// Override to avoid null pointer issues
            final String docid = (String) docMap.get("_id");
            if (docid == null) {
                return "default.jpg";
            }
            return getImageFilename(docid);
        }

        @Override
        public void destroy() {
            // Override to avoid null pointer issues with thread

            // Reorder results to match original docIds order (preserve search score order)
            final Map<String, Map<String, Object>> resultMap = new LinkedHashMap<>();
            for (final Map<String, Object> doc : results) {
                final String docId = (String) doc.get("doc_id");
                if (docId != null) {
                    resultMap.put(docId, doc);
                }
            }

                throw new WebApiException(HttpServletResponse.SC_BAD_REQUEST, "docId is empty.");
            }
            final String docId = docIdObj.toString();
            final String queryId = request.getParameter("queryId");

            final String[] docIds = userInfoHelper.getResultDocIds(URLDecoder.decode(queryId, Constants.UTF_8));
            if (docIds == null) {

        doc1.put("url", "http://example.com/install");
        msg.addSource(new ChatSource(1, doc1));
        final Map<String, Object> doc2 = new HashMap<>();
        doc2.put("title", "Quick Start");
        doc2.put("url", "http://example.com/start");
        msg.addSource(new ChatSource(2, doc2));

        final String result = chatClient.testBuildAssistantHistoryContent(msg, "source_titles", 500, 500);

        for (Map<String, Object> doc : docs) {
            String docId = doc.get("doc_id").toString();
            given().contentType("application/json").header("Authorization", getTestToken()).delete(SEARCHLIST_API_PATH + "/doc/" + docId);
        }
        refresh();

        deleteTestToken();
    }

    @Override
    protected String getNamePrefix() {

            }
        }

        final BulkRequestBuilder bulkDelete = client.prepareBulk();
        for (final String docId : docIds) {
            bulkDelete.add(client.prepareDelete().setIndex(indexName).setId(docId));
        }
        bulkDelete.execute().actionGet(fessConfig.getIndexSearchTimeout());

        // Delete any remaining events beyond the search size limit (discard overflow)

         * @return the document ID
         */
        public String getDocId() {
            return docId;
        }

        /**
         * Sets the document ID.
         *
         * @param docId the document ID
         */
        public void setDocId(final String docId) {
            this.docId = docId;
        }

        /**
         * Gets the source snippet.
         *

                "file://home/taro/%E3%81%82.txt");

        assertUrlLink(null, "#not-found-docId");
        assertUrlLink("", "#not-found-docId");
        assertUrlLink(" ", "#not-found-docId");
    }

    private void assertUrlLink(String url, String expected) {
        Map<String, Object> doc = new HashMap<>();
        doc.put("doc_id", "docId");
        doc.put("url", url);
        assertEquals(expected, viewHelper.getUrlLink(doc));

        UserInfoHelper userInfoHelper = new UserInfoHelper();
        MockletHttpServletRequest request = getMockRequest();

        String[] docIds = userInfoHelper.getResultDocIds("nonExistentQuery");
        assertEquals(0, docIds.length);
    }

    @Test
    public void test_setters() {
        UserInfoHelper userInfoHelper = new UserInfoHelper();

            return OptionalEntity.of(entity);
        case CrudMode.EDIT:
            final String docId;
            if (form.doc != null) {
                docId = (String) form.doc.get(fessConfig.getIndexFieldDocId());
            } else {
                docId = null;
            }
            if (StringUtil.isNotBlank(docId)) {
                return searchEngineClient.getDocument(fessConfig.getIndexDocumentUpdateIndex(), builder -> {