private void requirements()

in core/src/main/java/org/apache/jsieve/SieveValidationVisitor.java [173:194]

• 20 lines of code
• 6 McCabe index (conditional complexity)

    private void requirements(ASTstring node) throws SieveException {
        final Object value = node.getValue();
        if (value != null && value instanceof String) {
            final String name = (String) value;
            if (name.startsWith(COMPARATOR_PREFIX)) {
                final String comparatorName = name.substring(COMPARATOR_PREFIX_LENGTH);
                if (comparatorManager.isSupported(comparatorName)) {
                    declaredComparators.add(comparatorName);
                } else {
//                  TODO: Replace with more finely grained exception
                    throw new SieveException("Comparator " + comparatorName + " is not supported");
                }
            } else {
                try {
                    commandManager.getCommand(name);
                } catch (LookupException e) {
                    // TODO: catching is inefficient, should just check
                    testManager.getTest(name);
                }
            }
        }
    }