How to use

ByteWriter

in

mil.nga.sf.util

ByteWriter writer = new ByteWriter();
writer.writeString(GeoPackageConstants.GEO_PACKAGE_GEOMETRY_MAGIC_NUMBER);
writer.writeByte(GeoPackageConstants.GEO_PACKAGE_GEOMETRY_VERSION_1);
writer.writeByte(flags);
writer.setByteOrder(byteOrder);
writer.writeInt(srsId);
wkbGeometryIndex = writer.size();
bytes = writer.getBytes();
writer.close();

/**
 * Write the envelope bytes
 * 
 * @param writer
 *            byte writer
 * @throws IOException
 */
private void writeEnvelope(ByteWriter writer) throws IOException {
  if (envelope != null) {
    // Write x and y values
    writer.writeDouble(envelope.getMinX());
    writer.writeDouble(envelope.getMaxX());
    writer.writeDouble(envelope.getMinY());
    writer.writeDouble(envelope.getMaxY());
    // Write z values
    if (envelope.hasZ()) {
      writer.writeDouble(envelope.getMinZ());
      writer.writeDouble(envelope.getMaxZ());
    }
    // Write m values
    if (envelope.hasM()) {
      writer.writeDouble(envelope.getMinM());
      writer.writeDouble(envelope.getMaxM());
    }
  }
}