private Argument retrieveArgumentIfExists()

in core/src/main/java/org/apache/jsieve/utils/ArgumentParser.java [157:167]

• 11 lines of code
• 3 McCabe index (conditional complexity)

    private Argument retrieveArgumentIfExists(String tag, String exceptionMessage) throws SyntaxException {
        Argument argument = tagsWithValues.get(tag);
        if (argument == null) {
            if (singleTags.contains(tag)) {
                throw new SyntaxException(exceptionMessage);
            } else {
                return null;
            }
        }
        return argument;
    }