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A generic parser and writer for all ISO 14496 based files (MP4, Quicktime, DCF, PDCF, ...)

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/*  
 * Copyright 2008 CoreMedia AG, Hamburg
 *
 * Licensed under the Apache License, Version 2.0 (the License); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at 
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0 
 * 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an AS IS BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and 
 * limitations under the License. 
 */

package org.mp4parser.boxes.threegpp.ts26244;

import org.mp4parser.boxes.iso14496.part12.UserDataBox;
import org.mp4parser.support.AbstractFullBox;
import org.mp4parser.tools.IsoTypeReader;
import org.mp4parser.tools.IsoTypeWriter;
import org.mp4parser.tools.Utf8;

import java.nio.ByteBuffer;

/**
 * 4cc = "{@value #TYPE}"
 * Containing genre information and contained in the UserDataBox.
 *
 * @see UserDataBox
 */
public class GenreBox extends AbstractFullBox {
    public static final String TYPE = "gnre";

    private String language;
    private String genre;

    public GenreBox() {
        super(TYPE);
    }

    public String getLanguage() {
        return language;
    }

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

    public String getGenre() {
        return genre;
    }

    public void setGenre(String genre) {
        this.genre = genre;
    }

    protected long getContentSize() {
        return 7 + Utf8.utf8StringLengthInBytes(genre);
    }

    @Override
    public void _parseDetails(ByteBuffer content) {
        parseVersionAndFlags(content);
        language = IsoTypeReader.readIso639(content);
        genre = IsoTypeReader.readString(content);
    }

    @Override
    protected void getContent(ByteBuffer byteBuffer) {
        writeVersionAndFlags(byteBuffer);
        IsoTypeWriter.writeIso639(byteBuffer, language);
        byteBuffer.put(Utf8.convert(genre));
        byteBuffer.put((byte) 0);
    }

    public String toString() {
        return "GenreBox[language=" + getLanguage() + ";genre=" + getGenre() + "]";
    }

}