Merge "Check FontFamily null before adding it." into sc-dev

            throw new IllegalArgumentException("customizationType must be specified");

        }

        if (customizationType.equals("new-named-family")) {

            out.add(FontListParser.readFamily(parser, fontDir, updatableFontMap, false));

            FontFamily fontFamily = FontListParser.readFamily(

                    parser, fontDir, updatableFontMap, false);

            if (fontFamily != null) {

                out.add(fontFamily);

            }

        } else {

            throw new IllegalArgumentException("Unknown customizationType=" + customizationType);

        }