package org.jaudiotagger.audio.ogg.util;

 import org.jaudiotagger.audio.generic.Utils;

 import java.util.logging.Logger;

 /**

  * Vorbis Setup header

  * <p/>

  * We dont need to decode a vorbis setup header for metatagging, but we should be able to identify

  * it.

  *

  * @author Paul Taylor

  * @version 12th August 2007

  */

 public class VorbisSetupHeader implements VorbisHeader

 {

     // Logger Object

     public static Logger logger = Logger.getLogger("org.jaudiotagger.audio.ogg.atom");

     private boolean isValid = false;

     public VorbisSetupHeader(byte[] vorbisData)

     {

         decodeHeader(vorbisData);

     }

     public boolean isValid()

     {

         return isValid;

     }

     public void decodeHeader(byte[] b)

     {

         int packetType = b[FIELD_PACKET_TYPE_POS];

         logger.fine("packetType" + packetType);

         String vorbis = Utils.getString(b, FIELD_CAPTURE_PATTERN_POS, FIELD_CAPTURE_PATTERN_LENGTH, "ISO-8859-1");

         if (packetType == VorbisPacketType.SETUP_HEADER.getType() && vorbis.equals(CAPTURE_PATTERN))

         {

             isValid = true;

         }

     }

 }