try {
                return Long.parseLong(value);
            } catch (final NumberFormatException e) {}
        }
        return defaultValue;
    }

    protected String getDefaultString(final String key, final String defaultValue) {
        final String value = systemProperties.getProperty(key);
        if (value != null) {
            return value;
        }
        return defaultValue;

        if (crudMode != expectedMode) {
            throwValidationError(messages -> {
                messages.addErrorsCrudInvalidMode(GLOBAL, String.valueOf(expectedMode), String.valueOf(crudMode));
            }, this::asListHtml);
        }
    }

    // ===================================================================================

                texts[i] = fragments[i].string();
            }
            final String value = StringUtils.join(texts, ELLIPSIS);
            if (StringUtil.isNotBlank(value) && !ComponentUtil.getFessConfig().endsWithFullstop(value)) {
                return value + ELLIPSIS;
            }
            return value;
        }
        return null;
    }

        if (crudMode != expectedMode) {
            throwValidationError(messages -> {
                messages.addErrorsCrudInvalidMode(GLOBAL, String.valueOf(expectedMode), String.valueOf(crudMode));
            }, this::asListHtml);
        }
    }

    public static void validateAttributes(final Map<String, String> attributes, final Consumer<VaMessenger<FessMessages>> throwError) {

        if (crudMode != expectedMode) {
            throwValidationError(messages -> {
                messages.addErrorsCrudInvalidMode(GLOBAL, String.valueOf(expectedMode), String.valueOf(crudMode));
            }, this::asListHtml);
        }
    }

    // ===================================================================================

        //        searchName = Srl.substringFirstRear(classificationName, ".");
        //    } else {
        //        return null;
        //    }
        //}
        //try {
        //    return CDef.DefMeta.valueOf(searchName);
        //} catch (IllegalArgumentException ignored) { // not found
        //    return null; // handled later
        //}
    }

    @Override

        if (crudMode != expectedMode) {
            throwValidationError(messages -> {
                messages.addErrorsCrudInvalidMode(GLOBAL, String.valueOf(expectedMode), String.valueOf(crudMode));
            }, this::asListHtml);
        }
    }

    // ===================================================================================

    }

    protected Map<String, String> createItem(final String label, final String value) {
        final Map<String, String> map = new HashMap<>(2);
        map.put(Constants.ITEM_LABEL, label);
        map.put(Constants.ITEM_VALUE, value);
        return map;
    }

    // ===================================================================================

            }
            return entity;
        });
    }

    protected Map<String, String> createItem(final String label, final String value) {
        final Map<String, String> map = new HashMap<>(2);
        map.put(Constants.ITEM_LABEL, label);
        map.put(Constants.ITEM_VALUE, value);
        return map;
    }

    // ===================================================================================

            }
        }
    }

    private static String[] splitLine(final String value) {
        if (StringUtil.isBlank(value)) {
            return StringUtil.EMPTY_STRINGS;
        }
        final String[] values = value.split("[\r\n]");
        final List<String> list = new ArrayList<>(values.length);
        for (final String line : values) {
            if (StringUtil.isNotBlank(line)) {
                list.add(line.trim());