Package net.sf.cram.encoding

Source Code of net.sf.cram.encoding.UnaryIntegerEncoding

package net.sf.cram.encoding;

import java.io.InputStream;
import java.nio.ByteBuffer;
import java.util.Map;


import net.sf.cram.EncodingID;
import net.sf.cram.EncodingParams;
import net.sf.cram.io.ByteBufferUtils;
import net.sf.cram.io.ExposedByteArrayOutputStream;

@Deprecated
public class UnaryIntegerEncoding implements Encoding<Integer> {
  public static final EncodingID ENCODING_ID = null;
  private int offset;
  private boolean stopBit;

  public UnaryIntegerEncoding() {
  }

  @Override
  public EncodingID id() {
    return ENCODING_ID;
  }

  public static EncodingParams toParam(int offset, boolean stopBit) {
    UnaryIntegerEncoding e = new UnaryIntegerEncoding();
    e.offset = offset ;
    e.stopBit = stopBit ;
    return new EncodingParams(ENCODING_ID, e.toByteArray());
  }

  @Override
  public byte[] toByteArray() {
    ByteBuffer buf = ByteBuffer.allocate(10);
    ByteBufferUtils.writeUnsignedITF8(offset, buf);
    buf.put((byte) (stopBit ? 1 : 0));
    buf.flip();
    byte[] array = new byte[buf.limit()];
    buf.get(array);
    return array;
  }

  @Override
  public void fromByteArray(byte[] data) {
    ByteBuffer buf = ByteBuffer.wrap(data);
    offset = ByteBufferUtils.readUnsignedITF8(buf);
    stopBit = buf.get() == 1;
  }

  @Override
  public BitCodec<Integer> buildCodec(Map<Integer, InputStream> inputMap,
      Map<Integer, ExposedByteArrayOutputStream> outputMap) {
    return new UnaryIntegerCodec();
  }

}
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