code: public GeoPackageDataType getDataType(String type) {
  
  		GeoPackageDataType dataType = null;
  
  		try {
  			dataType = GeoPackageDataType.fromName(type);
  		} catch (IllegalArgumentException dataTypeException) {
  			try {
  				// Check if a geometry and convert to a blob
  				GeometryType.fromName(type);
  				dataType = GeoPackageDataType.BLOB;
  			} catch (IllegalArgumentException geometryException) {
  				throw new GeoPackageException("Unsupported column data type "
  						+ type, dataTypeException);
  			}
  		}
  
  		return dataType;
  	}
docs: Get the data type of the string type.
  
  Geometries are converted to blobs
  
  @param type
  data type string
  @return data type
  @since 3.0.1