class RatingBox extends AbstractFullBox {
    public static final String TYPE = "rtng";

    private String ratingEntity;
    private String ratingCriteria;
    private String language;
    private String ratingInfo;

    public RatingBox() {
        super(TYPE);
    }

    public String getLanguage() {
        return language;
    }

    public void setLanguage(String language) {
        this.language = language;
    }

    /**
     * Gets a four-character code that indicates the rating entity grading the asset, e.g., 'BBFC'. The values of this
     * field should follow common names of worldwide movie rating systems, such as those mentioned in
     * [http://www.movie-ratings.net/, October 2002].
     *
     * @return the rating organization
     */
    public String getRatingEntity() {
        return ratingEntity;
    }

    public void setRatingEntity(String ratingEntity) {
        this.ratingEntity = ratingEntity;
    }

    /**
     * Gets the four-character code that indicates which rating criteria are being used for the corresponding rating
     * entity, e.g., 'PG13'.
     *
     * @return the actual rating
     */
    public String getRatingCriteria() {
        return ratingCriteria;
    }

    public void setRatingCriteria(String ratingCriteria) {
        this.ratingCriteria = ratingCriteria;
    }

    public String getRatingInfo() {
        return ratingInfo;
    }

    public void setRatingInfo(String ratingInfo) {
        this.ratingInfo = ratingInfo;
    }

    protected long getContentSize() {
        return 15 + Utf8.utf8StringLengthInBytes(ratingInfo);
    }

    @Override
    public void _parseDetails(ByteBuffer content) {<FILL_FUNCTION_BODY>}

    @Override
    protected void getContent(ByteBuffer byteBuffer) {
        writeVersionAndFlags(byteBuffer);
        byteBuffer.put(IsoFile.fourCCtoBytes(ratingEntity));
        byteBuffer.put(IsoFile.fourCCtoBytes(ratingCriteria));
        IsoTypeWriter.writeIso639(byteBuffer, language);
        byteBuffer.put(Utf8.convert(ratingInfo));
        byteBuffer.put((byte) 0);
    }

    public String toString() {
        StringBuilder buffer = new StringBuilder();
        buffer.append("RatingBox[language=").append(getLanguage());
        buffer.append("ratingEntity=").append(getRatingEntity());
        buffer.append(";ratingCriteria=").append(getRatingCriteria());
        buffer.append(";language=").append(getLanguage());
        buffer.append(";ratingInfo=").append(getRatingInfo());
        buffer.append("]");
        return buffer.toString();
    }
}

        parseVersionAndFlags(content);
        ratingEntity = IsoTypeReader.read4cc(content);
        ratingCriteria = IsoTypeReader.read4cc(content);
        language = IsoTypeReader.readIso639(content);
        ratingInfo = IsoTypeReader.readString(content);

    
<methods>public int getFlags() ,public int getVersion() ,public void setFlags(int) ,public void setVersion(int) <variables>protected int flags,protected int version