package net.sf.cram.encoding;
import java.io.InputStream;
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;
public class ExternalIntegerEncoding implements Encoding<Integer> {
public static final EncodingID encodingId = EncodingID.EXTERNAL ;
public int contentId = -1 ;
public ExternalIntegerEncoding() {
}
public static EncodingParams toParam(int contentId) {
ExternalIntegerEncoding e = new ExternalIntegerEncoding() ;
e.contentId = contentId ;
return new EncodingParams(encodingId, e.toByteArray()) ;
}
public byte[] toByteArray() {
return ByteBufferUtils.writeUnsignedITF8(contentId) ;
}
public void fromByteArray(byte[] data) {
contentId = ByteBufferUtils.readUnsignedITF8(data) ;
}
@Override
public BitCodec<Integer> buildCodec(Map<Integer, InputStream> inputMap,
Map<Integer, ExposedByteArrayOutputStream> outputMap) {
InputStream is = inputMap == null ? null : inputMap.get(contentId) ;
ExposedByteArrayOutputStream os = outputMap == null ? null : outputMap.get(contentId) ;
return (BitCodec) new ExternalIntegerCodec(os, is);
}
@Override
public EncodingID id() {
return encodingId;
}
}