OmaDrmContentObjectBox.java

/*  
 * 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 com.coremedia.iso.boxes.odf;

import com.coremedia.iso.BoxParser;
import com.coremedia.iso.IsoBufferWrapper;
import com.coremedia.iso.IsoFile;
import com.coremedia.iso.IsoOutputStream;
import com.coremedia.iso.boxes.AbstractFullBox;
import com.coremedia.iso.boxes.Box;

import java.io.ByteArrayOutputStream;
import java.io.IOException;

public class OmaDrmContentObjectBox extends AbstractFullBox {
    private long omaDrmDataLength;
    private byte[] omaDrmData;
    public static final String TYPE = "odda";

    public byte[] getHeader() {
        try {
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            IsoOutputStream ios = new IsoOutputStream(baos);
            ios.writeUInt32(1);
            ios.write(getType());
            ios.writeUInt64(getSize());
            ios.writeUInt8(getVersion());
            ios.writeUInt24(getFlags());

            assert baos.size() == getHeaderSize();
            return baos.toByteArray();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }

    protected long getHeaderSize() {
        return 20;
    }

    public OmaDrmContentObjectBox() {
        super(IsoFile.fourCCtoBytes(TYPE));
    }

    public long getOmaDrmDataLength() {
        return omaDrmDataLength;
    }

    public byte[] getOmaDrmData() {
        return omaDrmData;
    }

    protected long getContentSize() {
        return 8 + omaDrmDataLength;
    }

    public void parse(IsoBufferWrapper in, long size, BoxParser boxParser, Box lastMovieFragmentBox) throws IOException {
        super.parse(in, size, boxParser, lastMovieFragmentBox);
        omaDrmDataLength = in.readUInt64();
        omaDrmData = in.read((int) omaDrmDataLength);
        assert size == 12 + omaDrmDataLength;
    }

    protected void getContent(IsoOutputStream os) throws IOException {
        os.writeUInt64(omaDrmDataLength);
        os.write(omaDrmData);
    }

    public String toString() {
        return "OmaDrmContentObjectBox[omaDrmDataLength=" + getOmaDrmDataLength() + "]";
    }
}