public <T> void set(final String name, final T value) throws UnhandledTypeException {
    Class<Data<?>> clazz = TypeSystem.getTypeSystem().lookupDataClass(value);
    try {
        Constructor[] consts = clazz.getDeclaredConstructors();
        for (Constructor constructor : consts)
            System.out.println(constructor);
        Constructor constructor = clazz.getConstructor(value.getClass());
        values.put(name, (Data) constructor.newInstance(value));
    } catch (NoSuchMethodException | SecurityException | InstantiationException | IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
        throw new UnhandledTypeException("Unhandled Data type: There is no corresponding Data type for the class " + value.getClass().getSimpleName());
    }
}

// Console Output:
// public ninja.genuine.conjure.data.primitive.DataDouble()
// public ninja.genuine.conjure.data.primitive.DataDouble(double)
// ninja.genuine.conjure.UnhandledTypeException: Unhandled Data type: There is no corresponding Data type for the class Double