EffectType (@NotNull Attributes attributes) { String strikeThrough = attributes.getValue(STRIKETHROUGH_ATTR); if (Boolean.parseBoolean(strikeThrough)) { return EffectType.STRIKEOUT; } String underline = attributes.getValue(UNDERLINE_ATTR); if (Boolean.parseBoolean(underline)) { return EffectType.LINE_UNDERSCORE; } return null; }