in the systemMetadata table.

     * 

     * @param params

     *            the parameters from the web request

     * @param request

     *            the http request object for getting request details

     * @param response

     *            the http response object for writing output

     * @param username

     *            the username of the authenticated user

     */

    protected void handleReindexAction(Hashtable<String, String[]> params,

            HttpServletRequest request, HttpServletResponse response,

            String username, String[] groups) {

        Logger logMetacat = Logger.getLogger(MetacatHandler.class);

        // Get all of the parameters in the correct formats

        String[] pid = params.get("pid");

        // Rebuild the indices for appropriate documents

        try {

            response.setContentType("text/xml");

            PrintWriter out = response.getWriter();

            // Check that the user is authenticated as an administrator account

            if (!AuthUtil.isAdministrator(username, groups)) {

                out.print("<error>");

                out.print("The user \"" + username +

                        "\" is not authorized for this action.");

                out.print("</error>");

                return;

            }

            // Process the documents

            StringBuffer results = new StringBuffer();

            if (pid == null || pid.length == 0) {

                // Process all of the documents

                logMetacat.info("queueing doc index for all documents");

                try {

                    List<String> allIdentifiers = IdentifierManager.getInstance().getAllSystemMetadataGUIDs();

                    Iterator<String> it = allIdentifiers.iterator();

                    results.append("<success>");

                    while (it.hasNext()) {

                        String id = it.next();

                        Identifier identifier = new Identifier();

                        identifier.setValue(id);

						SystemMetadata sysMeta = HazelcastService.getInstance().getSystemMetadataMap().get(identifier);

						HazelcastService.getInstance().getIndexQueue().add(sysMeta);

						results.append("<pid>" + id + "</pid>\n");

                        logMetacat.debug("queued SystemMetadata for index on pid: " + id);

                    }

                    results.append("</success>");

                    logMetacat.info("done queueing index for all documents");

                } catch (Exception e) {

                	// report the error

                	results = new StringBuffer();

                	results.append("<error>");

                	results.append(e.getMessage());

                	results.append("</error>");

                }

            } else {

                results.append("<success>\n");

                // Only process the requested documents

                for (int i = 0; i < pid.length; i++) {

                    String id = pid[i];

                    logMetacat.info("queueing doc index for pid " + id);

                    Identifier identifier = new Identifier();

                    identifier.setValue(id);

					SystemMetadata sysMeta = HazelcastService.getInstance().getSystemMetadataMap().get(identifier);

					HazelcastService.getInstance().getIndexQueue().add(sysMeta);

					results.append("<pid>" + id + "</pid>\n");

					logMetacat.info("done queueing doc index for pid " + id);

                }

                results.append("</success>");

            }

            out.print(results.toString());

            out.close();

        } catch (IOException e) {

            logMetacat.error("MetacatHandler.handleBuildIndexAction - " +

            		         "Could not open http response for writing: " + 

            		         e.getMessage());

            e.printStackTrace();

        } catch (MetacatUtilException ue) {

            logMetacat.error("MetacatHandler.handleBuildIndexAction - " +

            		         "Could not determine if user is administrator: " + 

            		         ue.getMessage());

            ue.printStackTrace();

        }

    }

    /**