if (!list.isEmpty()) {
                final List<String> newUrlList = new ArrayList<>(list.size());
                for (final FavoriteLog favoriteLog : list) {
                    newUrlList.add(favoriteLog.getUrl());
                }
                return newUrlList;
            }
            return Collections.<String> emptyList();
        }).orElse(Collections.<String> emptyList());

    }

        setupEpg(_epgMap, et -> ((FavoriteLog) et).getQueryId(), (et, vl) -> ((FavoriteLog) et).setQueryId(DfTypeUtil.toString(vl)),
                "queryId");
        setupEpg(_epgMap, et -> ((FavoriteLog) et).getUrl(), (et, vl) -> ((FavoriteLog) et).setUrl(DfTypeUtil.toString(vl)), "url");
        setupEpg(_epgMap, et -> ((FavoriteLog) et).getUserInfoId(), (et, vl) -> ((FavoriteLog) et).setUserInfoId(DfTypeUtil.toString(vl)),

            return b.toString();
        }).collect(Collectors.joining(",")));
        buf.append("},");
        final GarbageCollectors gc = jvmStats.getGc();
        buf.append("\"gc\":{");
        buf.append(Arrays.stream(gc.getCollectors()).map(c -> {
            final StringBuilder b = new StringBuilder();

        item.put("id", artifact.getName() + ":" + artifact.getVersion());
        item.put("name", artifact.getName());
        item.put("version", artifact.getVersion());
        item.put("url", artifact.getUrl());
        return item;
    }

    private Artifact getArtifactFromInstallForm(final InstallForm form) {
        final String[] values = form.id.split(":");

        setupEpg(_epgMap, et -> ((FailureUrl) et).getThreadName(), (et, vl) -> ((FailureUrl) et).setThreadName(DfTypeUtil.toString(vl)),
                "threadName");
        setupEpg(_epgMap, et -> ((FailureUrl) et).getUrl(), (et, vl) -> ((FailureUrl) et).setUrl(DfTypeUtil.toString(vl)), "url");
    }

    @Override
    public PropertyGateway findPropertyGateway(final String prop) {
        return doFindEpg(_epgMap, prop);
    }

                params.put("Query ID", e.getQueryId());
                params.put("Doc ID", e.getDocId());
                params.put("User Session ID", e.getUserSessionId());
                params.put("URL", e.getUrl());
                params.put("URL ID", e.getUrlId());
                params.put("Order", toNumberString(e.getOrder()));
                params.put("Query Requested Time", FessFunctions.formatDate(e.getQueryRequestedAt()));

            return "test_session";
        }

        @Override
        public String getRuleId() {
            return "test_rule";
        }

        @Override
        public String getUrl() {
            return "http://test.example.com";
        }

        @Override
        public String getParentUrl() {
            return null;
        }

        @Override

        setupEpg(_epgMap, et -> ((ClickLog) et).getRequestedAt(),
                (et, vl) -> ((ClickLog) et).setRequestedAt(DfTypeUtil.toLocalDateTime(vl)), "requestedAt");
        setupEpg(_epgMap, et -> ((ClickLog) et).getUrl(), (et, vl) -> ((ClickLog) et).setUrl(DfTypeUtil.toString(vl)), "url");
        setupEpg(_epgMap, et -> ((ClickLog) et).getUserSessionId(), (et, vl) -> ((ClickLog) et).setUserSessionId(DfTypeUtil.toString(vl)),

            this.id = id;
            this.url = url;
        }

        @Override
        public String getId() {
            return id;
        }

        @Override
        public String getUrl() {
            return url;
        }

        @Override
        public String getMetaData() {
            return null;
        }

        @Override
        public String getEncoding() {

            if (pattern != null) {
                if (!pattern.matcher(failureUrl.getErrorName()).matches()) {
                    urlList.add(failureUrl.getUrl());
                }
            } else {
                urlList.add(failureUrl.getUrl());
            }
        }
        return urlList;
    }

    /**