if (textObj == null) {
                continue;
            }
            final String text = textObj.toString();
            final String lang = document.get(langFieldName) == null ? null : document.get(langFieldName).toString();

            final List<AnalyzeToken> tokens = analyzeText(analyzer, field, text, lang);
            if (tokens == null) {
                continue;
            }

    protected void assertObjectNotNull(String variableName, Object value) {
        if (variableName == null) {
            String msg = "The value should not be null: variableName=null value=" + value;
            throw new IllegalArgumentException(msg);
        }
        if (value == null) {
            String msg = "The value should not be null: variableName=" + variableName;
            throw new IllegalArgumentException(msg);
        }

            }

            if (location == null) {
                location = tracker.getLocation(EMPTY);
            }
        }

        return location != null ? new org.apache.maven.model.InputLocation(location) : null;
    }

    private static boolean equals(String s1, String s2) {
        String c1 = s1 == null ? "" : s1.trim();
        String c2 = s2 == null ? "" : s2.trim();
        return c1.equals(c2);

        }
    }

    private PathProcessor pathProcessor;

    public final PathProcessor getPathProcessor() {
        checkClosed();
        if (pathProcessor == null) {
            pathProcessor = createPathProcessor();
        }
        return pathProcessor;
    }

    protected PathProcessor createPathProcessor() {
        return new DefaultPathProcessor();
    }

        if (available != null) {
            addFieldToSource(sourceMap, "available", available);
        }
        if (boost != null) {
            addFieldToSource(sourceMap, "boost", boost);
        }
        if (configParameter != null) {
            addFieldToSource(sourceMap, "configParameter", configParameter);
        }
        if (createdBy != null) {

            throws IntrospectionException {
        if (value == null || key == null) {
            return null;
        }

        if (value instanceof Map) {
            return ((Map) value).get(key);
        }

        final String message = String.format(
                "The token '%s' at position '%d' refers to a java.util.Map, but the value "

    }

    protected String getPassword(final Map<String, String> params) {
        final String url = params != null ? params.get(ExtractData.URL) : null;
        if (!passwordMap.isEmpty()) {
            final String resourceName = params != null ? params.get(ExtractData.RESOURCE_NAME_KEY) : null;

            String value = null;
            if (StringUtil.isNotEmpty(url)) {
                value = url;

        currentPageNumber = getDefaultCurrentPageNumber();

        id = null;
        name = null;
        handlerName = null;
        boost = null;
        available = null;
        sortOrder = null;
        createdBy = null;
        createdTime = null;
        versionNo = null;
        description = null;

    }

    protected int getDefaultCurrentPageNumber() {

   * {@code get(null)}, {@code keySet().contains(null)} or {@code remove(null)}.
   */
  ALLOWS_NULL_KEY_QUERIES,
  ALLOWS_NULL_KEYS(ALLOWS_NULL_KEY_QUERIES),
  /**
   * The map does not throw {@code NullPointerException} on calls such as {@code
   * containsValue(null)}, {@code values().contains(null)} or {@code values().remove(null)}.
   */
  ALLOWS_NULL_VALUE_QUERIES,

        currentPageNumber = getDefaultCurrentPageNumber();

        id = null;
        name = null;
        target = null;
        cronExpression = null;
        scriptType = null;
        crawler = null;
        jobLogging = null;
        available = null;
        sortOrder = null;
        createdBy = null;
        createdTime = null;
        versionNo = null;

    }

    protected int getDefaultCurrentPageNumber() {