Hi folks,

Here short and byte types is processed with your real type.
https://github.com/apache/incubator-johnzon/blob/master/johnzon-mapper/src/main/java/org/apache/johnzon/mapper/Mapper.java#L89

private static JsonGenerator writePrimitives(final JsonGenerator
generator, final Object value) {
        if (value == null) {
            return null; // fake a write
        }

        final Class<?> type = value.getClass();
        if (type == String.class) {
            return generator.write(value.toString());
        } else if (type == long.class || type == Long.class) {
            return generator.write(Long.class.cast(value).longValue());
        } else if (type == int.class || type == Integer.class) {
            return generator.write(Integer.class.cast(value).intValue());
        } else if (type == double.class || type == Double.class
                || type == float.class || type == Float.class) {
            return generator.write(Number.class.cast(value).doubleValue());
        } else if (type == boolean.class || type == Boolean.class) {
            return generator.write(Boolean.class.cast(value).booleanValue());
        } else if (type == BigDecimal.class) {
            return generator.write(BigDecimal.class.cast(value));
        } else if (type == BigInteger.class) {
            return generator.write(BigInteger.class.cast(value));
        } else if (type == short.class || type == Short.class) {
            return generator.write(Short.class.cast(value).shortValue());
        } else if (type == char.class || type == Character.class) {
            return generator.write(Character.class.cast(value).toString());
        } else if (type == byte.class || type == Byte.class) {
            return generator.write(Byte.class.cast(value).byteValue());
        }
        return null;
    }

and here is processed with Number:
https://github.com/apache/incubator-johnzon/blob/master/johnzon-mapper/src/main/java/org/apache/johnzon/mapper/Mapper.java#L120

 if (type == String.class) {
            return generator.write(key, value.toString());
        } else if (type == long.class || type == Long.class) {
            return generator.write(key, Long.class.cast(value).longValue());
        } else if (type == int.class || type == Integer.class
                    || type == byte.class || type == Byte.class
                    || type == short.class || type == Short.class) {
            return generator.write(key, Number.class.cast(value).intValue());
        } else if (type == double.class || type == Double.class
                || type == float.class || type == Float.class) {
            return generator.write(key, Number.class.cast(value).doubleValue());
        } else if (type == boolean.class || type == Boolean.class) {
            return generator.write(key,
Boolean.class.cast(value).booleanValue());
        } else if (type == BigDecimal.class) {
            return generator.write(key, BigDecimal.class.cast(value));
        } else if (type == BigInteger.class) {
            return generator.write(key, BigInteger.class.cast(value));
        } else if (type == char.class || type == Character.class) {
            return generator.write(key, Character.class.cast(value).toString());
        }
        return generator;

Why!?
It seem duplicate codes.
​
-- 
Daniel Cunha (soro) <http://www.cejug.net>
Blog: http://www.danielsoro.com.br
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