visualization/visualization-api/src/main/java/se/jguru/nazgul/tools/visualization/api/factory/AbstractGraphConverter.java
@Override
    public final Graph convert(final From toConvert) {

        // Handle nulls
        if (toConvert == null && !acceptsNullValues()) {
            throw new IllegalArgumentException("Converter ["
                    + getClass().getName() + "] cannot accept null 'toConvert' arguments.");
        }

        // All Done
        return doConvert(toConvert);
    }
@Override
    public final Graph convert(final From toConvert) {

        // Handle nulls
        if (toConvert == null && !acceptsNullValues()) {
            throw new IllegalArgumentException("Converter ["
                    + getClass().getName() + "] cannot accept null 'toConvert' arguments.");
        }

        // All Done
        return doConvert(toConvert);
    }
{@inheritDoc}