public static int[] getIntArray(FbxElement el) {
        if (el.propertiesTypes[0] == 'i') {
            // FBX 7.x
            return (int[]) el.properties.get(0);
        } else if (el.propertiesTypes[0] == 'I') {
            // FBX 6.x
            int[] ints = new int[el.propertiesTypes.length];
            for (int i = 0; i < ints.length; i++) {
                ints[i] = (Integer) el.properties.get(i);
            }
            return ints;
        } else {
            return null;
        }
    }
A private constructor to inhibit instantiation of this class.
jme3-plugins/src/fbx/java/com/jme3/scene/plugins/fbx/mesh/FbxMeshUtil.java