Method getNativeSize

src/com/sun/jna/Native.java:1459–1481

@param type The Java class for which the native size is to be determined @param value an instance of said class (if available) @return the native size of the given class, in bytes. For use with arrays.

(Class<?> type, Object value)

     * For use with arrays.
     */
    public static int getNativeSize(Class<?> type, Object value) {
        if (type.isArray()) {
            int len = Array.getLength(value);
            if (len > 0) {
                Object o = Array.get(value, 0);
                return len * getNativeSize(type.getComponentType(), o);
            }
            // Don't process zero-length arrays
            throw new IllegalArgumentException("Arrays of length zero not allowed: " + type);
        }
        if (Structure.class.isAssignableFrom(type)
            && !Structure.ByReference.class.isAssignableFrom(type)) {
            return Structure.size((Class<Structure>) type, (Structure)value);
        }
        try {
            return getNativeSize(type);
        }
        catch(IllegalArgumentException e) {
            throw new IllegalArgumentException("The type \"" + type.getName()
                                               + "\" is not supported: "
                                               + e.getMessage());
        }
    }

    /**
     * Returns the native size for a given Java class.  Structures are