} // -- boolean getBooleanValue( String, String, XmlPullParser )

    /**
     * Method getBooleanValue.
     *
     * @param s a s object.
     * @param defaultValue a defaultValue object.
     * @param parser a parser object.
     * @param attribute a attribute object.
     * @throws XmlPullParserException XmlPullParserException if
     * any.
     * @return boolean